Iberdrola signs 200 GWh/year PPA to power 25 MW green hydrogen plant at Castellón refinery

Type: Ppa · Technology: Hydrogen · Country: Spain · Announced: 2026-07-01

Iberdrola signed a power purchase agreement to supply 200 GWh per year of renewable electricity to the 25 MW electrolyzer at the Castellón Green Hydrogen plant. The electricity will be sourced from Iberdrola’s solar and wind assets in Spain. The PPA enables the electrolyzer to produce green hydrogen that meets EU RFNBO standards. The agreement supports the transition of the BP refinery to integrated energy production. The deal underscores Iberdrola’s strategy to expand its renewable off‑take portfolio for industrial customers.

Analysis

Iberdrola announced a power purchase agreement on 2026-07-01 to supply 200 GWh per year of renewable electricity to the 25 MW electrolyzer at the Castellón Green Hydrogen plant in Spain. Castellón Green Hydrogen S.L. is a Spanish joint venture company established by BP and Iberdrola in 2022 to develop a green hydrogen production plant in Castellón, Spain. Iberdrola is a global energy leader focused on renewable energy development and operation. The PPA enables the electrolyzer to produce green hydrogen that meets EU RFNBO standards. The electricity will be sourced from Iberdrola’s solar and wind assets in Spain.

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