Long-duration energy storage


US green hydrogen hub will put long-haul energy storage to the test

The ACES Delta project in Utah is betting billions of dollars that clean hydrogen can provide months of energy storage. Will it work?

Jeff St. John  . 

Artist’s rendering showing an industrial facility above ground and a large salt cavern underground
An artist’s rendering of the ACES Delta project, with hydrogen electrolyzers above ground and caverns to store the hydrogen they produce below. (ACES)