Alstom Turbine Services
Expert controls, electrical, and rotating equipment services for the Alstom® fleet. 30+ years of experience with Alstom® and ABB® equipment
Keeping your critical turbines running, no matter what
AP4 specializes in delivering expert turbine services to owners and operators of Alstom gas and steam turbines. Our OEM-trained engineers, with extensive experience from ABB® and Alstom®, provide specialized services in troubleshooting, maintenance, and upgrades for gas and steam turbines. All powered by HTS, an AP4 company.
Commissioning services
Commissioning solutions for legacy Alstom® power plants, delivered by OEM-trained engineers with unmatched experience and a focus on safety, efficiency, and reliability.
Mechanical services
Comprehensive mechanical support for Alstom gas and steam turbines. Delivering expert maintenance, upgrades, and overhauls to extend equipment life and ensure peak performance.
Alstom capital parts
Reliable sourcing of new and refurbished parts for Alstom® and major OEMs.
Gas turbine component repair services
Gas turbine component repairs, specializing in valve and actuator overhauls, rebuilds, and testing to restore peak performance. Authorized repair center for Voith and ATOs.
Why AP4?
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Expert-led assurance
OEM-trained engineers with decades of experience in turbine controls and excitation systems.
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Fast, focused response
Direct access to decision-makers and same-day action in emergencies.
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Value-driven continuity
Extend asset life and reduce risk without overspending.
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Trusted, tailored delivery
Cutting through complexity to deliver the right parts and solutions without delay.
Want to accelerate your performance? Let’s chat.
Our experts are on hand to work with you to solve your operational challenges.
