Toshiba Energy Systems & Solutions

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 Power

Verified 11 Nov 2026

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1,500MVALargest rating

1,200kVHighest voltage

Facts

Source per value

Segment 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.: Power 1
Transformer types 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.: power; gas-insulated; phase-shifting; shunt reactor; HVDC (AC-DC converter); rectifier/industrial; furnace; test transformers 1
Largest rating MVA 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.: 1,500 1
Smallest rating kVA Smallest published rating, in kVA. Shows how far down the distribution range a maker goes.: Not published
Product range The kVA/MVA range as the maker states it, by product line.: Power transformers up to 1,500 MVA (Australian unit lists >150 MVA to 500 MVA single units) 1
Highest voltage kV Highest voltage class the maker publishes or has delivered, in kV (AC system voltage; HVDC noted under Voltage classes).: 1,200 1
Voltage classes Voltage classes and BIL as the source states them, by product or plant.: up to 1,200 kV class 1
Plants 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.: Kawasaki (Hamakawasaki Operations), Japan; Hyderabad, India (TTDI); China 3
Plant countries 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.: Japan; India; China 2
US plant 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.: Not published
EU plant 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.: Not published
Capacity expansion Announced transformer capacity expansions: amount in the original currency, place, announcement date, target date and output change. US and EU projects first.: 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) 5
Largest US/EU expansion $M Largest single announced US or EU transformer capacity investment, in US$ millions, where the source states a dollar amount. Euro amounts stay in Capacity expansion unconverted.: Not published
Expansion region Where the announced capacity expansions are: US, EU, both, or only elsewhere (Other).: Other 5
Certifications and standards Quality certifications, listings and design standards the source names (ISO 9001, IEEE C57, IEC 60076, EU Ecodesign Tier 2, utility approvals).: ISO 14001 (Hamakawasaki) 3
Data center offer Yes when the maker markets transformers for data centers or has disclosed a data center transformer order. Empty means not found.: Not published
Data center product or order The named data center line, or the disclosed order with value and date.: Not published
Parent or owner Parent company or owner where the source states one.: Toshiba Corporation 5
HQ country Country of the maker's headquarters.: Japan 4
HQ region Region of the maker's headquarters.: Asia-Pacific 4
Legacy brands and names Sourced former names and acquired transformer businesses, retained on the current maker row to avoid duplicate supplier counts.: Not published

Sources

Toshiba International (Australia): Transmission products accessed 2026-11-11
Toshiba International (Australia): HV transformers accessed 2026-11-11
Toshiba: Hamakawasaki Operations guide (Apr 2026) accessed 2026-11-11
Toshiba: T&D organization and locations accessed 2026-11-11
Toshiba: major investment to boost power T&D equipment production (17 Oct 2025) accessed 2026-11-11

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