GE-ALSTOM TRANSACTION Effective 2nd November 2015, GE acquired Alstom’s energy businesses. The Alstom content available on this site is for information purposes only.
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Power Transformers Services

When working with large power transformers, attention to small details is very important.

Alstom Grid Service teams provide specialized technical services covering the complete life cycle of your transformer.

We undertake extensive on-site investigations and repairs when required and modernize more mature transformers replacing key components with modern equivalents.

Asset Maintenance Surveys make a significant contribution towards increasing productivity. Failures can be prevented by non-intrusive visual inspections to determine equipment condition.

Our range of services: 

Remote monitoring (MS 3000) 

  • 24h/24h access by our experts to your transformer for preventive maintenance
  • Especially suitable for substations which require particular attention and have no local personnel on site, such as oil & gas platforms, offshore rigs, power plants, etc.

Spare parts 

  • Recommendation and supply of strategic spare parts for in-house stock
  • Reverse engineering for old products

Transformer life extension & retrofit 

  • Pro-active asset management
  • Tap changer retrofit
  • Cooling system upgrade
  • Accessories upgrades and renovation
  • Oil changing

On-site intervention 

  • Erection & Commissioning
  • On-site maintenance & repair
  • On-site upgrade/refurbishment
  • Technical audits
  • Emergency support

Diagnosis and expertise 

  • Inspection and testing
  • Upgrade and modernisation:

                        Increase power, safety / Reduce losses, noise / modify voltage levels 


  • Seminars
  • Operators' practical training

 Alstom Grid Service