ITM Power Plc designs, manufactures and integrates electrolysers based on proton exchange membrane (PEM) technology to produce green hydrogen using renewable electricity and water; its core products include the TRIDENT PEM electrolyser stack technology, NEPTUNE II and NEPTUNE V autonomous 2 megawatt and 5 megawatt plug-and-play green hydrogen plants for small- to mid-scale projects, POSEIDON 20 megawatt modular units for large-scale applications, ALPHA 50 full-scope 50 megawatt plants combining technology, manufacturing and deployment, and Hydropulse launched in June 2025 for industrial users with reliable hydrogen needs. The company serves sectors including energy storage and grid balancing via electricity peaking plants, mobility with clean fuels for ships, trucks, cars and aviation, and industry applications in steel, cement, aluminium, paper, food, chemicals, metallurgy, glass, plastics, fertiliser and fuel refining. Founded in 2000 and headquartered in Sheffield, England, ITM Power Plc listed on the AIM market of the London Stock Exchange in 2004 and operates primarily in Europe with facilities in Sheffield and an office in Germany, delivering several 100-megawatt-scale plants worldwide. In November 2025, Stablegrid Group selected ITM Power as technology partner for two grid-balancing energy infrastructure projects in Germany totalling 710 megawatts of electrolyser capacity, including a 30-megawatt NEPTUNE V plant at Rüstringen with final investment decision expected in 2026 and a 680-megawatt indoor facility advancing to pre-FEED in January 2026. The company also operates the ITM Linde Electrolysis joint venture established in 2020 for industrial-scale green gas solutions and reported record first-half revenue with a robust cash position in its December 2025 trading update.