Jan. 4 — The 10 MW/42 MWh lithium-ion energy storage system captures excess solar energy produced at Upton 2 during the day and can release the power in late afternoon and early evening, when energy demand in ERCOT is highest. The battery system can also take advantage of low-priced grid power – during times of high wind output, for example – to charge the batteries to be available for higher-demand periods, explains Luminant.

— Solar Industry

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