120MW 524MW Battery Energy Storage System in the United States
Idaho Power Company has selected energy storage system integrator Powin Energy to provide a 120MW/524MW battery storage system, the first utility-scale energy storage project in the state.
The projects are scheduled to come online in the summer of 2023. Idaho Power says it will help maintain grid reliability during peak hours, allowing the company to achieve 100 percent clean energy by 2045. It still needs to be approved by regulators and could be split into a 40MW and an 80MW system to be built at two different sites.
A 40MW system could be deployed at the Black Mesa solar facility in Elmore County, while a larger 80MW project could be built at Hemingway, near Melba, although sites for both are still being planned.
"Battery storage allows us to efficiently utilize existing power generation resources, setting the stage for greater use of clean energy for years to come," said Adam Richins, Idaho Power's senior vice president and chief operating officer.
Powin Energy will supply its Stack750 product, part of its Centipede platform, for these projects, which have an average duration of 4.36 hours, with a modular battery storage platform using iron phosphate from CATL lifepo4 battery and EVE lifepo4 battery. The lithium battery has a cycle life of 7300 times and a DC charge-discharge cycle efficiency of 95% for more than 4 hours.
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