Uniper signs partnership to explore hydrogen storage at UK site

  • Gas
  • August 1, 2025

German utility Uniper is exploring the potential development of a salt cavern hydrogen storage facility near Warmingham, Cheshire, in the UK.

Uniper is partnering with British Salt, which owns the mineral rights and has existing operations on the site.

The two companies have signed a feasibility development agreement which gives Uniper the sole rights to explore the site’s potential for hydrogen storage – which could equate to as much as 400GWh across 13 caverns.

The companies will work together to develop designs for the drilling of the first two wells so that they are suitable for the potential development of hydrogen storage caverns.

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