Ansaldo Thomassen

Heavy-duty gas turbine specialist offering Field Services, Repairs, Parts, Service Agreements, Conversions, Modifications & Upgrades

Ansaldo Thomassen


Together with our parent company Ansaldo Energia and our sister companies PSM and Ansaldo Thomassen Gulf, Ansaldo Thomassen is part of the Multi OEM gas Turbine team. Combining the engineering capacity from our OEM background with the flexibility of an independent service provider we are leading aftermarket service provider for multi-platform OEM gas turbine power plants worldwide.

Based on a past of Manufacturing Associate Agreement with General Electric, Ansaldo Thomassen is today a full service provider with an extensive portfolio of field services, repair capabilities, supply of in-house manufactured spare parts, innovative upgrades, and service agreements. We have everything to serve your Frame 6B, Frame 9E, and Frame 5 and/or Frame 3 heavy-duty gas turbines.

From our headquarters in the Netherlands, and through Ansaldo Energia's local execution centers based in US, Asia and the Middle East, ATH serves customers around the world offering:

  • Spare Parts: Complete range of capital parts for hot gas path, combustion and fuel nozzles, including consumables for E and F-class heavy-duty gas turbines
  • Repairs: Component refurbishment, assessment and lifetime extentions of heavy-duty gas turbine rotors
  • Field Services: On-site inspections and overhauls, gas turbine relocation installation and commissioning
  • Conversions, Modifications, Upgrades (CMU): Solutions focusing on maximizing the performance of your gas turbine by increasing power output, improving heat rate and reducing emissions such as our own Thomassen Dry Low NOx system and Thomassen Control System (TC-7)
  • Service Agreements: Agreements flexibly built around your requirements
  • Gas Turbine Remanufacturing: Factory re-built heavy-duty gas turbines with short lead time and lower investment
  • Training: (Open) Training courses and customized education from specialists. Click here for more info  or here to sign up


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