Controls solutions
AP4 specializes in control system solutions and services to keep your power plant operational
Keeping critical controls running, no matter what
AP4 provides expert control solutions for power generation, including gas and steam turbine, excitation, and LCI/SCF controls parts and support. Our services ensure maximum reliability and availability for the power industry.
Field Services: turbine controls, excitation, and LCI
Expert field services for gas and steam turbine controls ,excitation, and LCI systems—troubleshooting, preventative maintenance, retrofits, and more.
Control system spares, testing, and repair
Turbine, excitation, and BOP controls component testing and repair to ensure reliability and availability of your legacy controls
Controls training
Enhance your turbine and generator controls expertise with our onsite hands-on training courses designed for operators, supervisors, engineers, and technicians.
Control system projects and retrofits
Refurbish, retrofit, or replace obsolete equipment & systems. Solving your toughest challenges and staying ahead of schedule.
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.
AP4 deliver like an OEM, but without the red tape. Their team knows our systems inside out – fast turnaround, dependable parts, and expertise we can trust when the plant’s on the line.
Want to accelerate your performance? Let’s chat.
Our experts are on hand to work with you to solve your operational challenges.
