Transformer Insulation and Components

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.

Register now

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.

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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.

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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.

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The world's broadest portfolio of safe and reliable transformer insulation and components

Transformers are essential parts of our electric power infrastructure. Transformer components, such as bushings, tap-changers, insulation, accessories, and other transformer consumables, are essential parts of ensuring that transformers operate reliably and safely.

We are continually addressing major transformer technology trends and market challenges in the transformer industry with innovative products that meet or surpass the demanding requirements of today's transformer customers and transformer standards. As a leading component manufacturer, Hitachi Energy is active in the research and development of competitive products that improve equipment safety, power reliability, and efficiency while, at the same time, minimizing environmental impact.

We offer the broadest range of transformer insulation and components products and services to original equipment manufacturers and distributors for power and distribution transformers. From replacements to upgrades and mechanical to digital, we have been the supplier of choice for over 100 years by meeting the diverse needs of an evolving industry.

Our offering

Transformer Bushings

Composite insulators

Tap-changers

Measurement and Monitoring Devices

De-energized tap-changers and switches

Protection and Safety Devices

Preservation and Mechanical Accessories

Insulation components and materials

Interactive tools

Ordering data software for tap-changers and motor-drives

As a transformer designer, you constantly face the challenge of choosing the right accessories for the transformers.

Tap-changer and bushing selection program Compas

Selecting components can be a challenging task for transformer design engineers, especially during the tendering stage as time can be of the essence.

Bushing searches and Certified Test Reports

Hitachi Energy has introduced many online utilities to facilitate your search for transformer bushings.

Customer log-in for the Alamo Power Transmission Online

Check your order history to see if any orders have been shipped out instantly.

Alamo Vendor Online

Welcome to the Alamo Tennessee Vendor Information Online

Gas Detector Relay (GDR) Test Report Search

Search for GDR test reports by serial number

Zenox Assembly Quote Request Form

Request for a Zenox Assembly quotation

Get to know more

Delivery times for transformer insulation and components

Delivery information is available for tap-changers and bushings from our different production sites.

Transformer insulation and components brochure

The world's broadest and most reliable portfolio of transformer insulation and components.

Transformers

Hitachi Energy offers distribution and power transformers, Dry-type and EconiQ™ Transformers as well as services, for industrial and commercial applications.