Salt Caverns: Gas Storage and Market Share

salt caverns: Storengy, a subsidiary of French energy giant Engie, said it will complete the final five of 20 salt caverns at Stublach in Cheshire this year, according to The Guardian. That will take its market share from around a quarter now to nearly 30%, far larger than other big players in gas storage, such as SSE. The 500m project started in 2007 and has prompted drilling into salt layers 500m deep, adding water to turn it into brine and then painstakingly extracting that over several years to create caverns to hold gas. A little-known firm employing just 50 people has risen to become the UK's biggest player in gas storage. Play Video 0 56 Snowy scenes across UK as 'beast from east' hits video The region has a long history of salt mining, with the voids used for other purposes including records from the National Archive. Catherine Gras, the company's managing director, said I think we need to have gas storage because it is really important for the gas and electricity markets. The first 10 of Storengy's caverns were finished and operational from 2016, and it has since added five more, with a final five due for completion by December. (news.financializer.com). As reported in the news.