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Maximize the lifetime value of your assets.

The primary goal of maintenance and having proper spare parts on hand is to extend the life of your assets, prevent failures from ever happening, and eliminate potential damages as quickly and safely as possible.

Routine Maintenance

  • Routine maintenance testing and inspection services and packages, as recommended by the OEM on a regular, annual basis
  • Basic corrective maintenance includes leak repairs, gasket replacements, valve repairs, control equipment replacements, etc.

Advanced Maintenance Services

  • Maintenance undertaken during an outage typically every 3-5 years
  • Includes electrical measurements and testing
  • Tap-changer service package can be customized to include inspection, oil sampling, or maintenance interval services to ensure the reliable operation of your tap-changer
  • Oil services, including drying, degassing, and reclaiming

Spare Parts

  • High-quality spare parts and consumables using original OEM designs
  • Assessment and recommendations on pre-outage and critical spares to have on hand
  • Stock management and asset inventory programs

Browse our Parts & Maintain Portfolio

Routine Maintenance

Hitachi Energy provides preventive actions to be performed on-site that aim to maintain the performance of your transformers.

Advanced Maintenance

Hitachi Energy provides advanced maintenance services for transformers to be performed on-site that aim to extend the life of your assets.

Transformers Parts

Hitachi Energy provides high-quality spare parts and consumables, sub-assemblies, or complete finished products for the maintenance of an existing installation.

Upgrade, Repair, & Extend

Hitachi Energy offers customized solutions to extend the life of your transformers.

EnCompass™ Agreements for Transformer Service

Hitachi Energy offers long-term EnCompass™ Agreements, which combine Transformer services in a modular and flexible way.

Assess & Secure

Hitachi Energy offers online monitoring and asset management solutions, including diagnostic consulting services.

Train & Develop

Hitachi Energy offers training programs to support your maintenance, operations, and engineering teams.


Our Global Service Teams are here to support you anytime!

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Transformer service

Aging assets, rising energy demand, and the critical need to avoid unplanned outages are challenging worldwide utilities and industrials. The service portfolio of Hitachi Energy allows utilities and industrials to maximize the return on transformer assets by ensuring high reliability, reducing life cycle costs, and ensuring optimized performance while lowering environmental impact.
Hitachi Energy Power Transformers


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