Turbine maintenance and repair

Our turbine plant expertise covers services including small inspections, large overhauls, upgrades and modernisations. As an OEM-independent service provider, our knowledge of the world of steam and gas turbines is comprehensive.

Turbine maintenance services

Longer, care-free life for turbines

Turbines keep power plants running. A strong maintenance partner is crucial to maximising your plant’s output and minimising its risks. Fortum Turbine and Generator Services provides full-scope maintenance services for steam and gas turbines from small inspections to large overhauls, including the required spare parts. We understand the big picture, which allows us to offer our expertise in lifetime assessments as well as maintenance and investment planning. We also have a thoroughly equipped workshop for turbine repairs in Naantali, Finland.


  • Inspections
  • Overhauls
  • Spare parts
  • Expert services


  • Upgrades and repairs
  • Re-blading

Our comprehensive expert services include root cause investigations, lifetime assessments, investment planning and owners engineering. In the event of a failure or a planned modernisation, we provide support for upgrades and repairs performed both on site and at our workshop. Rotor and stator re-blading, seal replacements and other repairs are an integral part of our services, in addition to repairs of old components or deliveries of new ones. Our expertise and references cover all brands of axial steam turbines as well as most GE and Siemens gas turbines.

Watch the customer story on full revision of a steam turbine for Jyväskylän Voima CHP plant in Finland

Operation and maintenance

Case Umeå Energi: Fast reaction to findings prolonged turbine major overhaul by only four weeks

Read the customer story
Turbine generator

What are the most common types of steam turbine failures and how can those best be detected?

Download the white paper

Contact our specialist

Teemu Heinonen

Head of Business Line, Turbines
Tel: +358 50 454 2134
teemu [dot] heinonen [at] fortum [dot] com