At 15/09 Power Engineering Ltd, nearly two decades of high-voltage expertise support the UK’s electrical transmission and distribution sector. Since 2005, the company has specialised in the construction and commissioning of Air Insulated Switchgear (AIS), Gas Insulated Switchgear (GIS), Battery Energy Storage Systems (BESS), and Short Term Operational Reserve (STOR) infrastructure.
Services span the full project lifecycle — from programme planning and tender support to site-based project management and hands-on construction delivery. Operating across both public infrastructure and private networks, 15/09 Power Engineering delivers reliable, high-quality outcomes across the 11kV to 400kV spectrum, with an emphasis on safety, precision, and long-term performance.
But we do more than just build. We provide end-to-end project support — from hands-on construction to expert project and site management, as well as programme planning and tendering services. Whether it’s public infrastructure or private networks, we work across the full voltage spectrum from 11kV to 400kV, helping to shape the future of energy with precision, safety, and efficiency.
