An Integrated Ecosystem
for a Clean Hydrogen Economy

Building one of Europe’s largest Hydrogen Valleys to drive decarbonisation, innovation and sustainable growth.

A group of three engineers wearing yellow vests and safety helmet look at a planimetry held by the person in the middle. The background is purple with a greenish dot pattern grid. Graphical elements depicting intertwining colored lines, like subway stops, are also present.

About

Hydrogen at scale: the Castilla y León Hydrogen Valley

The Castilla y León Hydrogen Valley project is a co-funded European initiative aimed at developing and demonstrating a large-scale hydrogen ecosystem in the Castilla y León region of Spain. The project integrates applications across mobility,
industry, and energy.

By 2028–2029, Castilla y León Hydrogen Valley aims to be fully operational, proving the financial viability and technical versatility of clean hydrogen as a cornerstone of the energy transition.

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  • 16,889 tonnes / year of clean H2
  • 11 pilots
  • 2000 jobs
  • 35 partners

Pilots

Eleven pilots. One Hydrogen ecosystem

Castilla y Leon Hydrogen Valley includes 11 pilot sites across Castilla y León, each demonstrating a key element of the hydrogen value chain — from production and distribution to end use in transport, industry, and energy. Together, they form an integrated ecosystem proving the versatility and scalability of green hydrogen.

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Map of the region

Latest updates

Follow the journey toward a clean hydrogen future

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