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Rover222today at 4:35 PM1 replyview on HN

Large-scale battery storage is already expanding rapidly, and is way cheaper than pumped storage.


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bryanlarsentoday at 4:44 PM

pumped storage is still significantly cheaper for seasonal storage. The cut off is about 2 weeks now -- if you need to pull from storage more than twice a month batteries are cheaper. If you need to pull from storage less than twice a month pumped storage is cheaper.

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