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A huge battery has replaced [Hawaii]’s last coal plant - https://www.canarymedia.com/articles/energy-storage/a-huge-battery-has-replaced-hawaiis-last-coal-plant - Plus Power’s [Kapolei] battery is officially online. The pioneering project is a leading example of how to shift crucial grid functions from fossil-fueled plants to clean energy -- Now, Kapolei’s 158 Tesla Megapacks are charging and discharging based on signals from utility Hawaiian Electric. The plant’s 185 megawatts of instantaneous discharge capacity match what the old coal plant could inject into the grid, though the batteries react far more quickly, with a 250-millisecond response time. Instead of generating power, they absorb it from the grid, ideally when it’s flush with renewable generation, and deliver that cheap, clean power back in the evening hours when it’s desperately needed -- {tags: Company}
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