Spain's Largest Green Hydrogen Plant Enters Commissioning Phase

⚡ AI Executive Summary

Iberdrola and bp have completed construction of a 25 MW green hydrogen facility at bp's Castellón refinery in Spain and have initiated commissioning operations. The plant, developed through their joint venture Castellón Green Hydrogen, is expected to begin commercial production before year-end and become Spain's largest operational green hydrogen facility by 2026. The facility represents a significant shift in the region's hydrogen supply chain, moving from grey hydrogen produced via steam methane reforming to electrochemically generated renewable hydrogen. This project exemplifies the European hydrogen transition strategy, directly displacing fossil-derived hydrogen at an industrial refinery and demonstrating the viability of large-scale PEM electrolysis integration into existing energy infrastructure. The scale and funding commitment reflect growing confidence in green hydrogen's competitiveness for hard-to-decarbonize applications, particularly in refining where hydrogen demand is predictable and substantial. Success here could accelerate similar retrofitting across Europe's refinery network.