US-based utility company Southern California Edison (SCE) has signed seven contracts for 770MW of battery-based energy storage capacity to strengthen California’s electric system reliability.
SCE has signed agreements Southern Power, NextEra Energy Resources, TerraGen Power and LS Power to procure the capacity.
The company has signed three 15-year contracts with NextEra Energy Resources for a total capacity of 460MW. It has signed two 20-year contracts with Southern Power for a total capacity of 160MW.
The other contracts include a ten-year contract with TerraGen Power for 50MW capacity and a 15-year contract term with LS Power for 100MW.
A majority of the energy storage projects will be located adjacent to the solar power plant to charge the battery over the term of the contract.
SCE has signed contracts with Southern Power for its Garland and Tranquillity projects that have a capacity of 88MW and 72MW respectively.
NextEra Energy has been contracted for the Blythe 2, Blythe 3 and McCoy projects with a capacity of 115MW, 115MW and 230MW respectively.
On the other hand, TerraGen Power has signed a contract with SCE for its Sanborn project for a capacity of 50MW while LS Power secured contracts for its Gateway 1-2 project.
SCE Energy procurement and management vice-president William Walsh said: “These new emissions-free projects will help us ensure the reliability of the grid for our customers and integrate an ever-increasing amount of clean renewable energy over the next decade.
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