Ist Power Limited

iST POWER LIMITED is a UK-based manufacturer of high-performance transformers, reactors, and wound components—serving critical infrastructure and industrial applications for over 30 years. With advanced manufacturing facilities in Manchester and Leicester, we specialise in bespoke solutions including earthing transformers, auxiliary transformers, reactors, and isolation units. Our products are designed to meet rigorous standards and are trusted by leading utilities, DNOs, and industrial clients across the UK and internationally. Our team provides full lifecycle support—from engineering design and simulation through to testing, commissioning, and aftercare. We are ISO 9001 and ISO 14001 certified, and partner with academic institutions to drive innovation in power technology. If you're working in power networks, renewables, defence, rail, data or electrical battery storage environments, iST POWER is your trusted partner for reliable solutions. Leicester & Manchester, UK | sales@istpower.com |+44 (0) 161 428 9507