Strata Solar will build one of the world’s largest batteries along Southern California’s coast if the plan is approved. What started as a routine gas plant procurement ended as a testament to the changing electrical grid. This week, utility Southern California Edison selected a roster of energy storage projects to supply local capacity needs around the coastal city of Oxnard, instead of the 262-megawatt natural-gas peaker plant it had chosen previously. If regulators give their approval, Strata Solar will build and own a 100-megawatt/400-megawatt-hour system in Oxnard, and dispatch it on behalf of SCE. This system will tie for largest lithium-ion battery in the world when it comes online in December 2020; the AES Alamitos plant of the same size is due around the same time. SCE wants to complement the massive battery with a portfolio of smaller units, ranging from 10 to 40 megawatts, scattered around the area. Developers of those smaller include E.ON, Able Grid, Ormat, AltaGas and Enel. Swell, which aggregates fleets of home batteries into grid assets, won a 14-megawatt contract for behind-the-meter demand response. The unprecedented outcome, in which independent power producer NRG saw its gas plant yanked before the final round of siting […]

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