UK contractor’s trial of solar and hydrogen cuts diesel use by 20,000 litres

Neil Gerrard Senior Editor, Construction Briefing

04 June 2025

Kier is trialling solar panels backed up by green-hydrogen-powered fuel cells on a site in Somerset, UK Kier is trialling solar panels backed up by green-hydrogen-powered fuel cells on a site in Somerset, UK (Image courtesy of Kier)

UK contractor Kier claims to have saved 20,000 litres of diesel during the early trial of solar power with a green hydrogen backup on one of its construction sites.

The trial, undertaken in partnership with the Environment Agency, is running at the Bridgwater Tidal Barrier scheme in Somerset. It is designed to test whether a hybrid energy system combining solar panels and green hydrogen fuel cells can provide a viable off-grid power supply for construction projects, particularly at sites…

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