Italian long-duration energy storage developer Energy Dome and Arizona utility Salt River Project (SRP) have agreed to develop a 19-MW, 10-hour energy storage project using carbon dioxide-based battery technology at the site of SRP’s Coronado Generating Station in eastern Arizona.

Italian long-duration energy storage developer Energy Dome and Arizona utility Salt River Project (SRP) have agreed to develop a 19-MW, 10-hour energy storage project using carbon…

The project is expected to come online in 2029 and store enough energy to power around 4,275 homes for 10 hours, Salt River Project said.