Byline: Emily Gosden Energy Editor

One of Britain's biggest gas storage sites could be converted to hold hydrogen, under plans being drawn up by SSE and Equinor.

The FTSE 100 energy group and the Norwegian state-controlled oil and gas giant jointly own the Aldbrough site on the east Yorkshire coast, which started operation in 2011 and stores natural gas in nine underground salt caverns.

The companies said they were now working on plans either to convert the site to store hydrogen or develop new hydrogen storage caverns alongside the existing facilities.

The hydrogen storage site would initially be used to help secure supplies for the companies' proposed world-first hydrogen-fuelled power plant at Keadby in north Lincolnshire.

The...