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Transformers

Hitachi Energy is a global leader in transformers, offering liquid-filled and dry-type transformers, as well as services for complete life-cycle support, including replacement parts and components.

Our portfolio allows utilities, industries, and infrastructure sectors to maximize return on transformer assets by ensuring high reliability and optimized performance while lowering life-cycle costs and environmental impact.

Missed the Transformer Connect Webinar?

📢Fear not! You can watch the exclusive webinar, on-demand! Learn how Hitachi Energy provides services throughout the complete transformer lifecycle. Connect with our leading experts live and learn about the Transformers Service portfolio, Condition Assessment, and Life Extension. 

 

Register now to access unlimited content

Join us in Berlin!

📢 We are participating in the CWIEME Berlin 2025 on June 3-5, 2025!

Explore collaboration opportunities and address the specific requirements of your transformers to deliver safe, reliable, and fast lead times for you and your customers. Transformer Components toward a clean energy transition. 

 

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Join us at Transformer Components Expert Event in Opatija, Croatia!

📢 Register now for a technical seminar event in Opatija, Croatia, on April 2, 2025, and be the first to know the latest news on our full portfolio related to distribution and power transformers components. 

 

 

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Hitachi Energy expands and increases workforce in composite component factory in Piteå, Sweden

📢Great news from Sweden!

Our exciting growth journey in Europe continues with the expansion of our transformer components factory in Piteå, Sweden. With this expansion, we enhance our operational efficiency by adding new production lines and significantly increasing our factory workforce.

 

Read the press release

Hitachi Energy to supply 360 RESIBLOC Rail traction transformers to Siemens Mobility for Munich’s new S-Bahn trains

🌟We have achieved a significant milestone for the railway industry! 

Hitachi Energy has secured a significant order from Siemens Mobility GmbH to deliver 360 RESIBLOC® Rail onboard traction transformers to upgrade the S-Bahn München rolling stock in the Bavarian region, Germany.

 

Read the full story
Feierliche Vertragsunterzeichnung zwischen Siemens Mobility und Hitachi Energy (Quelle: Weishart/Siemens Mobility)

Hitachi Energy advances toward carbon neutrality in its transformer operations in Figeholm, Sweden

🌱Advancing carbon-neutrality in transformer operations

Hitachi Energy is investing and executing a new renewable energy generation plant in our HUB Europe’s Insulation & Components factory in Figeholm, Sweden, as part of our commitment to accelerating the clean energy transition, and this starts with our own operations aiming to become carbon-neutral by 2030.

 

Read the press release
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SEGMENTS & APPLICATIONS

Markets we serve

Energy Generation

Energy Generation

Hitachi Energy is the world's largest power transformer manufacturer, with 1000+ units delivered annually from 13 factories worldwide.

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Aerial view of a high voltage substation.

Energy Distribution

Energy Distribution

Hitachi Energy has a worldwide footprint of distribution transformer manufacturing facilities, which gives us unparalleled global coverage and knowledge of local specifications and regulations, making Hitachi Energy the ideal partner, whether the requirements are local or global.

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Aerial view. High voltage metal post. High-voltage towers in the forest.

Energy Transmission

Energy Transmission

The transformer's ability to carry the current to match or slightly exceed its power rating is the only measure of quality. Hitachi Energy's performance is exemplary.

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Transformers for Data Centers

Transformers for Data Centers

Hitachi Energy offers a complete range of liquid-filled and dry-type transformers for data center application as well as services and replacement components.

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Complete electrification and grid integration in Marine

Transformers for Marine

Transformers for Marine

Hitachi Energy is a leading global manufacturer of dry-type and liquid-filled distribution transformers and converter transformers specifically designed to meet the requirements of marine applications.

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Transformers for oil,gas and chemicals

Transformers for oil,gas and chemicals

Hitachi Energy is a leading global manufacturer of dry-type and liquid-filled transformers specifically designed to meet the requirements of oil, gas and chemical industry.

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Transformers for Railway

Transformers for Railway

Hitachi Energy offers a complete range of liquid-filled and dry-type transformers for railway applications, as well as services and replacement components.

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Solar photovoltaic panels, photovoltaic power stations

Transformers for Solar

Transformers for Solar

Hitachi Energy offers a complete range of liquid-filled and dry-type transformers for solar power applications as well as components, replacement parts and services.

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offshore windmill park with clouds and a blue sky, windmill park in the ocean aerial view with wind turbine Flevoland Netherlands Ijsselmeer. Green energy

Transformers for offshore wind power

Transformers for offshore wind power

Hitachi Energy offers a complete and qualified portfolio – OceaniQ™ – for offshore wind power, from wind turbine generation to the collecting substation, specifically designed for harsh environments

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Transformers for onshore wind power

Transformers for onshore wind power

Onshore wind power is a well-established, highly successful, and attractive technology for producing large amounts of clean and reliable renewable energy

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FEATURED OFFERING

Transformers portfolio

OceaniQ™: Transformers for floating applications​
EconiQ™ Transformers
EconiQ® Transformers
TXpert™ Ecosystem
Hitachi Energy's power transformers
Power Transformers
Distribution Transformers
Dry-type distribution transformers
Special application transformers
Reactors and inductors
Transformer service
Transformer Insulation and Components

ACTIVITIES & INSIGHTFUL MATERIALS

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Energy & Transformer Days

Energy & Transformer Days

Flagship event that we are hosting for 20 years in different cities across the globe

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Transformer Connect

Transformer Connect

Discover our series of virtual sessions on various trending topics in the industry

Watch now
Newspapers folded and stacked

Editorials

Editorials

Discover all the recent interviews, editorials and papers

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Transformers Sustainability

Transformers Sustainability

Appreciating that our customers have their unique sustainability journeys, EconiQ® transformers places co-creating sustainability solutions at its heart.

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Transformers News

Related News

CUSTOMER STORIES

Read how your industry peers are succeeding with our transformers

What’s their story? How did we enable them to achieve their business goals? What ROI did our solutions help prove? Discover how we work with our customers and partners to enable a sustainable energy future whilst balancing social, environmental and economic value.