What we do - AP4 delivers exceptional customer service, field maintenance and power plant reliability expertise, parts & repair support and upgrade solutions to gas and steam turbine customers around the world.  We’ve assembled the best team of controls, electrical, excitation, and mechanical field engineers to bring solutions to our customers.  Our field service engineers average more than 25 years’ experience, they have the expertise you can count on to keep you operating.

Why we do it – Power plants today face an ever-changing mission profile to which they must adapt rapidly.  They need service providers who can react quickly with the expertise and resources necessary to solve problems and deliver customized solutions.  In a complex and dynamic energy environment, AP4 is dedicated to being your trusted and versatile maintenance solutions partner.

How we do it - To deliver these turnkey critical maintenance solutions, AP4 excels at combining the expertise of the power industry’s best engineers, maintenance, logistics, and repair professionals, with the products and technical support of world class component manufacturers. AP4’s professionals strive to provide innovative solutions to improve the reliability and sustainability of the customers’ existing assets whenever possible and desirable.  We innovate and customize the solution to meet the customer’s expectations.