H-Power plc engages in the development of ammonia-based low carbon hydrogen production and hydrogen-to-power solutions in the United Kingdom. It operates through Sales of fuel cell generators and Rental segments. The company provides an H-Power Tower, an S series fuel cell generators; and L series fuel cell generators. It is also developing an H-power generator – S series fuel cell, a modular compact; H-power generator S+ series fuel cell diesel generator alternative; ammonia cracker, a technology to convert ammonia into hydrogen; and a methanol fuel tower, a technology solution for conversion of carrier fuel methanol into hydrogen. In addition, the company provides various support solutions, including the supply of hydrogen, ammonia or methanol; consultation on fuel consumption and logistics requirements; arranging the sourcing, supply, and delivery of the fuel of choice; consultation or supply of on-site fuel storage; consultation and design of the full power solution based on the application; arrangements to supply, deliver, and connect battery energy storage technology; technical integration of technologies, such as battery, fuel cell, fuel conversion, and fuel storage; monitoring and optimization for the full system; on-site installation, commissioning, and decommissioning; on call maintenance from field support team; and operating guidelines and on-site briefing services. It offers products for use in various applications, such as maritime, construction, data centers, outdoor events, EV charging, and rail sectors. The company was formerly known as AFC Energy plc and changed its name to H-Power plc in May 2026. The company was incorporated in 2006 and is based in Cranleigh, the United Kingdom.