Established in 1985, GTI Power Generation has become one of the UK's leading designers and manufacturers of diesel generating sets and Battery Energy Storage Systems (BESS). With more than four decades of engineering expertise, we have earned a reputation for delivering dependable, high-performance power solutions, supported by exceptional customer service and technical excellence.

Our success is built on five core principles:

Engineering Excellence – Over 40 years of experience designing and manufacturing reliable power generation and energy storage solutions for a diverse range of industries and applications.
Quality Without Compromise – Every product is engineered to the highest standards, combining proven technology with rigorous quality control to deliver exceptional reliability and performance.
UK Manufacturing – Operating from our modern 60,000 sq ft manufacturing facility, every GTI system is designed, assembled and tested in the UK.
World-Class Components – We partner with leading global manufacturers, including Perkins, Volvo Penta, Mecc Alte, Leroy Somer, Deep Sea Electronics and ABB, ensuring every system is built using proven, industry-leading technology.
Customer-Focused Solutions – From standard generating sets to fully bespoke power and energy storage systems, we work closely with our customers to deliver solutions tailored to their exact operational requirements.

Every GTI product is designed and manufactured in the UK using carefully selected components sourced from trusted UK, European and North American suppliers wherever possible. Whether supplying a diesel generator or an advanced Battery Energy Storage System, our focus remains the same: delivering robust, efficient and dependable solutions that perform in the most demanding environments.

Our experienced engineering, technical and project management teams work collaboratively with customers from initial consultation through design, manufacture, installation and commissioning. This partnership approach ensures every project is delivered to the highest standard and has enabled GTI systems to be successfully deployed across critical infrastructure, industrial, commercial and export markets worldwide.

Our commitment extends well beyond delivery. We provide comprehensive after-sales support throughout the operational life of every installation, offering technical expertise, responsive service and ongoing maintenance to maximise system performance and reliability. By building long-term partnerships with our customers, we continue to provide trusted power solutions that deliver lasting value for decades to come.