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BP and Iberdrola's joint venture, Castellón Green Hydrogen SL, will initiate production at a 25MW green hydrogen plant in Spain by May. The project, located at BP's Castellón refinery, has reached 90% assembly completion with all equipment on site.

This includes a Plug Power PEM electrolyser system. The €70M project will produce up to 2,800 tonnes of green hydrogen annually, displacing grey hydrogen and reducing CO2 emissions by around 23,000 tonnes.

The plant will be powered by renewables under a power purchase agreement with Iberdrola, supported by a €15M subsidy. BP aims for 200MW of electrolysis capacity by 2027 and 2GW by 2030.