# Transformer Vendors

> Compare 60 power and distribution transformer manufacturers by MVA, voltage, factory location and expansion plans. Hyosung publishes 2,250 MVA units; Toshiba, BHEL and TARIL list 1,200 kV capability. 21 makers have verified operating US plants. Each published rating links to a dated source; planned factories and product ranges are identified separately.

Every transformer maker by MVA, kV, plant and expansion, each figure sourced and dated. 60 makers, each field linked to its public source, last verified 2026-11-11.
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## Data
- [Transformer manufacturers, by MVA, kV and plant](https://transformervendors.com/): the full comparison table
- [Data (JSON)](https://transformervendors.com/data.json): every record with sources
- [Data (CSV)](https://transformervendors.com/data.csv): one row per maker
- [Methodology](https://transformervendors.com/methodology/): what each field means and how it is verified

## Makers
- [Acme Electric](https://transformervendors.com/acme-electric/): Hubbell transformer brand producing dry-type distribution transformers and custom magnetics. Its critical power offering includes PDU transformers for data centers.
- [BEST Transformer](https://transformervendors.com/best-transformer/): Turkish manufacturer at Balıkesir with power transformer capability up to 1,250 MVA and 765 kV, including generator, auto, railway and mobile designs.
- [Bharat Bijlee](https://transformervendors.com/bharat-bijlee/): Indian manufacturer of power transformers up to 200 MVA and 220 kV, with a published factory capacity of 18,000 MVA per year.
- [BHEL](https://transformervendors.com/bhel/): 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.
- [Central Moloney](https://transformervendors.com/central-moloney/): 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.
- [CG Power (formerly Crompton Greaves)](https://transformervendors.com/cg-power/): 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.
- [China XD Electric](https://transformervendors.com/china-xd-electric/): 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.
- [DAIHEN](https://transformervendors.com/daihen/): 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.
- [Delta Star](https://transformervendors.com/delta-star/): 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.
- [Eaglerise](https://transformervendors.com/eaglerise/): Manufacturer of pole-mounted, pad-mounted, oil-immersed and cast resin distribution transformers. Its Fort Worth, Texas transformer plant opened in October 2025.
- [Eaton](https://transformervendors.com/eaton/): 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.
- [Efacec](https://transformervendors.com/efacec/): 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.
- [ELSCO Transformers](https://transformervendors.com/elsco/): Cincinnati manufacturer of medium-voltage dry-type transformers with hand-wound copper coils, also offering oil-filled padmount units and emergency replacements.
- [Elsewedy Electric](https://transformervendors.com/elsewedy-electric/): 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.
- [ERMCO](https://transformervendors.com/ermco/): 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.
- [Federal Pacific](https://transformervendors.com/federal-pacific/): 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.
- [Fortune Electric](https://transformervendors.com/fortune-electric/): Taiwanese manufacturer of power, distribution, cast resin and amorphous core transformers. Its published generator step-up portfolio includes a 530 kV, 775 MVA model.
- [Fuji Electric](https://transformervendors.com/fuji-electric/): 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.
- [Giga Energy](https://transformervendors.com/giga-energy/): 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.
- [Hammond Power Solutions](https://transformervendors.com/hammond-power-solutions/): 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.
- [HD Hyundai Electric](https://transformervendors.com/hd-hyundai-electric/): 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.
- [Hitachi Energy](https://transformervendors.com/hitachi-energy/): 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.
- [Howard Industries](https://transformervendors.com/howard-industries/): 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.
- [Hyosung Heavy Industries (Hyosung HICO)](https://transformervendors.com/hyosung-heavy-industries/): 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.
- [ILJIN Electric](https://transformervendors.com/iljin-electric/): 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.
- [IMEFY](https://transformervendors.com/imefy/): 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.
- [IMP Powers](https://transformervendors.com/imp-powers/): Indian manufacturer at Silvassa producing power, EHV, auto, generator and inverter-duty transformers up to 315 MVA and 400 kV.
- [Indo Tech Transformers](https://transformervendors.com/indo-tech-transformers/): 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.
- [Jiangsu Huapeng Transformer (JSHP)](https://transformervendors.com/jiangsu-huapeng/): 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.
- [JST Power Equipment](https://transformervendors.com/jst-power-equipment/): 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.
- [Kolektor Etra](https://transformervendors.com/kolektor-etra/): 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.
- [Končar](https://transformervendors.com/koncar/): 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.
- [LS Electric](https://transformervendors.com/ls-electric/): 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.
- [Maddox Transformer](https://transformervendors.com/maddox/): US manufacturer and remanufacturer supplying padmount, substation, polemount and dry-type transformers. Headquartered in Battle Ground, Washington, with transformer production in South Carolina.
- [Matelec](https://transformervendors.com/matelec/): 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.
- [Meidensha](https://transformervendors.com/meidensha/): 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.
- [MGM Transformers](https://transformervendors.com/mgm-transformer/): 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.
- [Mitsubishi Electric](https://transformervendors.com/mitsubishi-electric/): 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.
- [Olsun Electrics](https://transformervendors.com/olsun/): Richmond, Illinois manufacturer of dry-type transformers, including cast coil, substation, encapsulated, triplex and pad-mounted designs. Its published padmount range reaches 5 MVA.
- [Ormazabal](https://transformervendors.com/ormazabal/): 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.
- [Pauwels Transformers](https://transformervendors.com/pauwels/): Belgian power and distribution transformer manufacturer in Mechelen. Formerly CG Power Systems Belgium, the plant restarted in 2021 under EIC ownership.
- [Pennsylvania Transformer Technology](https://transformervendors.com/pennsylvania-transformer/): 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.
- [Prolec GE (GE Vernova)](https://transformervendors.com/prolec-ge/): 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.
- [Sanil Electric](https://transformervendors.com/sanil-electric/): 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).
- [Schneider Electric](https://transformervendors.com/schneider-electric/): 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.
- [SGB-SMIT Group](https://transformervendors.com/sgb-smit/): 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.
- [Shihlin Electric](https://transformervendors.com/shihlin-electric/): Taiwanese manufacturer supplying North American utilities with power transformers through 300 MVA and 345 kV, plus distribution transformers through 5 MVA and 44 kV.
- [Shilchar Technologies](https://transformervendors.com/shilchar-technologies/): 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.
- [Siemens Energy](https://transformervendors.com/siemens-energy/): 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.
- [Sieyuan Electric](https://transformervendors.com/sieyuan-electric/): 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.
- [Tamini Trasformatori](https://transformervendors.com/tamini/): 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.
- [Tatung](https://transformervendors.com/tatung/): Taiwanese manufacturer of oil-immersed power transformers up to 1,000 MVA and 500 kV, alongside padmounted and cast resin products.
- [TBEA](https://transformervendors.com/tbea/): 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.
- [Toshiba Energy Systems & Solutions](https://transformervendors.com/toshiba/): 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.
- [Transformers and Rectifiers India (TARIL)](https://transformervendors.com/transformers-and-rectifiers/): 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.
- [Virginia Transformer](https://transformervendors.com/virginia-transformer/): 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.
- [Voltamp Transformers](https://transformervendors.com/voltamp/): 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.
- [WEG](https://transformervendors.com/weg/): 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.
- [Wilson Power Solutions](https://transformervendors.com/wilson-power-solutions/): 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.
- [ZREW Transformatory](https://transformervendors.com/zrew-transformatory/): 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.

## Optional
- [All records in one file](https://transformervendors.com/llms-full.txt)
- [Sitemap](https://transformervendors.com/sitemap.xml)