{ "name": "Transformer manufacturers, by MVA, kV and plant", "url": "https://transformervendors.com/", "license": "CC BY 4.0", "cite": "Transformer Vendors, https://transformervendors.com/", "updated": "2026-11-11", "fields": [ { "key": "segment", "label": "Segment", "type": "enum", "description": "Power when the maker publishes power, GSU, HVDC, autotransformer or reactor products or a rating above 20 MVA; Distribution when it publishes distribution, pad-mount, pole-mount, network or dry-type products; both when it publishes each. Derived from Transformer types and Largest rating.", "filterable": true, "sortable": true, "enumValues": [ "Power and distribution", "Power", "Distribution" ] }, { "key": "transformer_types", "label": "Transformer types", "type": "string", "description": "Product types the maker lists, separated by semicolons: power, GSU, autotransformer, HVDC, shunt reactor, substation, distribution, pad-mount, pole-mount, network, dry-type (cast resin, VPI), mobile, rectifier/industrial, renewable and data center lines.", "filterable": false, "sortable": false }, { "key": "max_mva", "label": "Largest rating", "type": "number", "unit": "MVA", "description": "Largest verified published rating in the cited product or regional scope, in MVA. Product range identifies base, forced-cooling, phase-shifter throughput or group-history claims; these rating bases are not interchangeable. Planned future ranges are described separately.", "filterable": true, "sortable": true }, { "key": "min_kva", "label": "Smallest rating", "type": "number", "unit": "kVA", "description": "Smallest published rating, in kVA. Shows how far down the distribution range a maker goes.", "filterable": false, "sortable": true }, { "key": "product_range", "label": "Product range", "type": "string", "description": "The kVA/MVA range as the maker states it, by product line.", "filterable": false, "sortable": false }, { "key": "max_kv", "label": "Highest voltage", "type": "number", "unit": "kV", "description": "Highest voltage class the maker publishes or has delivered, in kV (AC system voltage; HVDC noted under Voltage classes).", "filterable": true, "sortable": true }, { "key": "voltage_classes", "label": "Voltage classes", "type": "string", "description": "Voltage classes and BIL as the source states them, by product or plant.", "filterable": false, "sortable": false }, { "key": "plants", "label": "Plants", "type": "string", "description": "Transformer manufacturing locations, city and country. Planned plants carry their target date. Location lists identify verified sites and may not cover every factory in a global group.", "filterable": false, "sortable": false }, { "key": "plant_countries", "label": "Plant countries", "type": "string", "description": "Countries with verified operating transformer manufacturing in the cited scope; not necessarily the complete global footprint. Component and service-only sites do not establish new-unit manufacturing.", "filterable": false, "sortable": true }, { "key": "us_plant", "label": "US plant", "type": "bool", "description": "Yes when an operating US transformer plant is verified; No when the source shows the maker's plants and none is in the US. Empty means not verified.", "filterable": true, "sortable": true }, { "key": "eu_plant", "label": "EU plant", "type": "bool", "description": "Yes when an operating transformer plant in an EU-27 country is verified (the UK, Norway, Switzerland and Turkey do not count). Empty means not verified.", "filterable": true, "sortable": true }, { "key": "capacity_expansion", "label": "Capacity expansion", "type": "string", "description": "Announced transformer capacity expansions: amount in the original currency, place, announcement date, target date and output change. US and EU projects first.", "filterable": false, "sortable": false }, { "key": "expansion_musd", "label": "Largest US/EU expansion", "type": "number", "unit": "$M", "description": "Largest single announced US or EU transformer capacity investment, in US$ millions, where the source states a dollar amount. Euro amounts stay in Capacity expansion unconverted.", "filterable": true, "sortable": true }, { "key": "expansion_region", "label": "Expansion region", "type": "enum", "description": "Where the announced capacity expansions are: US, EU, both, or only elsewhere (Other).", "filterable": true, "sortable": true, "enumValues": [ "US", "EU", "US and EU", "Other" ] }, { "key": "certifications", "label": "Certifications and standards", "type": "string", "description": "Quality certifications, listings and design standards the source names (ISO 9001, IEEE C57, IEC 60076, EU Ecodesign Tier 2, utility approvals).", "filterable": false, "sortable": false }, { "key": "data_center_offer", "label": "Data center offer", "type": "bool", "description": "Yes when the maker markets transformers for data centers or has disclosed a data center transformer order. Empty means not found.", "filterable": true, "sortable": true }, { "key": "data_center_product", "label": "Data center product or order", "type": "string", "description": "The named data center line, or the disclosed order with value and date.", "filterable": false, "sortable": false }, { "key": "parent", "label": "Parent or owner", "type": "string", "description": "Parent company or owner where the source states one.", "filterable": false, "sortable": false }, { "key": "hq_country", "label": "HQ country", "type": "string", "description": "Country of the maker's headquarters.", "filterable": false, "sortable": true }, { "key": "hq_region", "label": "HQ region", "type": "enum", "description": "Region of the maker's headquarters.", "filterable": true, "sortable": true, "enumValues": [ "North America", "Europe", "Asia-Pacific", "Middle East and Africa", "Latin America" ] }, { "key": "legacy_brands", "label": "Legacy brands and names", "type": "string", "description": "Sourced former names and acquired transformer businesses, retained on the current maker row to avoid duplicate supplier counts.", "filterable": false, "sortable": false } ], "records": [ { "id": "acme-electric", "name": "Acme Electric", "url": "https://www.hubbell.com/acmeelectric/en", "summary": "Hubbell transformer brand producing dry-type distribution transformers and custom magnetics. Its critical power offering includes PDU transformers for data centers.", "tags": [ "Distribution", "Data center" ], "fields": { "segment": "Distribution", "transformer_types": "distribution; dry-type; PDU; drive isolation; control", "product_range": "Low- and medium-voltage dry-type distribution transformers; custom magnetics and PDU transformers", "certifications": "UL 1561 and CSA C22.2 No. 47 on T3112K0034B distribution transformer", "parent": "Hubbell Incorporated", "data_center_offer": true, "data_center_product": "Dry-type nonlinear isolation PDU transformers for data centers" }, "sources": [ { "url": "https://www.hubbell.com/acmeelectric/en", "title": "Acme Electric: manufactured products and applications", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "product_range" ] }, { "url": "https://hubbellcdn.com/specsheet/ACME_CA-T3112K0034B-SPEC-EN.pdf", "title": "Acme Electric: March 2026 distribution transformer specification", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "certifications", "parent" ] }, { "url": "https://www.hubbell.com/acmeelectric/en/solutions/critical-power", "title": "Acme Electric: critical power and data center PDU transformers", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "best-transformer", "name": "BEST Transformer", "url": "https://www.besttransformer.com/en", "summary": "Turkish manufacturer at Balıkesir with power transformer capability up to 1,250 MVA and 765 kV, including generator, auto, railway and mobile designs.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; GSU; autotransformer; railway; mobile; distribution; dry-type", "max_mva": 1250, "max_kv": 765, "product_range": "Power and generator transformers up to 1,250 MVA; mobile up to 100 MVA; oil distribution and dry-type lines", "voltage_classes": "Power and generator transformers up to 765 kV; mobile up to 245 kV", "plants": "Balıkesir OSB and Balıkesir ASB, Türkiye", "plant_countries": "Türkiye" }, "sources": [ { "url": "https://www.besttransformer.com/en/products/power-transformers", "title": "BEST: power transformer product ranges", "accessed": "2026-11-11", "fields": [ "transformer_types", "max_mva", "max_kv", "voltage_classes", "product_range" ] }, { "url": "https://besttransformer.com/en", "title": "BEST: oil distribution and dry-type products", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "product_range" ] }, { "url": "https://www.besttransformer.com/en/contact/", "title": "BEST: factory addresses", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "bharat-bijlee", "name": "Bharat Bijlee", "url": "https://www.bharatbijlee.com/transformers/overview/", "summary": "Indian manufacturer of power transformers up to 200 MVA and 220 kV, with a published factory capacity of 18,000 MVA per year.", "tags": [ "Power" ], "fields": { "segment": "Power", "transformer_types": "power", "max_mva": 200, "max_kv": 220, "product_range": "Power transformers up to 200 MVA; factory capacity 18,000 MVA/year", "voltage_classes": "Power transformers through 220 kV" }, "sources": [ { "url": "https://www.bharatbijlee.com/transformers/overview/", "title": "Bharat Bijlee: transformer range and factory capacity", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "bhel", "name": "BHEL", "url": "https://www.bhel.com/", "summary": "Indian state-owned engineering group that builds EHV, HVDC and 1,200 kV UHV transformers and reactors at Bhopal, Jhansi and Hyderabad, including India's first 1,200 kV, 333 MVA autotransformer.", "hq": "IN", "founded": 1964, "tags": [ "GSU", "HVDC", "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; autotransformer; HVDC; shunt reactor; phase-shifting; dry-type; furnace; rectifier/industrial", "max_mva": 1000, "product_range": "Generator transformers: up to 600 MVA, 420 kV three-phase; 400 MVA, 765 kV single-phase. Autotransformers: up to 1,000 MVA, 1,200 kV single-phase. Dry-type up to 15 MVA, 36 kV.", "max_kv": 1200, "voltage_classes": "EHV, HVDC and UHV AC to 1,200 kV", "plants": "Bhopal, Madhya Pradesh, India (12,000 MVA EHV/HVDC/UHV plant); Jhansi, Uttar Pradesh, India; Hyderabad, Telangana, India", "plant_countries": "India", "hq_country": "India", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.bhel.com/sites/default/files/product%20profile%2010-04-2023.pdf", "title": "BHEL: Product profile", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.bhel.com/bhel-developed-indias-first-ultra-high-voltage-ac-1200-kv-transformer-successfully-commissioned", "title": "BHEL: India's first 1200 kV UHV AC transformer commissioned", "accessed": "2026-11-11", "fields": [ "max_kv", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "central-moloney", "name": "Central Moloney", "url": "https://www.centralmoloney.com/", "summary": "Arkansas maker of utility distribution transformers: single-phase pole-mount, single- and three-phase pad-mount and submersible units, from Pine Bluff and two newer plants in Northwest Florida.", "hq": "US", "tags": [ "Pad-mount", "Pole-mount", "Distribution", "US plant", "US expansion" ], "fields": { "transformer_types": "distribution; pole-mount; pad-mount; submersible", "plants": "Pine Bluff, Arkansas, United States; Panama City (Bay County), Florida, United States; Crestview (Okaloosa County), Florida, United States", "plant_countries": "United States", "us_plant": true, "capacity_expansion": "Two Northwest Florida plants, $75M and 550 jobs in total: Panama City (140,000 sq ft, single-phase pole-mount, announced 2022-01) and Crestview (302,000 sq ft pad-mount plant, announced 2023-07, $50M to build and equip, 350 jobs)", "expansion_musd": 50, "expansion_region": "US", "hq_country": "United States", "hq_region": "North America", "segment": "Distribution" }, "sources": [ { "url": "https://www.floridatrend.com/article/39368/central-moloney-transforming-floridas-northwest/", "title": "Florida Trend: Central Moloney transforming Florida's Northwest", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plants", "segment", "transformer_types" ] }, { "url": "https://www.tradeandindustrydev.com/region/florida/news/fl-central-moloney-inc-creates-550-jobs-2-new-32160", "title": "Trade & Industry Development: Central Moloney creates 550 jobs with 2 new Florida locations", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "hq_country", "hq_region", "plant_countries", "plants", "transformer_types", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "cg-power", "name": "CG Power (formerly Crompton Greaves)", "url": "https://www.cgglobal.com/", "summary": "Indian maker of power transformers from 220 kV to 765 kV and distribution transformers, built in Madhya Pradesh, where it is adding a 45,000 MVA greenfield plant.", "hq": "IN", "tags": [ "Power", "Distribution" ], "fields": { "transformer_types": "power; distribution", "max_kv": 765, "voltage_classes": "power transformers 220-765 kV (greenfield plant scope)", "plants": "Mandideep (Bhopal), Madhya Pradesh, India (power transformers); Malanpur (Gwalior), Madhya Pradesh, India (distribution transformers); Sehore, Madhya Pradesh, India (greenfield, 45,000 MVA)", "plant_countries": "India", "capacity_expansion": "Rs 712 crore greenfield power transformer plant (45,000 MVA/yr, 220-765 kV), board approval 2025-01-28, total 85,000 MVA/yr planned; Mandideep raised to 40,000 MVA/yr; Malanpur distribution 6,900 to 9,900 MVA/yr", "expansion_region": "Other", "hq_country": "India", "hq_region": "Asia-Pacific", "segment": "Power and distribution", "parent": "Tube Investments of India (Murugappa Group); formerly named Crompton Greaves Limited", "legacy_brands": "Formerly Crompton Greaves Limited; renamed CG Power and Industrial Solutions in 2017 after the consumer-products demerger. Became a Tube Investments subsidiary in November 2020." }, "sources": [ { "url": "https://www.tndindia.com/cg-plans-greenfield-power-transformer-facility-rs-700-crore-capex-approved/amp/", "title": "T&D India: CG plans greenfield power transformer facility", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "max_kv", "plant_countries", "plants", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://machinist.in/2025/12/cg-commissions-800-kv-uhv-manufacturing-shop-to-expand-transmission-equipment-capacity/", "title": "The Machinist: CG commissions 800 kV UHV manufacturing shop", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plants" ] }, { "url": "https://tiindia.com/cg-power-and-industrial-solutions/", "title": "Tube Investments: CG Power history, former Crompton Greaves name and ownership", "accessed": "2026-11-11", "fields": [ "legacy_brands", "parent" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "china-xd-electric", "name": "China XD Electric", "url": "https://en.xdect.com.cn/", "summary": "Xi'an-based state-owned maker of AC transformers from 6.8 kV to 1,100 kV and DC converter transformers up to ±1,100 kV, with transformer plants in Xi'an, Changzhou and Jinan.", "hq": "CN", "founded": 2008, "tags": [ "GSU", "HVDC", "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; HVDC; shunt reactor; distribution; dry-type; amorphous alloy; traction; rectifier/industrial; furnace; test transformers", "product_range": "AC 6.8-1,100 kV series; DC converter transformers ±110 to ±1,100 kV; test transformers 6.8-2,000 kV (no MVA range published)", "max_kv": 1100, "voltage_classes": "AC 6.8 kV to 1,100 kV; DC ±110 kV to ±1,100 kV", "plants": "Xi'an, China (Xi'an XD Transformer); Changzhou, China (Changzhou XD Transformer); Jinan, China (XD Jinan Transformer)", "plant_countries": "China", "certifications": "ISO 9001", "parent": "China Electrical Equipment Group", "hq_country": "China", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://en.xd.com.cn/Core_business/Equipment_manufacture/Main_products.htm", "title": "China XD Group: Main products", "accessed": "2026-11-11", "fields": [ "max_kv", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://en.xdect.com.cn/About_us1/About_us1.htm", "title": "China XD Electric: About us", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region" ] }, { "url": "https://static.cninfo.com.cn/finalpage/2026-04-11/1225094836.PDF", "title": "China XD Electric: 2025 ESG report (SSE 601179, Apr 2026)", "accessed": "2026-11-11", "fields": [ "certifications", "parent", "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "daihen", "name": "DAIHEN", "url": "https://www.daihen.co.jp/en/products/electric/", "summary": "Japanese maker of large power, gas-insulated, mobile and industrial transformers, alongside pole-mounted and pad-mounted distribution units. Its tap-changing power range reaches 500 kV.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; gas-insulated; mobile; distribution; cast resin; pole-mount; pad-mount; shunt reactor", "max_kv": 500, "voltage_classes": "On-load and off-load tap-changing transformers up to 500 kV", "plants": "Taki, Mie, Japan (Mie Business Office, Power Transformer Division)", "plant_countries": "Japan" }, "sources": [ { "url": "https://www.daihen.co.jp/en/products/electric/", "title": "DAIHEN: industrial and large power transformers", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_kv", "voltage_classes" ] }, { "url": "https://www.daihen.co.jp/en/products/electric/distribution/", "title": "DAIHEN: utility distribution transformers", "accessed": "2026-11-11", "fields": [ "transformer_types" ] }, { "url": "https://www.daihen.co.jp/en/company/domestic_factory/", "title": "DAIHEN: current domestic factories", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "delta-star", "name": "Delta Star", "url": "https://www.deltastar.com/", "summary": "US maker of power transformers, mobile substations and unitized substations up to 345 kV, built in Lynchburg, Virginia, San Carlos, California and Quebec. A MacLean Power Systems company with a data center line.", "hq": "US", "tags": [ "Power", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; substation; mobile; data center", "max_mva": 200, "product_range": "Power transformers to 200 MVA without LTC (170 MVA with LTC); mobile transformers to 133 MVA; unitized substations 2-100 MVA", "max_kv": 345, "voltage_classes": "high side 15-345 kV; Delta Star North to 315 kV class", "plants": "Lynchburg, Virginia, United States; San Carlos, California, United States; Saint-Jean-sur-Richelieu, Quebec, Canada", "plant_countries": "United States; Canada", "us_plant": true, "capacity_expansion": "Delta Iron Works, an 80,000 sq ft tank fabrication shop on the Lynchburg, Virginia campus, opened 2025", "expansion_region": "US", "data_center_offer": true, "data_center_product": "Power transformers, unitized substations and mobile substations for data centers", "parent": "MacLean Power Systems", "hq_country": "United States", "hq_region": "North America", "segment": "Power" }, "sources": [ { "url": "https://www.deltastar.com/manufacturing-facilities/", "title": "Delta Star: Manufacturing facilities", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "parent", "plant_countries", "plants", "us_plant", "voltage_classes" ] }, { "url": "https://www.deltastar.com/wp-content/uploads/2023/02/DeltaStar-UnitizedSubstations-SpecSheet.pdf", "title": "Delta Star: Unitized substations spec sheet", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "product_range", "segment", "voltage_classes" ] }, { "url": "https://www.deltastar.com/mobile-transformers/", "title": "Delta Star: Mobile transformers", "accessed": "2026-11-11", "fields": [ "product_range", "transformer_types" ] }, { "url": "https://www.deltastar.com/data-centers/", "title": "Delta Star: Data centers", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "parent", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "eaglerise", "name": "Eaglerise", "url": "https://www.eaglerise.com/distribution-transformer/", "summary": "Manufacturer of pole-mounted, pad-mounted, oil-immersed and cast resin distribution transformers. Its Fort Worth, Texas transformer plant opened in October 2025.", "tags": [ "Distribution", "US plant", "US expansion" ], "fields": { "segment": "Distribution", "transformer_types": "distribution; pole-mount; pad-mount; oil-immersed; cast resin; amorphous", "plants": "Fort Worth, Texas, United States (Eaglerise Renewable Energy USA)", "plant_countries": "United States", "us_plant": true, "capacity_expansion": "Fort Worth distribution transformer factory inauguration 22 October 2025, reported by Eaglerise on 23 December 2025", "expansion_region": "US" }, "sources": [ { "url": "https://www.eaglerise.com/distribution-transformer/", "title": "Eaglerise: distribution transformer portfolio", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types" ] }, { "url": "https://www.eaglerise.com/company-news/eaglerises-u.s.-smart-transformer-manufacturing-plant-commences-operations,-a-key-milestone-in-its-quot;made-globally,-sold-globally-quot;-strategy..html", "title": "Eaglerise: US transformer factory commences operations", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries", "us_plant", "capacity_expansion", "expansion_region" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "eaton", "name": "Eaton", "url": "https://www.eaton.com/", "summary": "Builds Cooper Power series liquid-filled pad-mount and substation transformers up to 12 MVA, including a hardened data center line, and is adding a third US three-phase transformer plant in South Carolina.", "hq": "IE", "tags": [ "Pad-mount", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "distribution; pad-mount; substation; data center", "min_kva": 45, "max_mva": 12, "product_range": "Substation transformer base range: 300-12,000 kVA three-phase; 250-5,000 kVA single-phase. Catalog also lists forced-air and dual-temperature ratings through 17,920 kVA; 12 MVA is the base-rating comparison.", "max_kv": 46, "voltage_classes": "Substation primary 2.4-46 kV; secondary 208 V-15 kV (25 kV on special request)", "plants": "two Wisconsin three-phase transformer facilities, United States; Jonesville, South Carolina, United States (planned 2027)", "plant_countries": "United States", "us_plant": true, "capacity_expansion": "$340M three-phase transformer plant in an 861,000 sq ft building, Jonesville (Union County), South Carolina, announced 2025-02-12, production 2027, 700 jobs", "expansion_musd": 340, "expansion_region": "US", "data_center_offer": true, "data_center_product": "Envirotran HDC hardened data center substation transformers, 300-12,000 kVA base; FR3-filled", "hq_country": "Ireland", "hq_region": "Europe", "segment": "Distribution" }, "sources": [ { "url": "https://www.eaton.com/ca/en-gb/catalog/medium-voltage-power-distribution-control-systems/envirotran-critical-load-substation-transformer.html", "title": "Eaton: Envirotran critical load substation transformer", "accessed": "2026-11-11", "fields": [ "min_kva" ] }, { "url": "https://www.businesswire.com/news/home/20250212663224/en/Eaton-invests-in-new-South-Carolina-transformer-manufacturing-site-to-power-data-centers-grid-modernization-electrification-and-industrialization", "title": "Business Wire: Eaton invests in new South Carolina transformer manufacturing site", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plant_countries", "plants", "us_plant" ] }, { "url": "https://www.eaton.com/us/en-us/company/about-us.html", "title": "Eaton: About us", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region" ] }, { "url": "https://www.eaton.com/content/dam/eaton/products/medium-voltage-power-distribution-control-systems/cooper-power-series-transformers/substation-transformers-unit-and-open-types-ca202001en.pdf", "title": "Eaton: February 2025 substation transformer catalog, tables 1-4", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes" ] }, { "url": "https://www.eaton.com/content/dam/eaton/products/medium-voltage-power-distribution-control-systems/cooper-power-series-transformers/functional-specification-for-critical-application-and-envirotran-hdc-substation-distribution-transformers-300-12000-kva-ps202009.pdf", "title": "Eaton: Envirotran HDC substation functional specification", "accessed": "2026-11-11", "fields": [ "data_center_product", "data_center_offer", "segment", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "efacec", "name": "Efacec", "url": "https://www.efacec.com/", "summary": "Portuguese manufacturer of shell-type power transformers up to 1,500 MVA and 525 kV, core-type units to 350 MVA, and fluid-filled distribution transformers from 50 kVA to 25 MVA.", "hq": "PT", "tags": [ "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; shell-type; core-type; distribution; mobile; portable", "product_range": "Shell power transformers up to 1,500 MVA; core up to 350 MVA; oil- or eco-fluid distribution 50 kVA-25 MVA; mobile up to 90 MVA", "parent": "Mutares Group", "hq_country": "Portugal", "hq_region": "Europe", "segment": "Power and distribution", "max_mva": 1500, "max_kv": 525, "min_kva": 50, "voltage_classes": "Shell/core up to 525 kV (1,675 kV BIL); distribution up to 72.5 kV; mobile up to 245 kV" }, "sources": [ { "url": "https://www.tdworld.com/transmission-reliability/article/55366785/spanish-power-grid-operator-picks-efacec-for-large-transformers", "title": "T&D World: Spanish grid operator picks Efacec for large transformers", "accessed": "2026-11-11", "fields": [ "parent" ] }, { "url": "https://www.efacec.com/business/transformers/", "title": "Efacec: current transformer portfolio, ratings and head office", "accessed": "2026-11-11", "fields": [ "transformer_types", "max_mva", "max_kv", "min_kva", "product_range", "voltage_classes", "segment", "hq_country", "hq_region" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "elsco", "name": "ELSCO Transformers", "url": "https://elscotransformers.com/who-we-serve/ohio/cincinnati/", "summary": "Cincinnati manufacturer of medium-voltage dry-type transformers with hand-wound copper coils, also offering oil-filled padmount units and emergency replacements.", "tags": [ "Distribution", "US plant" ], "fields": { "segment": "Distribution", "transformer_types": "distribution; dry-type; oil-filled pad-mount", "min_kva": 500, "max_mva": 2.5, "max_kv": 34.5, "product_range": "Medium-voltage transformers 500-2,500 kVA", "voltage_classes": "Primary voltages 2.4-34.5 kV", "plants": "Cincinnati, Ohio, United States (dry-type winding and assembly)", "plant_countries": "United States", "us_plant": true }, "sources": [ { "url": "https://elscotransformers.com/who-we-serve/ohio/cincinnati/", "title": "ELSCO: Cincinnati manufacturing, products and ratings", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "min_kva", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "elsewedy-electric", "name": "Elsewedy Electric", "url": "https://www.elsewedyelectric.com/", "summary": "Egyptian cables-to-transformers group building power transformers up to 750 MVA and 500 kV at five sites in the Middle East, Africa and Asia, plus oil and cast resin distribution transformers to 15 MVA.", "hq": "EG", "tags": [ "Pad-mount", "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; distribution; pad-mount; substation; dry-type; cast resin", "max_mva": 750, "product_range": "Power transformers up to 750 MVA; oil distribution (incl. pad-mount and unit substation) and cast resin dry-type up to 15 MVA, 36 kV", "max_kv": 500, "voltage_classes": "power to 500 kV; distribution and cast resin to 36 kV", "plants": "10th of Ramadan City, Egypt; Indonesia; Pakistan", "plant_countries": "Egypt; Indonesia; Pakistan", "hq_country": "Egypt", "hq_region": "Middle East and Africa", "segment": "Power and distribution" }, "sources": [ { "url": "https://elsewedyelectric.com/en/page?v=Transformers", "title": "Elsewedy Electric: Transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.elsewedyelectric.com/storage/global-presence-region-catalogues/July2025/MZVT1UKaTha7lbUhUpbN.pdf", "title": "Elsewedy Electric: Transformers catalogue (July 2025)", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "plants", "product_range", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "ermco", "name": "ERMCO", "url": "https://www.ermco-eci.com/", "summary": "Cooperative-owned US maker of oil-filled distribution transformers: single- and three-phase pad-mount and pole-mount units for utilities and co-ops. Its Spire Power Solutions unit adds the Power Partners, Pioneer, Jefferson Electric and V&F brands.", "hq": "US", "founded": 1964, "tags": [ "Pad-mount", "Pole-mount", "Dry-type", "Distribution", "US plant", "US expansion" ], "fields": { "transformer_types": "distribution; pad-mount; pole-mount; dry-type", "product_range": "Three-phase oil-filled padmount range: 30-3,000 kVA; single-phase padmount and polemount products; group dry-type products through Spire", "plants": "Dyersburg, Tennessee, United States; Greeneville, Tennessee, United States (components); Bristol, Wisconsin, United States; Athens, Georgia, United States; Reynosa, Mexico; Maricopa County, Arizona, United States (planned 2027)", "plant_countries": "United States; Mexico", "us_plant": true, "capacity_expansion": "New 566,121 sq ft three-phase transformer plant about 30 miles west of Phoenix, Arizona, production 2027, 541 jobs; added production at Dyersburg, Tennessee and Athens, Georgia; 158,000 sq ft Bristol, Wisconsin facility acquired 2025", "expansion_region": "US", "certifications": "ISO 9001:2015 (Dyersburg, Greeneville, Bristol, Reynosa; DQS); IEEE C57.12.00; ANSI and RUS standards", "parent": "Arkansas Electric Cooperatives, Inc.", "hq_country": "United States", "hq_region": "North America", "segment": "Distribution", "voltage_classes": "Three-phase padmount primary 2.4-35 kV (150 kV BIL), secondary up to 600 V" }, "sources": [ { "url": "https://www.ermco-eci.com/", "title": "ERMCO: Distribution transformers and components", "accessed": "2026-11-11", "fields": [ "certifications", "hq_country", "hq_region", "plants", "segment", "transformer_types" ] }, { "url": "https://ermco-eci.com/about-us/our-history/", "title": "ERMCO: Our history", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plant_countries", "plants", "transformer_types", "us_plant" ] }, { "url": "https://www.cooperative.com/news/Pages/Transformer-Builder-ERMCO-to-Expand-Production-Into-Arizona-in-2027-as-Demand-Rises.aspx", "title": "NRECA: ERMCO to expand production into Arizona in 2027", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "parent" ] }, { "url": "https://www.ermco-eci.com/ermco/three-phase-padmount/", "title": "ERMCO: Three-phase pad-mount", "accessed": "2026-11-11", "fields": [ "certifications", "product_range", "voltage_classes" ] }, { "url": "https://www.ermco-eci.com/ermco-to-open-new-manufacturing-facility-in-maricopa-county/", "title": "ERMCO: Waddell, Arizona factory announcement, 21 January 2026", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "federal-pacific", "name": "Federal Pacific", "url": "https://federalpacific.com/", "summary": "Bristol, Virginia maker of dry-type distribution, PDU and medium-voltage power equipment for utilities, data centers and industry. The brand family of Electro-Mechanical Corporation, founded 1958.", "hq": "US", "founded": 1958, "tags": [ "Dry-type", "Distribution", "US plant", "Data center" ], "fields": { "transformer_types": "distribution; dry-type; data center", "plants": "Bristol, Virginia, United States", "plant_countries": "United States", "us_plant": true, "data_center_offer": true, "data_center_product": "PDU transformers and medium-voltage power equipment for data centers; Bloom Energy AI data center contract (switchgear), announced 2026-05-12", "parent": "Electro-Mechanical Corporation", "hq_country": "United States", "hq_region": "North America", "segment": "Distribution" }, "sources": [ { "url": "https://federalpacific.com/", "title": "Federal Pacific: Medium-voltage distribution and power quality", "accessed": "2026-11-11", "fields": [ "data_center_offer", "hq_country", "hq_region", "parent", "plants", "segment", "transformer_types" ] }, { "url": "https://www.electro-mechanical.com/", "title": "Federal Pacific: PDU transformers", "accessed": "2026-11-11", "fields": [ "data_center_product", "transformer_types" ] }, { "url": "https://www.businesswire.com/news/home/20260512462731/en/", "title": "Business Wire: Federal Pacific awarded Bloom Energy contract", "accessed": "2026-11-11", "fields": [ "data_center_product", "plant_countries", "plants", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "fortune-electric", "name": "Fortune Electric", "url": "https://www.fortune-electric.com.tw/", "summary": "Taiwanese manufacturer of power, distribution, cast resin and amorphous core transformers. Its published generator step-up portfolio includes a 530 kV, 775 MVA model.", "hq": "TW", "founded": 1969, "tags": [ "GSU", "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; distribution; cast resin; amorphous core", "max_mva": 775, "product_range": "Published GSU model 530 kV, 775 MVA; other power, distribution, cast resin and amorphous core transformers", "max_kv": 530, "voltage_classes": "Published model: 530 kV, 775 MVA (equipment voltage; 500 kV system class)", "plants": "Taiwan (three manufacturing locations); China (one manufacturing location)", "plant_countries": "Taiwan; China", "us_plant": false, "hq_country": "Taiwan", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.fortune.com.tw/en/product_list.aspx?Id=23&Type=E", "title": "Fortune Electric: current transformer portfolio and 530 kV, 775 MVA model", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes", "transformer_types", "segment", "hq_country", "hq_region" ] }, { "url": "https://www.tdworld.com/directory/company/21115220/fortune-electric-co-ltd", "title": "Fortune Electric: company-supplied T&D World directory profile", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "fuji-electric", "name": "Fuji Electric", "url": "https://www.fujielectric.com/", "summary": "Japanese electrical maker building oil-immersed, cast-resin and vegetable-oil power transformers up to 1,100 MVA and 800 kV at its Chiba factory, with group company Fuji Tusco in Thailand making units up to 245 kV and 300 MVA.", "hq": "JP", "tags": [ "GSU", "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; shunt reactor; distribution; cast resin; vegetable-oil (natural ester); rectifier/industrial; furnace; test transformers; unit substations", "max_mva": 1100, "product_range": "Line-up up to 1,100 MVA, 800 kV; Fuji Tusco power up to 300 MVA, 245 kV; rectifier and furnace up to 30 MVA", "max_kv": 800, "voltage_classes": "up to 800 kV (Fuji Tusco up to 245 kV)", "plants": "Ichihara (Chiba Factory), Japan; Thailand (Fuji Tusco)", "plant_countries": "Japan; Thailand", "capacity_expansion": "Chiba Factory transformer output to rise from H2 FY2026 after switchgear moves to Kawasaki, lifting transformer and switchgear capacity to 1.5x (announced 2025-05-26; no US/EU transformer plant found)", "expansion_region": "Other", "hq_country": "Japan", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.fujielectric.com/products/transmission_distribution/oil-immersed_transformer/product_series/line-up.html", "title": "Fuji Electric: Oil-immersed transformer line-up", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "plant_countries", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.fujielectric.com/about/news/detail/__icsFiles/afieldfile/2025/05/26/20250526.pdf", "title": "Fuji Electric: reorganizing production and expanding T&D capacity (26 May 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "giga-energy", "name": "Giga Energy", "url": "https://gigaenergy.com/", "summary": "Texas supplier of three-phase pad-mount and substation transformers built for fast delivery to data centers and AI campuses, now producing medium-voltage units at its own Houston factory.", "hq": "US", "tags": [ "Pad-mount", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "distribution; pad-mount; substation; data center", "voltage_classes": "Houston factory: up to 34.5 kV", "max_kv": 34.5, "plants": "Houston, Texas, United States (63,000 sq ft transformer factory)", "plant_countries": "United States", "us_plant": true, "capacity_expansion": "Houston transformer factory: published annual capacity 6 GW (as stated by Giga), 63,000 sq ft, checked 11 November 2026", "expansion_region": "US", "data_center_offer": true, "data_center_product": "Houston factory serves AI hyperscalers, GPU cloud providers and data center operators", "hq_country": "United States", "hq_region": "North America", "segment": "Distribution", "max_mva": 5, "product_range": "Houston transformer factory: units up to 5 MVA and 34.5 kV" }, "sources": [ { "url": "https://www.gigaenergy.com/factories", "title": "Giga Energy: Factories", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "data_center_offer", "data_center_product", "expansion_region", "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "us_plant", "voltage_classes" ] }, { "url": "https://gigaenergy.com/industries/datacenters-hypercomputer-ai", "title": "Giga Energy: Data centers, hypercomputers and AI", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "hammond-power-solutions", "name": "Hammond Power Solutions", "url": "https://americas.hammondpowersolutions.com/", "summary": "Canadian manufacturer of dry-type distribution and power transformers, with a medium-voltage range up to 34 MVA and 46 kV. Its Fort Worth factory is planned to start production in late 2027.", "hq": "CA", "tags": [ "Dry-type", "Power", "Distribution", "Data center", "US expansion" ], "fields": { "transformer_types": "distribution; dry-type; cast resin; VPI; data center", "max_mva": 34, "product_range": "Medium-voltage dry-type catalog: 500 kVA-34 MVA, 1.2-46 kV class; EnduraCoil cast resin 300-3,000 kVA self-cooled, 4,000 kVA forced-air", "max_kv": 46, "voltage_classes": "Medium-voltage dry-type up to 46 kV, 250 kV BIL; cast resin up to 34.5 kV, 150 kV BIL", "plants": "Canada and Mexico (operating manufacturing); Fort Worth, Texas, United States (planned production Q4 2027; full production Q1 2028)", "plant_countries": "Canada; Mexico", "capacity_expansion": "Fort Worth manufacturing lease announced 22 September 2026; approximately CAD50M initial equipment and commissioning investment; staged production Q4 2027, full production Q1 2028; approximately CAD250M initial annual manufacturing capacity (sales value, not MVA)", "expansion_region": "US", "data_center_offer": true, "data_center_product": "Medium-voltage dry-type transformers and PDU-integrated transformers for mission-critical data centers", "hq_country": "Canada", "hq_region": "North America", "segment": "Power and distribution" }, "sources": [ { "url": "https://americas.hammondpowersolutions.com/resources/blog/state-of-the-data-center-boom-2026", "title": "HPS: State of the data center boom 2026", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] }, { "url": "https://documents.hammondpowersolutions.com/documents/Literature/Catalog_and_HPS_Info/HPS-Dry-Type-Medium-Voltage-Catalog.pdf", "title": "HPS: directly read dry-type medium-voltage catalog, page 4", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes", "segment", "transformer_types" ] }, { "url": "https://americas.hammondpowersolutions.com/products/medium-voltage-distribution/cast-resin-up-to-35kv-class", "title": "HPS: EnduraCoil cast resin ratings", "accessed": "2026-11-11", "fields": [ "product_range", "voltage_classes", "transformer_types" ] }, { "url": "https://americas.hammondpowersolutions.com/news/2026/september/hps-increases-north-american-capacity", "title": "HPS: Fort Worth investment and planned production dates, 22 September 2026", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "hd-hyundai-electric", "name": "HD Hyundai Electric", "url": "https://www.hd-hyundaielectric.com/", "summary": "South Korean maker of power transformers up to 800 kV and 1,500 MVA, shunt reactors and distribution transformers, built in Ulsan and at an Alabama plant that adds a second 765 kV-capable factory in 2027.", "hq": "KR", "tags": [ "GSU", "HVDC", "Pad-mount", "Pole-mount", "Dry-type", "Power", "Distribution", "US plant", "US expansion" ], "fields": { "transformer_types": "power; GSU; shunt reactor; HVDC; phase-shifting; mobile; distribution; pad-mount; pole-mount; cast resin; gas-insulated; SVC; traction (railway); furnace; marine; natural/synthetic ester", "min_kva": 10, "max_mva": 1500, "product_range": "Pole-mount 10-333 kVA; pad-mount to 10,000 kVA; oil distribution 100-50,000 kVA; cast resin 100-20,000 kVA; power transformers up to 1,500 MVA; shunt reactors to 250 Mvar", "max_kv": 800, "voltage_classes": "power up to 800 kV; shunt reactors up to 765 kV; distribution up to 36 kV", "plants": "Ulsan, South Korea (power transformers); Ulsan Seonam, South Korea (distribution transformers); Montgomery, Alabama, United States (since 2011); second Montgomery plant (planned 2027)", "plant_countries": "South Korea; United States", "us_plant": true, "capacity_expansion": "$200M second plant, Montgomery, Alabama, groundbreaking 2026-03-06, completion due 2027-04, ~50% more EHV transformer capacity and 765 kV production and testing; current plant at 105 units/yr (up from 70)", "expansion_musd": 200, "expansion_region": "US", "hq_country": "South Korea", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.hd-hyundaielectric.com/elect/en/product/product1.jsp", "title": "HD Hyundai Electric: Power transformer", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "max_mva", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.hd-hyundaielectric.com/elect/en/product/product6.jsp", "title": "HD Hyundai Electric: Distribution transformer", "accessed": "2026-11-11", "fields": [ "min_kva", "product_range", "transformer_types", "voltage_classes" ] }, { "url": "https://www.hd-hyundaielectric.com/elect/en/company/workplace.jsp", "title": "HD Hyundai Electric: Locations", "accessed": "2026-11-11", "fields": [ "plant_countries", "plants" ] }, { "url": "https://www.koreatimes.co.kr/business/companies/20260308/hd-hyundai-electric-expands-us-transformer-manufacturing-capacity", "title": "Korea Times: HD Hyundai Electric expands US transformer manufacturing capacity (8 Mar 2026)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plants", "us_plant" ] }, { "url": "https://www.koreatimes.co.kr/business/companies/20260802/hd-hyundai-electric-hits-1000-transformer-milestone-at-us-plant", "title": "Korea Times: HD Hyundai Electric hits 1,000-transformer milestone at US plant (2 Aug 2026)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plants", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "hitachi-energy", "name": "Hitachi Energy", "url": "https://www.hitachienergy.com/", "summary": "Swiss-headquartered grid equipment maker that builds power, HVDC, distribution and dry-type transformers in factories across the Americas, Europe and Asia, with a $1 billion-plus US expansion led by a new large power transformer plant in South Boston, Virginia. Includes the former Kuhlman Electric transformer business.", "hq": "CH", "tags": [ "GSU", "HVDC", "Dry-type", "Power", "Distribution", "US plant", "EU plant", "Data center", "US expansion", "EU expansion" ], "fields": { "transformer_types": "power; GSU; HVDC; substation; distribution; dry-type; data center; mobile; rectifier/industrial; traction; shell-type; compact power (CompactStar); digital (TXpert); reactors", "product_range": "Power transformers incl. over twenty 800 kV UHVDC and 500+ 735-765 kV AC units delivered; liquid-filled and dry-type distribution and traction transformers (no kVA range published)", "max_kv": 800, "voltage_classes": "up to 800 kV UHVDC; 735-765 kV AC", "plants": "South Boston, Virginia, United States; Crystal Springs, Mississippi, United States; Jefferson City, Missouri, United States; Gallman, Mississippi, United States (planned 2029); Varennes, Canada; Bad Honnef, Germany; Vaasa, Finland (new factory planned 2027); Lodz, Poland; Dosquebradas, Colombia; Chongqing, China; Hanoi, Vietnam", "plant_countries": "United States; Canada; Germany; Finland; Poland; Colombia; China; Vietnam", "us_plant": true, "eu_plant": true, "capacity_expansion": "$528M new factory, Gallman, Mississippi, announced 2026-09-15, production 2029 (takes over Crystal Springs output); $457M large power transformer factory, South Boston, Virginia, announced 2025-09-04 (largest US LPT site, 825+ jobs); $106M Alamo, Tennessee components expansion; ~$180M new factory, Vaasa, Finland, announced 2024-04; >$30M Bad Honnef, Germany expansion (2024-02)", "expansion_musd": 528, "expansion_region": "US and EU", "data_center_offer": true, "data_center_product": "Transformers for data centers: TrafoSTAR, TXpert digital, TVP, EconiQ, HiDry dry-type, substation transformers; two European-built LPTs flown to a US hyperscale data center project (reported 2026-06)", "parent": "Hitachi, Ltd.; includes former ABB Power Grids and Kuhlman Electric transformer operations", "hq_country": "Switzerland", "hq_region": "Europe", "segment": "Power and distribution", "legacy_brands": "Kuhlman Electric: founded in Elkhart, Indiana in 1894; opened the Crystal Springs, Mississippi power transformer factory in 1956; acquired by ABB in August 2008; retained here within Hitachi Energy’s transformer heritage." }, "sources": [ { "url": "https://www.hitachienergy.com/products-and-solutions/transformers", "title": "Hitachi Energy: Transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.hitachienergy.com/products-and-solutions/transformers/power-transformers", "title": "Hitachi Energy: Power transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "product_range", "transformer_types", "voltage_classes" ] }, { "url": "https://www.hitachienergy.com/news-and-events/press-releases/2026/09/hitachi-deepens-commitment-to-u-s-manufacturing-with-528-million-mississippi-transformer-factory", "title": "Hitachi Energy: $528 million Mississippi transformer factory (15 Sep 2026)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plant_countries", "plants", "us_plant" ] }, { "url": "https://www.hitachienergy.com/news-and-events/press-releases/2025/09/hitachi-announces-historic-1-billion-usd-manufacturing-investment-to-power-america-s-energy-future-through-production-of-critical-grid-infrastructure", "title": "Hitachi: $1 billion US manufacturing investment (4 Sep 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "hq_country", "hq_region", "plants" ] }, { "url": "https://www.hitachienergy.com/us/en/news/press-releases/2024/04/hitachi-energy-to-invest-additional-1-5-billion-to-ramp-up-global-transformer-production-by-2027", "title": "Hitachi Energy: additional $1.5 billion for global transformer production (Apr 2024)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "eu_plant", "plant_countries", "plants", "us_plant" ] }, { "url": "https://www.hitachienergy.com/jp/ja/news-and-events/features/2026/06/from-europe-factories-to-the-world-digital-backbone-european-made-transformers-power-critical-ai-infrastructure", "title": "Hitachi Energy: European-made transformers power AI infrastructure (Jun 2026)", "accessed": "2026-11-11", "fields": [ "data_center_product", "eu_plant", "plant_countries", "plants" ] }, { "url": "https://www.hitachienergy.com/jp/ja/news-and-events/press-releases/2025/09/hitachi-energy-invests-an-additional-270-million-cad-195-million-usd-to-expand-large-power-transformer-manufacturing-capacity-in-varennes-quebec-jp", "title": "Hitachi Energy: CA$270M Varennes, Quebec LPT expansion (Sep 2025, search listing)", "accessed": "2026-11-11", "fields": [ "plant_countries", "plants" ] }, { "url": "https://www.hitachienergy.com/products-and-solutions/transformers/by-customer-segment/transformers-for-data-centers", "title": "Hitachi Energy: Transformers for data centers", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "transformer_types" ] }, { "url": "https://www.hitachienergy.com/company/company-profile/pioneering-technologies/our-heritage", "title": "Hitachi Energy: Kuhlman heritage and Crystal Springs transformer operations", "accessed": "2026-11-11", "fields": [ "legacy_brands", "parent" ] }, { "url": "https://www.hitachienergy.com/company", "title": "Hitachi Energy: corporate profile", "accessed": "2026-11-11", "fields": [ "parent" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "howard-industries", "name": "Howard Industries", "url": "https://www.howard.com/", "summary": "Mississippi manufacturer of distribution and power transformers. Its June 2026 catalog lists power units up to 300 MVA and 345 kV, plus data center distribution units up to 20 MVA.", "hq": "US", "tags": [ "Pad-mount", "Pole-mount", "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "distribution; pad-mount; pole-mount; network; substation; mobile", "max_mva": 300, "product_range": "June 2026 catalog: medium and large power transformers up to 300 MVA; distribution transformers up to 20 MVA", "max_kv": 345, "voltage_classes": "Power: primary through 345 kV, 1,300 kV BIL; distribution: primary through 46 kV, 250 kV BIL", "plants": "Laurel (Jones County), Mississippi, United States; Clarke County, Mississippi, United States; Simpson County, Mississippi, United States; Mexico (new plant announced 2026-05)", "plant_countries": "United States", "us_plant": true, "capacity_expansion": "$236.95M expansion across Clarke, Jones and Simpson counties, Mississippi, announced 2025-06, 450 jobs within five years; substation plant expansion groundbreaking 2026-04-02; new Mexico plant announced 2026-05-08", "expansion_musd": 236.95, "expansion_region": "US", "hq_country": "United States", "hq_region": "North America", "segment": "Power and distribution", "data_center_offer": true, "data_center_product": "Howard Power Solutions distribution and power transformers for data centers" }, "sources": [ { "url": "https://www.howard.com/INFO/news/2025/06/26/howard-industries-invests-over-230-million-to-expand-operations-across-mississippi.cfm", "title": "Howard Industries: invests over $230 million to expand across Mississippi", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "plant_countries", "plants", "us_plant" ] }, { "url": "https://msbusinessjournal.com/howard-industries-investing-236-million-to-expand-operations/", "title": "Mississippi Business Journal: Howard Industries investing $236 million", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd" ] }, { "url": "https://www.howard.com/INFO/news/2026/05/08/howard-industries-announces-major-expansion-of-mexico-manufacturing-operations.cfm", "title": "Howard Industries: major expansion of Mexico manufacturing", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plants" ] }, { "url": "https://www.manualsdir.com/manuals/466713/howard-substation-transformers.html", "title": "Howard Industries Substation Transformer Division catalog (hosted copy)", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types" ] }, { "url": "https://media.howard.com/docs/downloads/hps_data_center_transformers.pdf", "title": "Howard Power Solutions: Transformers for Data Centers, revision 202606V8", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes", "data_center_offer", "data_center_product" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "hyosung-heavy-industries", "name": "Hyosung Heavy Industries (Hyosung HICO)", "url": "https://www.hyosungheavyindustries.com/", "summary": "South Korean maker of extra-high-voltage power transformers up to 765 kV, built in Changwon and at its Memphis, Tennessee plant, which produces 69-765 kV units up to 2,250 MVA for North American utilities.", "hq": "KR", "tags": [ "Power", "US plant", "US expansion" ], "fields": { "transformer_types": "power; mobile; phase-shifting; gas-insulated (SF6); ester-filled; traction (Scott); furnace; STATCOM", "max_mva": 2250, "product_range": "Corporate line up to 1,500 MVA, 765 kV; HICO Memphis power transformers 69-765 kV up to 2,250 MVA", "max_kv": 765, "voltage_classes": "69 kV to 765 kV", "plants": "Changwon, South Korea; Memphis, Tennessee, United States; China (Jiangsu)", "plant_countries": "South Korea; United States; China", "us_plant": true, "capacity_expansion": "Additional $157M Memphis expansion announced November 2025, +50% manufacturing capacity and 240 new jobs, separate from the May 2025 $50.8M project. October 2026 company update confirms cumulative investment over $300M since 2019 and a +50% expansion being completed; $300M is not a single new project amount. No completion date stated in either release.", "expansion_musd": 157, "expansion_region": "US", "certifications": "ISO 9001; ISO 14001; ISO 45001; EN ISO 3834 (welding); built to IEC, ANSI, IEEE, NEMA, BS, JIS, JEC", "hq_country": "South Korea", "hq_region": "Asia-Pacific", "segment": "Power" }, "sources": [ { "url": "https://www.hyosungheavyindustries.com/en/business/power-products/P010101", "title": "Hyosung Heavy Industries: Power transformers", "accessed": "2026-11-11", "fields": [ "certifications", "hq_country", "hq_region", "max_kv", "plant_countries", "plants", "product_range", "segment", "transformer_types" ] }, { "url": "https://www.hyosunghico.com/", "title": "Hyosung HICO: Home", "accessed": "2026-11-11", "fields": [ "max_mva", "plants", "product_range", "us_plant", "voltage_classes" ] }, { "url": "https://www.hyosungheavyindustries.com/en/brand/brand-now/journalism/840", "title": "Hyosung Heavy Industries: Brand journalism (search listing: bases in Tennessee and Jiangsu)", "accessed": "2026-11-11", "fields": [ "plant_countries", "plants" ] }, { "url": "https://www.hyosunghico.com/blog/powering-americas-future-hyosung-hico-expands-memphis-headquarters", "title": "Hyosung HICO: November 2025 Memphis expansion announcement", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region" ] }, { "url": "https://www.hyosunghico.com/blog/hico-expansion-celebration-in-memphis", "title": "Hyosung HICO: May 2025 expansion, $50.8M and 123 jobs", "accessed": "2026-11-11", "fields": [ "capacity_expansion" ] }, { "url": "https://www.hyosunghico.com/blog/hico-america-celebrates-25-years-of-powering-america-as-us-department-of-energy-visits-memphis-transformer-plant", "title": "Hyosung HICO: October 2026 update, cumulative Memphis investment over $300M", "accessed": "2026-11-11", "fields": [ "capacity_expansion" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "iljin-electric", "name": "ILJIN Electric", "url": "https://www.iljinelectric.co.kr/", "summary": "South Korean maker of extra-high-voltage power transformers that ships 345 kV and 500 kV units to US utilities from its Hongseong factory, with a $333M US order book running 2026-2030.", "hq": "KR", "founded": 1968, "tags": [ "Power" ], "fields": { "transformer_types": "power", "product_range": "Extra-high-voltage power transformers; exported a 500 kV, 350 MVA unit to FirstEnergy (2021); 15 transformer types including 345 kV units for a US East Coast utility", "max_kv": 500, "voltage_classes": "345 kV and 500 kV units delivered to the US", "plants": "Hongseong, South Chungcheong, South Korea", "plant_countries": "South Korea", "capacity_expansion": "Raising transformer output from KRW 260 billion (end-2023) to KRW 433 billion a year by 2026; KRW 431.8 billion ($333M) US order for 2026-2030 delivery, filed 2023-11-27", "expansion_region": "Other", "hq_country": "South Korea", "hq_region": "Asia-Pacific", "segment": "Power" }, "sources": [ { "url": "https://www.kedglobal.com/newsView/ked202311280012", "title": "KED Global: Iljin Electric wins record $333 million US transformer order", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.asiae.co.kr/en/article/2021020308393755515", "title": "Asia Economy: Iljin Electric, first export of 500 kV transformer to the United States", "accessed": "2026-11-11", "fields": [ "max_kv", "plant_countries", "plants", "product_range", "voltage_classes" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "imefy", "name": "IMEFY", "url": "https://imefy.com/en/company/", "summary": "Spanish manufacturer of liquid-filled distribution, cast resin and power transformers. Its Los Yébenes factory builds power units up to 160 MVA and 245 kV.", "tags": [ "Power", "Distribution", "EU plant" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; distribution; dry-type; cast resin", "max_mva": 160, "max_kv": 245, "product_range": "Power transformers up to 160 MVA; liquid-immersed and cast resin distribution transformers", "voltage_classes": "Power transformers up to 245 kV", "plants": "Los Yébenes, Toledo, Spain", "plant_countries": "Spain", "eu_plant": true }, "sources": [ { "url": "https://imefy.com/en/company/", "title": "IMEFY: company history, manufacturing facilities and ratings", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries", "eu_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "imp-powers", "name": "IMP Powers", "url": "https://imp-powers.com/", "summary": "Indian manufacturer at Silvassa producing power, EHV, auto, generator and inverter-duty transformers up to 315 MVA and 400 kV.", "tags": [ "Power" ], "fields": { "segment": "Power", "transformer_types": "power; GSU; autotransformer; station; special; inverter-duty", "max_mva": 315, "max_kv": 400, "product_range": "EHV and power transformers up to 315 MVA; 14,000 MVA/year factory capacity", "voltage_classes": "Up to 400 kV class", "plants": "Silvassa, India", "plant_countries": "India" }, "sources": [ { "url": "https://imp-powers.com/", "title": "IMP Powers: manufacturing location, product program and ratings", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "indo-tech-transformers", "name": "Indo Tech Transformers", "url": "https://www.indo-tech.com/", "summary": "Tamil Nadu manufacturer of power, distribution and special transformers. Its published certification scope covers 63 kVA to 315 MVA and voltages up to 400 kV.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; distribution; GSU; autotransformer; special", "min_kva": 63, "max_mva": 315, "max_kv": 400, "product_range": "Certified manufacturing scope: 63 kVA-315 MVA; power and large power products through 315 MVA", "voltage_classes": "Certified manufacturing scope through 400 kV", "plants": "Kancheepuram, Tamil Nadu, India", "plant_countries": "India", "certifications": "ISO 9001:2015; ISO 14001:2015; ISO 45001:2018; NABL testing accreditation" }, "sources": [ { "url": "https://www.indo-tech.com/certificates/", "title": "Indo Tech: certifications and manufacturing scope", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "min_kva", "max_mva", "max_kv", "product_range", "voltage_classes", "certifications" ] }, { "url": "https://www.indo-tech.com/about-us/", "title": "Indo Tech: manufacturing in Kancheepuram", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries" ] }, { "url": "https://www.indo-tech.com/wp-content/uploads/2023/03/Power-Transformers-Brochure.pdf", "title": "Indo Tech: power transformer brochure", "accessed": "2026-11-11", "fields": [ "transformer_types", "product_range" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "jiangsu-huapeng", "name": "Jiangsu Huapeng Transformer (JSHP)", "url": "https://jshp-usa.com/", "summary": "Family-owned Chinese maker running one large transformer factory in Liyang, Jiangsu, that builds everything from 5 kVA pole-top units to 850 kV, 1,000 MVA power transformers, with about 200 GVA of annual capacity.", "hq": "CN", "founded": 1967, "tags": [ "GSU", "HVDC", "Pad-mount", "Pole-mount", "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; GSU; autotransformer; HVDC; shunt reactor; phase-shifting; distribution; pole-mount; pad-mount; network; cast resin; dry-type; rectifier/industrial; furnace; MV station/skid; explosion-resistant (JStrong)", "min_kva": 5, "max_mva": 1000, "product_range": "5 kVA single-phase pole top to three-phase 850 kV, 1,000 MVA; ~200 GVA annual capacity", "max_kv": 850, "voltage_classes": "up to 850 kV (765 kV GSU delivered)", "plants": "Liyang, Jiangsu, China", "plant_countries": "China", "hq_country": "China", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://jshp-usa.com/", "title": "JSHP: Home", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "max_mva", "min_kva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://jshp-usa.com/products/", "title": "JSHP: Products", "accessed": "2026-11-11", "fields": [ "transformer_types" ] }, { "url": "https://transformer-technology.com/jshp-shipped-over-11-000-units-of-110-525-kv-transformers-and-shunt-reactors/", "title": "Transformer Technology: JSHP shipped over 11,000 units of 110-525 kV transformers and shunt reactors (2022)", "accessed": "2026-11-11", "fields": [ "plants", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "jst-power-equipment", "name": "JST Power Equipment", "url": "https://www.jstpower.com/", "summary": "Florida-based maker of dry-type, pad-mount and power transformers up to 600 MVA and 500 kV, with plants in Mexico, Malaysia and China and a pad-mount factory in Wytheville, Virginia. Data centers are a named market.", "hq": "US", "tags": [ "Pad-mount", "Dry-type", "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; distribution; pad-mount; dry-type; cast resin; VPI; data center", "min_kva": 25, "max_mva": 600, "product_range": "Current website: power transformers up to 600 MVA, 500 kV; Virginia padmount factory: 25-6,000 kVA, up to 35 kV. May 2026 factory announcement separately described power range up to 150 MVA.", "max_kv": 500, "voltage_classes": "primary up to 500 kV (1,800 kV BIL)", "plants": "Wytheville, Virginia, United States (single- and three-phase padmount, opened May 2026); Nogales, Mexico (dry-type); Port Klang, Malaysia (padmount); China", "plant_countries": "United States; Mexico; Malaysia; China", "us_plant": true, "capacity_expansion": "Wytheville factory opened May 2026: 25-6,000 kVA padmount units through 35 kV; approximately 150 units planned in 2026, scaling to 1,000 from 2027. Malaysia padmount factory opened June 2025; Mexico dry-type expansion in 2024.", "expansion_region": "US", "data_center_offer": true, "data_center_product": "Pad-mount, dry-type and power transformers plus MV switchgear and packaged unit substations for data centers", "hq_country": "United States", "hq_region": "North America", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.jstpower.com/about/", "title": "JST Power Equipment: About", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "hq_country", "hq_region", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.businesswire.com/news/home/20260519751615/en/JST-Power-Equipment-Opens-Virginia-Transformer-Manufacturing-Facility-to-Support-Power-for-Utilities-and-Data-Center-Demand", "title": "Business Wire: JST Power Equipment opens Virginia transformer facility", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "min_kva", "plant_countries", "plants", "us_plant" ] }, { "url": "https://www.businesswire.com/news/home/20250617307772/en/JST-Power-Equipment-Announces-Opening-of-New-Transformer-Manufacturing-Facility-in-Malaysia", "title": "Business Wire: JST Power Equipment opens transformer facility in Malaysia", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plant_countries", "plants" ] }, { "url": "https://jstpower.com/", "title": "JST: current power transformer product overview", "accessed": "2026-11-11", "fields": [ "product_range", "max_mva", "max_kv" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "kolektor-etra", "name": "Kolektor Etra", "url": "https://kolektor-etra.si/en/products/", "summary": "Slovenian manufacturer of power, generator step-up and distribution transformers. Its power range reaches 500 MVA and 420 kV; distribution units start at 50 kVA.", "tags": [ "Power", "Distribution", "EU plant" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; GSU; autotransformer; distribution; dry-type; furnace; rectifier; traction", "min_kva": 50, "max_mva": 500, "max_kv": 420, "product_range": "Power and GSU up to 500 MVA; Series 8 distribution 50-1,600 kVA", "voltage_classes": "Power up to 420 kV; Series 8 distribution up to 24 kV", "plants": "Ljubljana, Slovenia (power transformers); Belgrade, Serbia (medium power transformers)", "plant_countries": "Slovenia; Serbia", "eu_plant": true, "certifications": "Series 8: EU Ecodesign Tier 2" }, "sources": [ { "url": "https://kolektor-etra.si/en/products/", "title": "Kolektor Etra: manufacturing program", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "min_kva", "max_mva", "max_kv", "product_range", "voltage_classes", "certifications" ] }, { "url": "https://kolektor-etra.si/wp-content/uploads/2024/08/BrosuraEtra.pdf", "title": "Kolektor Etra: production program by plant", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries", "eu_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "koncar", "name": "Končar", "url": "https://www.koncar.hr/en", "summary": "Croatian group whose Zagreb joint venture with Siemens Energy builds GSUs, autotransformers and HVDC units up to 1,000 MVA and 550 kV. Its D&ST unit makes distribution and power transformers up to 160 MVA.", "hq": "HR", "tags": [ "GSU", "HVDC", "Power", "Distribution", "EU plant", "US expansion", "EU expansion" ], "fields": { "transformer_types": "power; GSU; autotransformer; HVDC; shunt reactor; distribution", "max_mva": 1000, "product_range": "GSU, network and autotransformers up to 1,000 MVA; shunt reactors to 250 MVAr; Končar D&ST distribution and power transformers to 160 MVA, 170 kV", "max_kv": 550, "voltage_classes": "up to 550 kV AC; HVDC to 550 kV DC", "plants": "Jankomir, Zagreb, Croatia (Končar Power Transformers, 51% Siemens Energy); Sesvetski Kraljevec, Croatia (transformer tanks); Texas, United States (planned 2027)", "plant_countries": "Croatia", "eu_plant": true, "capacity_expansion": "EUR 260M Zagreb large power transformer expansion with Siemens Energy, announced 2025-08-01: capacity from 22,000 to 30,000 MVA by 2027 and 45,000 MVA by 2031, 350 jobs; new Texas factory due 2027 (reported 2026-01-02)", "expansion_region": "US and EU", "parent": "Končar Power Transformers is 51% Siemens Energy, 49% Končar", "hq_country": "Croatia", "hq_region": "Europe", "segment": "Power and distribution" }, "sources": [ { "url": "https://koncar.hr/en/news/koncar-siemens-energy-important-notice", "title": "Končar: Končar and Siemens Energy to invest EUR 260 million in large power transformers", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "eu_plant", "expansion_region", "hq_country", "hq_region", "max_kv", "max_mva", "parent", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://transformer-technology.com/koncar-plans-texas-factory-as-part-of-2-7-billion-order-backlog/", "title": "Transformer Technology: Končar plans Texas factory", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "plants" ] }, { "url": "https://transformers-magazine.com/tag/koncar/", "title": "Transformers Magazine: Končar news", "accessed": "2026-11-11", "fields": [ "product_range", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "ls-electric", "name": "LS Electric", "url": "https://www.ls-electric.com/", "summary": "South Korean power equipment maker building 145-550 kV power transformers and HVDC converter transformers at its Busan complex, plus oil-immersed and cast-resin distribution transformers, and supplying 345 kV units to US hyperscale data centers.", "hq": "KR", "founded": 1974, "tags": [ "HVDC", "Dry-type", "Power", "Distribution", "Data center" ], "fields": { "transformer_types": "power; HVDC; distribution; cast resin; oil-immersed; data center", "product_range": "Ultra-high-voltage power transformers 145-550 kV (Busan); oil-immersed up to 80 MVA, 69 kV; cast resin up to 3,150 kVA, 33 kV", "max_kv": 550, "voltage_classes": "145 kV to 550 kV power; distribution up to 69 kV", "plants": "Busan (Gangseo), South Korea - two UHV transformer plants", "plant_countries": "South Korea", "capacity_expansion": "KRW100.8B second UHV transformer plant, Busan, completed 2025-12-04, 2.3x the first plant's output, complex capacity KRW200B to KRW600B/yr (no US/EU transformer plant found)", "expansion_region": "Other", "data_center_offer": true, "data_center_product": "345 kV transformers, KRW180B (~$132M) contract for an unnamed US tech company's hyperscale AI data center, announced 2026-10-01", "hq_country": "South Korea", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.koreatimes.co.kr/business/companies/20251204/ls-electric-completes-new-high-voltage-transformer-facilities-in-busan", "title": "Korea Times: LS Electric completes new high-voltage transformer facilities in Busan (4 Dec 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "max_kv", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.koreajoongangdaily.com/business/ls-electric-secures-132-million-transformer-deal-for-us-data-center/12900654", "title": "Korea JoongAng Daily: LS Electric secures $132 million transformer deal for US data center (1 Oct 2026)", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "transformer_types" ] }, { "url": "https://www.ls-electric.com/products/view/Smart_Power_Solution/Power_Distribution/Transformer/Cast_Resin_Transformer", "title": "LS Electric: Cast resin transformer (search listing)", "accessed": "2026-11-11", "fields": [ "product_range", "transformer_types" ] }, { "url": "https://www.ls-electric.com/products/view/Smart_Power_Solution/Power_Distribution/Transformer/Oil-immersed_Transformer", "title": "LS Electric: Oil-immersed transformer (search listing)", "accessed": "2026-11-11", "fields": [ "product_range", "voltage_classes" ] }, { "url": "https://www.ls-electric.com/ko/company/data/2023_2024_LSELECTRIC_CSR_Report.pdf", "title": "LS Electric: 2023-2024 sustainability report (search listing: HQ Anyang, est. 1974)", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "maddox", "name": "Maddox Transformer", "url": "https://www.maddox.com/about", "summary": "US manufacturer and remanufacturer supplying padmount, substation, polemount and dry-type transformers. Headquartered in Battle Ground, Washington, with transformer production in South Carolina.", "tags": [ "Distribution", "US plant", "Data center" ], "fields": { "segment": "Distribution", "transformer_types": "distribution; pad-mount; pole-mount; substation; dry-type", "plants": "Greer, South Carolina, United States (three-phase padmount production); Woodruff, South Carolina, United States (additional production site in development, 2026)", "plant_countries": "United States", "us_plant": true, "certifications": "ANSI, NEMA, DOE and IEEE standards as applicable", "hq_country": "United States", "hq_region": "North America", "data_center_offer": true, "data_center_product": "Padmount, substation, dry-type and polemount transformers supplied to data center and renewable energy projects" }, "sources": [ { "url": "https://www.maddox.com/about", "title": "Maddox: products, manufacturing history and headquarters", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "plants", "plant_countries", "us_plant", "certifications", "hq_country", "hq_region" ] }, { "url": "https://www.maddox.com/resources/articles/reindustrialization-transformer-donation", "title": "Maddox: American-made transformers and data center projects", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "matelec", "name": "Matelec", "url": "https://matelec.com/", "summary": "Lebanese manufacturer of liquid-immersed power transformers from 5 to 125 MVA and distribution transformers from 50 to 4,500 kVA, built to IEC 60076 and national standards.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; GSU; distribution; earthing; self-protected", "min_kva": 50, "max_mva": 125, "max_kv": 245, "product_range": "Power 5-125 MVA; liquid-immersed three-phase distribution 50-4,500 kVA", "voltage_classes": "Power through 245 kV; distribution through 36 kV", "certifications": "IEC 60076 and national standards", "plant_countries": "Lebanon" }, "sources": [ { "url": "https://matelec.com/product/power-transformers-step-up-step-down/", "title": "Matelec: liquid-immersed power transformer ratings", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "certifications" ] }, { "url": "https://matelec.com/product/distribution-transformers/", "title": "Matelec: distribution transformer ratings and types", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "min_kva", "product_range", "voltage_classes", "certifications" ] }, { "url": "https://matelec.com/about-us/", "title": "Matelec: Lebanon transformer manufacturing history", "accessed": "2026-11-11", "fields": [ "plant_countries" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "meidensha", "name": "Meidensha", "url": "https://www.meidensha.com/", "summary": "Japanese power equipment maker building power transformers up to 500 kV and 500 MVA, plus SF6 gas-insulated, mobile, rectifier and railway traction units at Numazu, India and Singapore, and adding a JPY16 billion Numazu building to lift output 1.5 times by FY2028.", "hq": "JP", "tags": [ "Power", "Distribution" ], "fields": { "transformer_types": "power; distribution; gas-insulated (SF6); mobile; rectifier/industrial; traction (Scott, auto-transformer); shunt reactor", "max_mva": 500, "product_range": "Numazu up to 300 kV, 500 MVA; Meiden T&D (India) up to 500 kV, 500 MVA; Meiden Singapore up to 154 kV, 100 MVA", "max_kv": 500, "voltage_classes": "up to 500 kV (India); 300 kV (Numazu); 154 kV (Singapore)", "plants": "Numazu, Japan; India (Meiden T&D India); Singapore (Meiden Singapore)", "plant_countries": "Japan; India; Singapore", "capacity_expansion": "JPY16B new building at Numazu transformer factory, decided 2025-10-30, operation FY2028, ~1.5x capacity; Meiden T&D India test bay, 1.2x capacity, FY2027; Meiden Singapore transformer and switchgear plants merged in relocation, FY2028 (no US/EU transformer plant found)", "expansion_region": "Other", "hq_country": "Japan", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.meidensha.com/catalog/EA60-3301.pdf", "title": "Meidensha: Transformers catalog", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.meidensha.co.jp/news/news_03/news_03_01/__icsFiles/afieldfile/2025/10/30/20251030_3.pdf", "title": "Meidensha: JPY16 billion Numazu transformer factory building (30 Oct 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "mgm-transformer", "name": "MGM Transformers", "url": "https://mgmtransformers.com/", "summary": "Forgent company building dry-type and liquid-filled transformers from 10 kVA to 10 MVA, with plants in California, Texas and Tijuana. Opened a 430,000 sq ft Waco, Texas plant with VanTran in 2025.", "hq": "US", "founded": 1974, "tags": [ "Pad-mount", "Dry-type", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "distribution; dry-type; pad-mount; substation; data center; solar/wind (renewable)", "min_kva": 10, "max_mva": 10, "product_range": "10 kVA low voltage to 10 MVA medium voltage, dry-type and liquid-filled", "plants": "California, United States; Waco, Texas, United States; Tijuana, Mexico", "plant_countries": "United States; Mexico", "us_plant": true, "capacity_expansion": "430,000 sq ft Waco, Texas plant with sister company VanTran for custom liquid-filled transformers, opened 2025-04, over $1 billion of annual production capacity", "expansion_region": "US", "data_center_offer": true, "data_center_product": "Dry-type and liquid-filled transformers for hyperscale to edge data centers", "parent": "Forgent", "hq_country": "United States", "hq_region": "North America", "segment": "Distribution" }, "sources": [ { "url": "https://mgmtransformers.com/about-us/", "title": "MGM Transformers: About us", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "hq_country", "hq_region", "parent", "plant_countries", "plants", "segment", "transformer_types", "us_plant" ] }, { "url": "https://www.publicpower.org/periodical/article/mgm-transformers-vantran-announce-opening-texas-transformer-manufacturing-facility", "title": "APPA Public Power: MGM Transformers, VanTran open Texas transformer facility", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "max_mva", "min_kva", "plants", "product_range", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "mitsubishi-electric", "name": "Mitsubishi Electric", "url": "https://www.mitsubishielectric.com/", "summary": "Japanese electrical group that builds large shell-form and core-form power transformers, autotransformers, GSUs and SF6 gas-insulated transformers at its Ako factory, including a 1,510 MVA nuclear GSU, and sells them in North America through Mitsubishi Electric Power Products.", "hq": "JP", "tags": [ "GSU", "Power" ], "fields": { "transformer_types": "power; GSU; autotransformer; gas-insulated (SF6); shell-form; core-form", "max_mva": 1510, "product_range": "Large power transformers incl. a 1,510 MVA three-phase nuclear GSU; shell-form above ~200 MVA bank capacity", "max_kv": 765, "voltage_classes": "shell-form 115-765 kV; core-form 69-275 kV", "plants": "Ako (Transmission & Distribution Systems Center), Japan", "plant_countries": "Japan", "hq_country": "Japan", "hq_region": "Asia-Pacific", "segment": "Power" }, "sources": [ { "url": "https://www.mitsubishielectric.com/eig/energysystems/products/transmission/transformers/index.html", "title": "Mitsubishi Electric: Transformers", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_mva", "product_range", "segment", "transformer_types" ] }, { "url": "https://www.meppi.com/products/power-transformers", "title": "Mitsubishi Electric Power Products: Power transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "product_range", "transformer_types", "voltage_classes" ] }, { "url": "https://www.hitachi.com/en/press/articles/2024/04/0405a/", "title": "Hitachi: Mitsubishi Electric to transfer distribution transformer business (5 Apr 2024)", "accessed": "2026-11-11", "fields": [ "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "olsun", "name": "Olsun Electrics", "url": "https://www.olsun.com/", "summary": "Richmond, Illinois manufacturer of dry-type transformers, including cast coil, substation, encapsulated, triplex and pad-mounted designs. Its published padmount range reaches 5 MVA.", "tags": [ "Distribution", "US plant" ], "fields": { "segment": "Distribution", "transformer_types": "distribution; dry-type; cast coil; encapsulated; substation; pad-mount; triplex", "min_kva": 15, "max_mva": 5, "max_kv": 34.5, "product_range": "Padmount dry-type: single-phase 15-1,000 kVA and three-phase 15-5,000 kVA; other custom dry-type lines", "voltage_classes": "General dry-type product line through 34.5 kV; padmount brochure through 15 kV", "plants": "Richmond, Illinois, United States", "plant_countries": "United States", "us_plant": true, "certifications": "UL and cUL listed padmount dry-type transformers" }, "sources": [ { "url": "https://www.olsun.com/olsun-product-information/", "title": "Olsun: dry-type lines and voltage classes", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_kv", "voltage_classes" ] }, { "url": "https://www.olsun.com/wp-content/uploads/2016/08/olsun-pad-mounted-brochure.pdf", "title": "Olsun: padmount transformer ratings, listings and US assembly", "accessed": "2026-11-11", "fields": [ "min_kva", "max_mva", "product_range", "plants", "plant_countries", "us_plant", "certifications" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "ormazabal", "name": "Ormazabal", "url": "https://www.ormazabal.com/", "summary": "Spanish maker of medium-voltage distribution transformers and switchgear, part of Velatia. Its Loeches plant near Madrid, Spain's largest transformer factory, has built more than 300,000 units and serves grids, renewables and data centers.", "hq": "ES", "founded": 1967, "tags": [ "Distribution", "EU plant", "Data center", "EU expansion" ], "fields": { "transformer_types": "distribution; substation; solar/wind (renewable); data center", "product_range": "Medium-voltage distribution transformers; about 7 GW of annual transformer capacity at Loeches", "plants": "Loeches (Madrid), Spain; 17 industrial plants worldwide", "plant_countries": "Spain", "eu_plant": true, "capacity_expansion": "EUR 15M planned at Loeches over five years from 2025 to expand capacity and digitalise (after EUR 15M in the previous five)", "expansion_region": "EU", "data_center_offer": true, "data_center_product": "MV transformers and distribution switchgear; more than 50 data center projects worldwide, 22 in Spain", "parent": "Velatia", "hq_country": "Spain", "hq_region": "Europe", "segment": "Distribution" }, "sources": [ { "url": "https://www.renewableenergymagazine.com/panorama/ormazabal-loeches-la-mayor-f-brica-de-20251006", "title": "Renewable Energy Magazine: Ormazabal Loeches, Spain's largest transformer factory", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "data_center_offer", "eu_plant", "expansion_region", "hq_country", "hq_region", "parent", "plant_countries", "plants", "product_range", "segment", "transformer_types" ] }, { "url": "https://www.datacenterdynamics.com/es/opinion/estamos-trasladando-conocimiento-contrastado-en-el-mercado-de-la-distribucion-electrica-a-los-proyectos-de-data-center/", "title": "DCD: Ormazabal on data center projects", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "pauwels", "name": "Pauwels Transformers", "url": "https://www.pauwels.com/products/", "summary": "Belgian power and distribution transformer manufacturer in Mechelen. Formerly CG Power Systems Belgium, the plant restarted in 2021 under EIC ownership.", "tags": [ "Power", "Distribution", "EU plant" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; GSU; autotransformer; phase-shifting; mobile; distribution; pad-mount; traction; reactors", "max_mva": 1000, "max_kv": 525, "product_range": "Power transformers up to 750 MVA; autotransformers up to 1,000 MVA; distribution up to 30 MVA", "voltage_classes": "Power up to 525 kV; distribution up to 72 kV", "certifications": "IEC and ANSI standards; Eco norm; ATEX designs", "plants": "Mechelen, Belgium", "plant_countries": "Belgium", "eu_plant": true, "parent": "Electrical Industries Company (EIC); formerly CG Power Systems Belgium" }, "sources": [ { "url": "https://www.pauwels.com/products/", "title": "Pauwels: power and distribution transformer product ranges", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "certifications" ] }, { "url": "https://www.pauwels.com/about/", "title": "Pauwels: history and 2021 restart as an EIC group company", "accessed": "2026-11-11", "fields": [ "plants", "plant_countries", "eu_plant", "parent" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "pennsylvania-transformer", "name": "Pennsylvania Transformer Technology", "url": "https://www.patransformer.com/", "summary": "US builder of oil-filled power transformers from 500 kVA to 750 MVA through 765 kV, plus GSUs, autotransformers and shunt reactors, from plants in Canonsburg, Pennsylvania and Raeford, North Carolina. A Quanta Services company.", "hq": "US", "founded": 1929, "tags": [ "GSU", "Pad-mount", "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; GSU; autotransformer; shunt reactor; pad-mount; substation; rectifier/industrial; data center", "min_kva": 500, "max_mva": 750, "product_range": "Oil-filled power transformers 500 kVA to 750 MVA; GSUs, autotransformers, shunt reactors, pad-mount and unit substation transformers", "max_kv": 765, "voltage_classes": "through 765 kV; Canonsburg tests to 2,400 kV BIL, Raeford to 161 kV / 650 kV BIL", "plants": "Canonsburg, Pennsylvania, United States; Raeford, North Carolina, United States", "plant_countries": "United States", "us_plant": true, "eu_plant": false, "capacity_expansion": "$102.5M Raeford, North Carolina expansion: 300,000 sq ft across two plants, 217 jobs, announced 2025-02-17, groundbreaking 2025-12-10", "expansion_musd": 102.5, "expansion_region": "US", "certifications": "ISO 9001:2015", "data_center_offer": true, "data_center_product": "Power and substation transformers for projects from utility substations to hyperscale data centers", "parent": "Quanta Services", "hq_country": "United States", "hq_region": "North America", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.patransformer.com/about-us/", "title": "PTT: About us", "accessed": "2026-11-11", "fields": [ "certifications", "data_center_offer", "data_center_product", "eu_plant", "hq_country", "hq_region", "max_kv", "max_mva", "min_kva", "parent", "plant_countries", "plants", "product_range", "segment", "transformer_types", "us_plant", "voltage_classes" ] }, { "url": "https://governor.nc.gov/news/press-releases/2025/02/17/governor-stein-announces-102-million-expansion-domestic-transformer-manufacturer-raeford", "title": "NC Governor: $102 million expansion for domestic transformer manufacturer in Raeford", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region" ] }, { "url": "https://governor.nc.gov/news/press-releases/2025/12/10/governor-stein-celebrates-pennsylvania-transformer-technology-groundbreaking-hoke-county", "title": "NC Governor: PTT groundbreaking in Hoke County", "accessed": "2026-11-11", "fields": [ "capacity_expansion" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "prolec-ge", "name": "Prolec GE (GE Vernova)", "url": "https://www.prolec.energy/", "summary": "North American transformer maker, wholly owned by GE Vernova since February 2026, building pole, pad-mount, network, substation and power transformers from 5 kVA to 1,200 MVA in Mexico, the US and Brazil.", "hq": "MX", "tags": [ "GSU", "Pad-mount", "Pole-mount", "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; GSU; autotransformer; substation; distribution; pad-mount; pole-mount; network; shunt reactor; solar/wind (renewable); data center; voltage regulators; collector step-up", "min_kva": 5, "max_mva": 1200, "product_range": "Residential/commercial 5-1,000 kVA; network 300-2,500 kVA; industrial and renewable 225-15,000 kVA; medium power 5-100 MVA; large power 100-1,200 MVA", "max_kv": 800, "voltage_classes": "power transformers through 800 kV primary (web); brochure lists large/medium power up to 500 kV; distribution up to 34.5 kV", "plants": "Apodaca/Monterrey, Mexico; Waukesha, Wisconsin, United States; Goldsboro, North Carolina, United States; Shreveport, Louisiana, United States; Canoas, Brazil", "plant_countries": "Mexico; United States; Brazil", "us_plant": true, "capacity_expansion": "$140M second plant, Goldsboro, North Carolina, announced 2025-05-14, ~200 more medium power units/yr and doubled Goldsboro capacity by 2030; new three-phase pad-mount line in Shreveport, Louisiana (1,500+ units/yr) and doubled single-phase pad-mount output", "expansion_musd": 140, "expansion_region": "US", "certifications": "Built to IEEE, ANSI, NEMA, UL, FM, NBR and ISO quality system standards; VG-100 ester fluid FM and UL certified", "data_center_offer": true, "data_center_product": "Substation transformers for 'Utility & Data Center' applications; data centers listed as a served market", "parent": "GE Vernova", "hq_country": "Mexico", "hq_region": "Latin America", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.prolec.energy/transformers/power-transformers/", "title": "Prolec: Power transformers", "accessed": "2026-11-11", "fields": [ "certifications", "data_center_offer", "data_center_product", "max_kv", "max_mva", "plants", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://prolec.energy/wp-content/uploads/2024/05/PROLEC_Brochure-General_RGB.pdf", "title": "Prolec: General brochure", "accessed": "2026-11-11", "fields": [ "certifications", "hq_country", "hq_region", "min_kva", "plant_countries", "plants", "product_range", "us_plant", "voltage_classes" ] }, { "url": "https://www.prolec.energy/", "title": "Prolec: Home", "accessed": "2026-11-11", "fields": [ "data_center_offer", "transformer_types" ] }, { "url": "https://www.prolec.energy/news/prolec-ge-invests-an-additional-140-million-in-the-u-s-to-support-north-american-electric-grid-goals/", "title": "Prolec GE: additional $140 million US investment (14 May 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plants" ] }, { "url": "https://www.gevernova.com/news/press-releases/ge-vernova-completes-prolec-ge-acquisition", "title": "GE Vernova completes Prolec GE acquisition (2 Feb 2026)", "accessed": "2026-11-11", "fields": [ "parent", "us_plant" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "sanil-electric", "name": "Sanil Electric", "url": "https://www.sanil.co.kr/", "summary": "South Korean maker of oil-immersed power and distribution transformers and cast resin units. Its current oil-immersed range reaches 70 MVA and 154 kV nominal (170 kV equipment class).", "hq": "KR", "tags": [ "Pad-mount", "Power", "Distribution", "Data center" ], "fields": { "transformer_types": "power; distribution; oil-immersed; pad-mount; cast resin; dry-type; renewable", "voltage_classes": "Oil-immersed line: 154 kV nominal (170 kV equipment class); cast resin up to 34.5 kV; distribution up to 72.5 kV", "capacity_expansion": "New production line on half of the idle land at its second plant, production from 2028, lifting output from about KRW 800 billion toward KRW 1 trillion a year", "expansion_region": "Other", "data_center_offer": true, "data_center_product": "KRW 50.3 billion contract to supply transformers to Bloom Energy for US data centers, disclosed 2026-04-30", "hq_country": "South Korea", "hq_region": "Asia-Pacific", "segment": "Power and distribution", "max_mva": 70, "max_kv": 170, "product_range": "Oil-immersed transformers up to 70 MVA; cast resin range up to 15 MVA; oil-immersed distribution product up to 10 MVA, 72.5 kV", "certifications": "Oil-immersed transformer design standards: IEC, IEEE and NEMA" }, "sources": [ { "url": "https://view.asiae.co.kr/en/article/2026050416114946118", "title": "Asia Economy: Sanil Electric and data center demand", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "data_center_offer", "data_center_product", "expansion_region" ] }, { "url": "https://www.sanil.co.kr/en/sub/product/list.php?s_cate=20", "title": "Sanil: current oil-immersed transformer range and standards", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes", "transformer_types", "segment", "certifications", "hq_country", "hq_region" ] }, { "url": "https://www.sanil.co.kr/en/sub/product/list.php?s_cate=22", "title": "Sanil: cast resin transformer range", "accessed": "2026-11-11", "fields": [ "product_range", "voltage_classes", "transformer_types" ] }, { "url": "https://www.sanil.co.kr/en/sub/product/detail.php?idx=25&s_cate=20", "title": "Sanil: distribution transformer specifications", "accessed": "2026-11-11", "fields": [ "product_range", "voltage_classes" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "schneider-electric", "name": "Schneider Electric", "url": "https://www.se.com/", "summary": "French electrification group whose Trihal cast resin dry-type transformers run from 160 kVA to 20 MVA at 36 kV, marketed for data centres, buildings and industry where fire risk matters.", "hq": "FR", "tags": [ "Dry-type", "Distribution", "Data center" ], "fields": { "transformer_types": "distribution; dry-type; cast resin; data center", "max_mva": 20, "product_range": "Trihal cast resin: UK range up to 15 MVA; Belgium range up to 20 MVA, 36 kV", "max_kv": 36, "voltage_classes": "Trihal up to 36 kV", "data_center_offer": true, "data_center_product": "Trihal included in Schneider Electric solutions for Switch Datacenters", "hq_country": "France", "hq_region": "Europe", "segment": "Distribution", "min_kva": 160 }, "sources": [ { "url": "https://www.se.com/be/en/product-range/977-trihal/", "title": "Schneider Electric Belgium: Trihal range, 20 MVA and 36 kV", "accessed": "2026-11-11", "fields": [ "max_mva", "max_kv", "product_range", "voltage_classes" ] }, { "url": "https://www.se.com/be/en/work/campaign/case-study/local/switch-datacenters/", "title": "Schneider Electric: Switch Datacenters customer case and selected products", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] }, { "url": "https://productinfo.se.com/esxp_digital_apps_iec/transverse/English/BM_ESXP_DG_Transverse_Section_IEC_0001148082.xml/$/ESXP_DG_APPX_P_Connected_Products_0001160338", "title": "Schneider Electric: engineering guide, connected products (Trihal)", "accessed": "2026-11-11", "fields": [ "min_kva", "hq_country", "hq_region", "transformer_types", "segment" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "sgb-smit", "name": "SGB-SMIT Group", "url": "https://www.sgb-smit.com/", "summary": "Regensburg-based independent maker of power and distribution transformers from 30 kVA to 1,200 MVA up to 765 kV, with plants across Europe, Asia and the US, where it owns Southwest Electric.", "hq": "DE", "tags": [ "GSU", "Dry-type", "Power", "Distribution", "US plant", "EU plant", "Data center", "US expansion", "EU expansion" ], "fields": { "transformer_types": "power; GSU; distribution; cast resin; VPI; dry-type; solar/wind (renewable)", "min_kva": 30, "max_mva": 1200, "product_range": "30 kVA to 1,200 MVA; oil distribution transformers 50-2,500 kVA; cast resin and VPI dry-type", "max_kv": 765, "voltage_classes": "up to 765 kV", "plants": "Regensburg, Germany; Nijmegen, Netherlands; Sibiu and Botoșani, Romania (ALFA production from July 2025); Tallmadge, Ohio, United States (SGB-USA dry-type production); Oklahoma City, United States (Southwest power division announced October 2025); Ripanj, Serbia (COMEL majority-stake agreement, closing not assumed)", "plant_countries": "Germany; Netherlands; Romania; United States", "us_plant": true, "eu_plant": true, "capacity_expansion": "EUR20M SGB-ALFA factory in Botoșani, Romania: production began July 2025, formally inaugurated 1 July 2026. Agreement for majority stake in COMEL Transformatori, Ripanj, Serbia announced 13 July 2026. Southwest Electric power transformer manufacturing division announced October 2025 in Oklahoma City.", "expansion_region": "US and EU", "data_center_offer": true, "data_center_product": "Southwest Electric's Oklahoma City power transformer division targets data centers, utilities, oil and gas and renewables", "hq_country": "Germany", "hq_region": "Europe", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.sgb-smit.com/fileadmin/user_upload/Downloads/Broschueren/Medium_Power_Transformers/NT_EN_2304.pdf", "title": "SGB-SMIT: Medium power transformers brochure", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "max_mva", "min_kva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.sgb-smit.com/news/news-detail/sgb-smit-acquires-majority-stake-in-comel-transformatori", "title": "SGB-SMIT: acquires majority stake in COMEL Transformatori", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "plants", "product_range", "transformer_types" ] }, { "url": "https://transformer-technology.com/southwest-electric-launches-power-transformer-manufacturing-division-in-oklahoma-city-transformer-technology-news/", "title": "Transformer Technology: Southwest Electric launches power transformer division in Oklahoma City", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] }, { "url": "https://www.sgb-smit.com/news/news-detail/inauguration-of-the-sgb-alfa-factory-in-botosani-romania", "title": "SGB-SMIT: ALFA factory production date, inauguration and EUR20M investment", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "plants", "plant_countries", "eu_plant" ] }, { "url": "https://sgbusa.com/about-sgb-usa-2/", "title": "SGB-USA: Tallmadge production facility and US manufacture", "accessed": "2026-11-11", "fields": [ "us_plant", "plants", "plant_countries" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "shihlin-electric", "name": "Shihlin Electric", "url": "https://www.shihlin-electric.com/", "summary": "Taiwanese manufacturer supplying North American utilities with power transformers through 300 MVA and 345 kV, plus distribution transformers through 5 MVA and 44 kV.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; distribution; pole-mount; pad-mount; station-type", "max_mva": 300, "max_kv": 345, "product_range": "North America offering: power transformers up to 300 MVA; distribution up to 5 MVA", "voltage_classes": "North America offering: power up to 345 kV; distribution up to 44 kV", "plant_countries": "Taiwan", "certifications": "KEMA, UL and ISO certifications; testing aligned with ILAC and IEEE/CSA" }, "sources": [ { "url": "https://www.shihlin-electric.com/", "title": "Shihlin Electric: North America product ranges and Taiwan manufacturing", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plant_countries", "certifications" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "shilchar-technologies", "name": "Shilchar Technologies", "url": "https://shilchar.com/power/product/power-transformers", "summary": "Gujarat manufacturer of power and distribution transformers with an operating power range of 5-50 MVA. An expansion targeting 160 MVA and 220 kV is due in April 2027.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; distribution; renewable", "max_mva": 50, "max_kv": 150, "product_range": "Current power line 5-50 MVA, 132 kV class; 5 MVA, 150 kV export reference; planned line up to 160 MVA, 220 kV from April 2027", "voltage_classes": "Standard current power line up to 132 kV; 150 kV export reference delivered in 2018", "plants": "Gavasad, Vadodara, Gujarat, India", "plant_countries": "India", "capacity_expansion": "120,000 sq ft additional factory targeting 6,500 MVA/year added capacity by April 2027 for transformers up to 160 MVA, 220 kV", "expansion_region": "Other" }, "sources": [ { "url": "https://shilchar.com/power/product/power-transformers", "title": "Shilchar: current product range, export reference, factory and planned expansion", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries", "capacity_expansion", "expansion_region" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "siemens-energy", "name": "Siemens Energy", "url": "https://www.siemens-energy.com/", "summary": "Munich-based energy technology group making power transformers to 1,300 MVA and 1,100 kV, HVDC converter transformers and GEAFOL cast-resin distribution units in transformer factories on four continents, and building its first US large power transformer plant in Charlotte, North Carolina.", "hq": "DE", "tags": [ "HVDC", "Power", "Distribution", "EU plant", "Data center", "US expansion", "EU expansion" ], "fields": { "transformer_types": "power; HVDC; shunt reactor; series reactor; phase-shifting; mobile; distribution; cast resin (GEAFOL); data center; voltage regulators", "min_kva": 10, "max_mva": 1300, "product_range": "Distribution 10 kVA to 10 MVA; medium power up to 250 MVA; large power up to 1,300 MVA; HVDC converter up to 750 MVA", "max_kv": 1100, "voltage_classes": "large power up to 1,100 kV; HVDC converter up to ±1,100 kV; medium power up to 300 kV; distribution 230 V to 33 kV", "plants": "Nuremberg, Germany; Dresden, Germany; Weiz, Austria; Linz, Austria; Zagreb, Croatia; Trento, Italy; Jundiai, Brazil; Tenjo, Colombia; Guanajuato, Mexico; Guangzhou, China; Wuhan, China; Jinan, China; Charlotte, North Carolina, United States (first LPT plant, production planned from 2026)", "plant_countries": "Germany; Austria; Croatia; Italy; Brazil; Colombia; Mexico; China", "eu_plant": true, "capacity_expansion": "$150M LPT factory, Charlotte, North Carolina, announced 2024-02-14, first transformers planned early 2026, ~600 jobs; part of $1B US manufacturing plan announced 2026-02-03 that expands Charlotte LPT making and servicing; ~EUR220M Nuremberg, Germany factory expansion, announced 2025-09-05, ~50% more capacity by 2028", "expansion_musd": 150, "expansion_region": "US and EU", "certifications": "ISO 9001 (all transformer plants)", "data_center_offer": true, "data_center_product": "Distribution transformers marketed for data centers; data center industry solutions page", "hq_country": "Germany", "hq_region": "Europe", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.siemens-energy.com/global/en/home/products-services/product-offerings/transformers.html", "title": "Siemens Energy: Transformers", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "max_mva", "min_kva", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.siemens-energy.com/global/en/offerings/power-transmission/portfolio/transformers/power-transformers.html", "title": "Siemens Energy: Power transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "product_range", "transformer_types", "voltage_classes" ] }, { "url": "https://assets.siemens-energy.com/dam/6813d44e-8a11-47a5-bef3-b13a00f783df/Power-Transformers-Brochure_SE-Final-pdf_Original%20file.pdf", "title": "Siemens Energy: Power transformers brochure (30 to over 1,300 MVA)", "accessed": "2026-11-11", "fields": [ "certifications", "eu_plant", "plant_countries", "plants" ] }, { "url": "https://siemens-energy.com/global/en/home/press-releases/siemens_energy_addresses_shortage_US_powertransformers_invests_new_factory.html", "title": "Siemens Energy: $150M new US power transformer factory (14 Feb 2024)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "plants" ] }, { "url": "https://www.siemens-energy.com/us/en/home/press-releases/siemens-energy-is-investing--1-billion-and-creating-highly-skill.html", "title": "Siemens Energy: $1 billion US investment (3 Feb 2026)", "accessed": "2026-11-11", "fields": [ "capacity_expansion" ] }, { "url": "https://www.siemens-energy.com/global/en/home/press-releases/siemens-energy-invests--220-million.html", "title": "Siemens Energy: EUR220 million for Nuremberg transformer factory (5 Sep 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "sieyuan-electric", "name": "Sieyuan Electric", "url": "https://en.sieyuan.com/", "summary": "Shanghai-based grid equipment maker that builds liquid-immersed power transformers up to 750 kV and 1,250 MVA on Toshiba core technology, plus gas-insulated and dry-type units, and has shipped 138 kV transformers to a Texas data center.", "hq": "CN", "tags": [ "Dry-type", "Power", "Distribution", "Data center" ], "fields": { "transformer_types": "power; gas-insulated; dry-type; cast resin; reactors; earthing transformers; solar/wind (renewable); data center", "max_mva": 1250, "product_range": "Liquid-immersed power up to 1,250 MVA; gas-insulated power 110-220 kV up to 80 MVA; dry-type distribution", "max_kv": 750, "voltage_classes": "liquid-immersed up to 750 kV; gas-insulated 110 kV and 220 kV", "plants": "Changzhou, China (Changzhou Sieyuan Toshiba Transformer)", "plant_countries": "China", "certifications": "ISO 9001; ISO 14001; ISO 45001; built to IEC, IEEE, ANSI, CSA", "data_center_offer": true, "data_center_product": "175 MVA, 138 kV power transformers for a Texas data center (CST, 5-month lead time); 22 kV cast resin dry-type for a Thailand data center", "hq_country": "China", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://en.sieyuan.com/products/liquid-immersed-power-transformer", "title": "Sieyuan Electric: Liquid-immersed power transformer", "accessed": "2026-11-11", "fields": [ "certifications", "data_center_offer", "data_center_product", "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://en.sieyuan.com/products/gas-insulated-power-transformers", "title": "Sieyuan Electric: Gas-insulated power transformer (search listing)", "accessed": "2026-11-11", "fields": [ "product_range", "transformer_types", "voltage_classes" ] }, { "url": "https://en.sieyuan.com/", "title": "Sieyuan Electric: Home", "accessed": "2026-11-11", "fields": [ "data_center_offer" ] }, { "url": "https://cdn.asp.events/CLIENT_CL_EE_E92EC48A_9F42_8E1E_7106D5CAFEEF513B/sites/enlit-europe-2023/media/libraries/exhibitor-brochures/33765-2023-Sieyuan-Brochure.pdf", "title": "Sieyuan Electric: company brochure (2022 edition)", "accessed": "2026-11-11", "fields": [ "certifications", "hq_country", "hq_region", "transformer_types" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "tamini", "name": "Tamini Trasformatori", "url": "https://www.tamini.it/en/", "summary": "Italian manufacturer of power and industrial transformers. Its catalog lists conventional units up to 900 MVA and 550 kV, and phase-shifting transformers with throughput ratings up to 1,800 MVA.", "hq": "IT", "tags": [ "GSU", "Power", "EU plant" ], "fields": { "transformer_types": "power; GSU; autotransformer; phase-shifting; reactor; rectifier/industrial; distribution", "max_mva": 1800, "product_range": "Conventional power/GSU up to 900 MVA; phase-shifting transformer throughput up to 1,800 MVA (a different rating basis); industrial MV/MV up to 100 MVA", "max_kv": 550, "voltage_classes": "Power and phase-shifting product scope through 550 kV; industrial MV/MV through 52 kV", "plants": "five production plants in Italy, including Ospitaletto (Brescia) and Legnano", "plant_countries": "Italy", "eu_plant": true, "hq_country": "Italy", "hq_region": "Europe", "segment": "Power" }, "sources": [ { "url": "https://www.key-expo.com/restricted-assets/digital-profiles/01_ATTACHMENTS/KEN26/TAMINI-POWER-APPLICATIONS-691dbfbe5ba24.pdf.pdf", "title": "Tamini: Power applications brochure", "accessed": "2026-11-11", "fields": [ "segment" ] }, { "url": "https://environdec.com/library/epd958", "title": "EPD International: Tamini Trasformatori EPD", "accessed": "2026-11-11", "fields": [ "eu_plant", "hq_country", "hq_region", "plant_countries", "plants" ] }, { "url": "https://www.tamini.it/wp-content/uploads/2025/11/Tamini_Green-Solutions_EN_November-2025.pdf", "title": "Tamini: November 2025 catalog, conventional ratings and phase-shifter throughput", "accessed": "2026-11-11", "fields": [ "max_mva", "transformer_types", "product_range", "max_kv", "voltage_classes" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "tatung", "name": "Tatung", "url": "https://www.tatung.com/en/Home/Business/43", "summary": "Taiwanese manufacturer of oil-immersed power transformers up to 1,000 MVA and 500 kV, alongside padmounted and cast resin products.", "tags": [ "Power", "Distribution" ], "fields": { "segment": "Power and distribution", "transformer_types": "power; distribution; pad-mount; cast resin; furnace", "max_mva": 1000, "max_kv": 500, "product_range": "Oil-immersed power transformers up to 1,000 MVA; furnace transformers up to 70 MVA; padmounted and cast resin products", "voltage_classes": "Power transformers through 500 kV; furnace transformers through 33 kV", "plants": "Dayuan (Tayuan), Taoyuan, Taiwan", "plant_countries": "Taiwan", "certifications": "125 MVA, 132 kV power transformer: KEMA type test and short-circuit test certificates (2018)" }, "sources": [ { "url": "https://www.tatung.com/en/Home/Business/43", "title": "Tatung: heavy electrical manufacturing and capabilities", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries", "certifications" ] }, { "url": "https://www.tatung.com/en/Products/Index/22", "title": "Tatung: heavy electrical product portfolio", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "product_range" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "tbea", "name": "TBEA", "url": "https://www.tbea.com/", "summary": "Chinese power equipment group whose four transformer factories build 1,000 kV AC generator transformers, ±1,100 kV DC converter transformers, traction, distribution and dry-type units, with a data center line of dry-type and 110 kV step-down transformers.", "hq": "CN", "tags": [ "GSU", "HVDC", "Dry-type", "Power", "Distribution", "Data center" ], "fields": { "transformer_types": "power; GSU; HVDC; substation; distribution; dry-type; traction; reactors (oil-immersed); mobile substation; solar/wind (renewable); data center; amorphous alloy", "max_mva": 1230, "product_range": "GSU units listed from 330 kV to 1,000 kV, largest model SFP-JT-1230000/750 (1,230 MVA field-assembled); distribution and dry-type (no range published)", "max_kv": 1100, "voltage_classes": "1,000 kV AC; ±1,100 kV DC converter", "plants": "Shenyang, China (TBEA Shenyang Transformer Group); Hengyang, China; Xinjiang, China; Tianjin, China", "plant_countries": "China", "data_center_offer": true, "data_center_product": "Data center solution: 10 kV amorphous alloy dry-type transformer and 110 kV step-down transformer", "hq_country": "China", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.tbea.com/product_list/12.html", "title": "TBEA: Transformer products", "accessed": "2026-11-11", "fields": [ "max_mva", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.tbea.com/", "title": "TBEA: Home (±1,100 kV DC converter transformer)", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "transformer_types", "voltage_classes" ] }, { "url": "https://www.tbea.com/solution-detail/24.html", "title": "TBEA: Data center solution", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product", "transformer_types" ] }, { "url": "https://www.tbea.com/sites/Satellite?c=Page&cid=1658421975840&d=Touch&pagename=TBEA_EN/Page/ENTemplate/ServiceAndCoopertation/servlet/QuestionSearch", "title": "TBEA: FAQ (search listing: transformer factories)", "accessed": "2026-11-11", "fields": [ "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "toshiba", "name": "Toshiba Energy Systems & Solutions", "url": "https://www.global.toshiba/ww/products-solutions/transmission.html", "summary": "Toshiba's energy unit builds oil- and ester-immersed power transformers up to 1,200 kV and 1,500 MVA, gas-insulated transformers and shunt reactors at Hamakawasaki in Japan and at TTDI in Hyderabad, India, and is investing 55 billion yen to double that capacity by FY2030.", "hq": "JP", "tags": [ "Power" ], "fields": { "transformer_types": "power; gas-insulated; phase-shifting; shunt reactor; HVDC (AC-DC converter); rectifier/industrial; furnace; test transformers", "max_mva": 1500, "product_range": "Power transformers up to 1,500 MVA (Australian unit lists >150 MVA to 500 MVA single units)", "max_kv": 1200, "voltage_classes": "up to 1,200 kV class", "plants": "Kawasaki (Hamakawasaki Operations), Japan; Hyderabad, India (TTDI); China", "plant_countries": "Japan; India; China", "capacity_expansion": "JPY55B total (JPY20B announced 2024-07 plus JPY35B announced 2025-10-17) for Hamakawasaki, Japan and TTDI, India by FY2027, aiming to more than double combined T&D production capacity by FY2030 vs FY2024 (no US/EU transformer plant found)", "expansion_region": "Other", "certifications": "ISO 14001 (Hamakawasaki)", "parent": "Toshiba Corporation", "hq_country": "Japan", "hq_region": "Asia-Pacific", "segment": "Power" }, "sources": [ { "url": "https://tic.toshiba.com.au/products-and-services/transmission-products", "title": "Toshiba International (Australia): Transmission products", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://tic.toshiba.com.au/energy-solutions/hv-transformers", "title": "Toshiba International (Australia): HV transformers", "accessed": "2026-11-11", "fields": [ "plant_countries", "product_range", "transformer_types" ] }, { "url": "https://www.global.toshiba/content/dam/toshiba/jp/outline/corporate/location/factory/Hamakawasaki_Operations_20260401.pdf", "title": "Toshiba: Hamakawasaki Operations guide (Apr 2026)", "accessed": "2026-11-11", "fields": [ "certifications", "plants", "transformer_types" ] }, { "url": "https://www.global.toshiba/ww/products-solutions/transmission/location.html", "title": "Toshiba: T&D organization and locations", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "plants" ] }, { "url": "https://www.global.toshiba/ww/news/energy/2025/10/news-20251017-01.html", "title": "Toshiba: major investment to boost power T&D equipment production (17 Oct 2025)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "parent", "plant_countries", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "transformers-and-rectifiers", "name": "Transformers and Rectifiers India (TARIL)", "url": "https://www.transformerindia.com/", "summary": "Gujarat-based maker of power transformers from 5 MVA to 1,000 MVA up to 1,200 kV, plus shunt reactors, furnace, rectifier and distribution transformers, doubling capacity to about 75,000 MVA a year.", "hq": "IN", "tags": [ "Power", "Distribution" ], "fields": { "transformer_types": "power; autotransformer; shunt reactor; distribution; rectifier/industrial; solar/wind (renewable)", "min_kva": 250, "max_mva": 1000, "product_range": "Power transformers 5-1,000 MVA; distribution 250-10,000 kVA up to 33 kV; shunt reactors to 135 MVAr at 765 kV", "max_kv": 1200, "voltage_classes": "up to 1,200 kV (Moraiya); Changodar to 220 kV, 200 MVA; Odhav to 66 kV, 10 MVA", "plants": "Moraiya, Gujarat, India; Changodar, Gujarat, India; Odhav, Gujarat, India", "plant_countries": "India", "capacity_expansion": "Capacity rising from about 40,000 to 75,000 MVA a year: 22,000 MVA at Moraiya (EHV) and 15,000 MVA at Changodar (operations from Q2 FY27); about Rs 600 crore capex over 15 months incl. backward integration; FY26 output about 33,000 MVA", "expansion_region": "Other", "hq_country": "India", "hq_region": "Asia-Pacific", "segment": "Power and distribution" }, "sources": [ { "url": "https://transformerindia.com/products/transformer", "title": "TARIL: Power transformers", "accessed": "2026-11-11", "fields": [ "max_kv", "max_mva", "min_kva", "product_range", "segment", "transformer_types", "voltage_classes" ] }, { "url": "https://www.transformerindia.com/infrastructure", "title": "TARIL: Manufacturing facilities", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "plant_countries", "plants", "voltage_classes" ] }, { "url": "https://www.tndindia.com/taril-achieves-highest-ever-annual-production-in-fy26/amp/", "title": "T&D India: TARIL achieves highest-ever annual production in FY26", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "virginia-transformer", "name": "Virginia Transformer", "url": "https://www.vatransformer.com/", "summary": "US manufacturer of liquid-filled power and dry-type transformers. Its current overview lists shell-type units to 500 MVA, while its company history states family capability to 1,400 MVA.", "hq": "US", "founded": 1971, "tags": [ "GSU", "Pad-mount", "Dry-type", "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; GSU; substation; shell-type; distribution; pad-mount; dry-type; VPI; rectifier/industrial; data center", "min_kva": 300, "max_mva": 1400, "product_range": "Current overview: core-type 300 kVA-400 MVA at 525 kV; shell-type 60-500 MVA at 500 kV; dry-type 300 kVA-20 MVA at 35 kV. Company history separately claims family capability up to 1,400 MVA, 500 kV; product-specific availability requires confirmation.", "max_kv": 525, "voltage_classes": "core-type to 525 kV class; shell-type to 500 kV; dry-type to 35 kV", "plants": "Roanoke, Virginia, United States; Troutville, Virginia, United States; Pocatello, Idaho, United States; Rincon, Georgia, United States; Chihuahua, Mexico (two plants); Colbert County, Alabama, United States (planned 2028)", "plant_countries": "United States; Mexico", "us_plant": true, "eu_plant": false, "capacity_expansion": "$40M Rincon, Georgia plant expansion, announced 2025-11-20, +50% capacity, completion March 2027, 400 jobs; new 600,000 sq ft power transformer plant (2-500 MVA), Colbert County, Alabama, announced 2026-05-19, first production January 2028, about 1,100 jobs", "expansion_musd": 40, "expansion_region": "US", "data_center_offer": true, "data_center_product": "E2D data center transformer; multiple data center contracts (Arizona, Ohio, Texas, South Carolina) for 2026-2027 delivery, announced 2025-01-15", "hq_country": "United States", "hq_region": "North America", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.vatransformer.com/about-us/", "title": "Virginia Transformer: About us and history", "accessed": "2026-11-11", "fields": [ "eu_plant", "hq_country", "hq_region", "max_kv", "max_mva", "min_kva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "us_plant", "voltage_classes" ] }, { "url": "https://www.vatransformer.com/virginia-transformer-announces-plan-to-further-expand-with-new-greenfield-plant/", "title": "Virginia Transformer: new greenfield plant in Colbert County, Alabama", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "plants" ] }, { "url": "https://www.areadevelopment.com/newsitems/4-25-2026/virginia-transformer-rincon-georgia.shtml", "title": "Area Development: Virginia Transformer expands Rincon, Georgia, production", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region" ] }, { "url": "https://www.vatransformer.com/data-center/", "title": "Virginia Transformer: Data center", "accessed": "2026-11-11", "fields": [ "data_center_offer", "data_center_product" ] }, { "url": "https://www.businesswire.com/news/home/20250115230688/en/Virginia-Transformer-Awarded-Multiple-Data-Center-Contracts", "title": "Business Wire: Virginia Transformer awarded multiple data center contracts", "accessed": "2026-11-11", "fields": [ "data_center_product" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "voltamp", "name": "Voltamp Transformers", "url": "https://www.voltamptransformers.com/", "summary": "Indian maker of power, distribution and dry-type transformers in Vadodara, Gujarat, with about 14,000 MVA a year of capacity and a new 220 kV plant for units up to 250 MVA.", "hq": "IN", "tags": [ "Dry-type", "Power", "Distribution" ], "fields": { "transformer_types": "power; distribution; oil-filled; ester-filled; cast resin; resin-impregnated dry-type", "max_mva": 250, "product_range": "Current oil-filled product page: power/distribution up to 160 MVA, 220 kV; cast resin 25-12,500 kVA at up to 33 kV; Jarod project announced for up to 250 MVA, 220 kV (2024-25 annual report)", "max_kv": 220, "voltage_classes": "up to 220 kV class", "plants": "Makarpura, Vadodara, India; Savli, Vadodara, India; Jarod, Vadodara, India (company reports operations began 7 October 2026)", "plant_countries": "India", "capacity_expansion": "Rs 200 crore Jarod EHV plant, 6,000 MVA/yr first phase, full operation from 2026-10; Rs 90 crore dry-type plant near Vadodara adding 2,300 MVA/yr, 12-14 months after approvals", "expansion_region": "Other", "hq_country": "India", "hq_region": "Asia-Pacific", "segment": "Power and distribution", "min_kva": 25 }, "sources": [ { "url": "https://www.tndindia.com/voltamp-plans-new-dry-type-transformer-unit-at-vadodara/amp/", "title": "T&D India: Voltamp plans new dry-type transformer unit at Vadodara", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_region", "hq_country", "hq_region", "max_mva", "plant_countries", "segment", "voltage_classes" ] }, { "url": "https://transformers-magazine.com/tm-news/voltamp-to-complete-new-facility-in-2026/", "title": "Transformers Magazine: Voltamp to complete new facility in 2026", "accessed": "2026-11-11", "fields": [ "capacity_expansion" ] }, { "url": "https://www.voltamptransformers.com/userfile/pdf/1793267102_Press_Release_30.09.2026.pdf", "title": "Voltamp: September 2026 results release, Jarod commissioning", "accessed": "2026-11-11", "fields": [ "plants" ] }, { "url": "https://www.voltamptransformers.com/products/oil_filled_transformer", "title": "Voltamp: directly retrieved oil-filled product range", "accessed": "2026-11-11", "fields": [ "product_range", "min_kva", "transformer_types", "max_kv" ] }, { "url": "https://www.voltamptransformers.com/products/cast_resin_transformers", "title": "Voltamp: directly retrieved cast resin range and standards", "accessed": "2026-11-11", "fields": [ "product_range", "min_kva", "transformer_types" ] }, { "url": "https://www.voltamptransformers.com/public/userfile/pdf/1751635237_ANNUAL_REPORT_2024_25.pdf", "title": "Voltamp: annual report 2024-25, announced Jarod 250 MVA/220 kV scope", "accessed": "2026-11-11", "fields": [ "product_range", "max_mva" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "weg", "name": "WEG", "url": "https://www.weg.net/", "summary": "Brazilian electrical group with three transformer factories in Washington, Missouri and sister-company power transformer manufacturing in Mexico. Its verified North American offer reaches 400 MVA and 500 kV.", "hq": "BR", "tags": [ "Power", "Distribution", "US plant", "Data center", "US expansion" ], "fields": { "transformer_types": "power; distribution; GSU; autotransformer; pad-mount; substation", "max_mva": 400, "product_range": "Verified North America offer: distribution/substation up to 10 MVA; Missouri power plant up to 100 MVA, 161 kV; Mexican sister-company station, GSU and autotransformers through 400 MVA, 500 kV", "max_kv": 500, "voltage_classes": "Missouri power plant up to 161 kV; Mexican sister-company offering through 500 kV", "plants": "Washington, Missouri, United States (three operating transformer factories); Mexico (sister-company power transformer manufacturing)", "plant_countries": "United States; Mexico", "us_plant": true, "capacity_expansion": "$77M Washington, Missouri specialty transformer expansion, reported by Ameren 10 October 2025; 1-10 MVA units through 46.5 kV; +50% capacity and 50 jobs; anticipated completion 2028", "expansion_musd": 77, "expansion_region": "US", "hq_country": "Brazil", "hq_region": "Latin America", "segment": "Power and distribution", "data_center_offer": true, "data_center_product": "Washington specialty transformer expansion targets data center, industrial manufacturing and grid applications" }, "sources": [ { "url": "https://weg.us/about-weg-usa/", "title": "WEG Transformers USA: operating factories and North America product scope", "accessed": "2026-11-11", "fields": [ "hq_country", "hq_region", "max_kv", "max_mva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "us_plant", "voltage_classes" ] }, { "url": "https://www.ameren.com/resource-center/dev-weg-transformers", "title": "Ameren: WEG transformer expansion and product scope (directly read)", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "expansion_musd", "expansion_region", "data_center_offer", "data_center_product" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "wilson-power-solutions", "name": "Wilson Power Solutions", "url": "https://www.wilsonpowersolutions.co.uk/", "summary": "Leeds-based family business building power transformers from 5 to 300 MVA up to 400 kV, autotransformers to 500 MVA and low-loss amorphous distribution units, with a new factory in Chennai.", "hq": "GB", "founded": 1946, "tags": [ "Power", "Distribution", "Data center" ], "fields": { "transformer_types": "power; autotransformer; distribution; amorphous; data center", "max_mva": 500, "min_kva": 315, "product_range": "Power transformers 5-300 MVA; autotransformers up to 500 MVA; distribution up to 5 MVA; Wilson e4 amorphous up to 3 MVA; d2 unit type 315 kVA-2.5 MVA", "max_kv": 400, "voltage_classes": "power 33-400 kV; distribution 6.6, 11 and 33 kV primaries", "plants": "Leeds, United Kingdom; Chennai, India (opened 2026-10)", "plant_countries": "United Kingdom; India", "eu_plant": false, "capacity_expansion": "New transformer factory in Chennai, India, opened 2026-10; 10,750 MVA total annual capacity across its supply chain", "expansion_region": "Other", "certifications": "BS and IEC standards; EU Ecodesign Tier 2 distribution transformers; DNO, iDNO and ICP approved d2 range", "data_center_offer": true, "data_center_product": "Two 60/90/120 MVA 132/33 kV continuous-emergency-rated power transformers for the Hemel Hempstead data centre", "hq_country": "United Kingdom", "hq_region": "Europe", "segment": "Power and distribution" }, "sources": [ { "url": "https://www.wilsonpowersolutions.co.uk/", "title": "Wilson Power Solutions: Transformers", "accessed": "2026-11-11", "fields": [ "capacity_expansion", "certifications", "data_center_offer", "data_center_product", "eu_plant", "expansion_region", "hq_country", "hq_region", "max_kv", "max_mva", "min_kva", "plant_countries", "plants", "product_range", "segment", "transformer_types", "voltage_classes" ] } ], "verifiedAt": "2026-11-11", "featured": false }, { "id": "zrew-transformatory", "name": "ZREW Transformatory", "url": "https://the-rsgroup.com/", "summary": "R&S Group manufacturer in Łódź, Poland, building power and industrial transformers up to 120 MVA and 145 kV. A new factory targets a 160 MVA, 220 kV range by the end of 2026.", "tags": [ "Power", "EU plant", "EU expansion" ], "fields": { "segment": "Power", "transformer_types": "power; GSU; furnace; rectifier/industrial", "max_mva": 120, "max_kv": 145, "product_range": "Operating brochure range up to 120 MVA; new factory planned for up to 160 MVA, 220 kV by end-2026", "voltage_classes": "Operating brochure range through 145 kV", "plants": "Łódź, Poland", "plant_countries": "Poland", "eu_plant": true, "parent": "R&S Group", "capacity_expansion": "More than CHF 25 million over two years for new Łódź factory; scheduled to begin operations by end-2026; double capacity and extend range to 160 MVA, 220 kV; announced 4 September 2025", "expansion_region": "EU" }, "sources": [ { "url": "https://the-rsgroup.com/wp-content/uploads/2020/02/ZREW-Transformatory-PL.pdf", "title": "ZREW: manufactured transformer ranges (repair ratings excluded)", "accessed": "2026-11-11", "fields": [ "segment", "transformer_types", "max_mva", "max_kv", "product_range", "voltage_classes", "plants", "plant_countries", "eu_plant" ] }, { "url": "https://ir.the-rsgroup.com/news/rands-group-confirms-major-capacity-expansion-of-power-transformers/927a9a0a-9216-4ad8-a50a-4409139f724a", "title": "R&S Group: ZREW capacity expansion, 4 September 2025", "accessed": "2026-11-11", "fields": [ "parent", "capacity_expansion", "expansion_region", "product_range", "plants" ] } ], "verifiedAt": "2026-11-11", "featured": false } ] }