Fusion Fuel Green PLC, together with its subsidiaries, manufactures and sells miniaturized PEM electrolyzers to produce green hydrogen in Portugal, Spain, and rest of southern Europe. The company offers HEVO-Chain, a centralized PEM electrolyzer; and HEVO-Solar, a grid-independent hydrogen generator. It also provides engineering and procurement services; FEL I, II, and III studies; construction and legalization services; and operation and maintenance services. In addition, the company is involved in hydrogen project development. It serves natural gas networks and grids, oil refineries, ammonia producers, regulators, and related government departments. Fusion Fuel Green PLC was founded in 2018 and is based in Dublin, Ireland.