Giant underground battery is a $1B clean energy solution | Hacker News

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		Giant underground battery is a $1B clean energy solution (latimes.com)
		5 points by anyonecancode on Jan 16, 2023 \| hide \| past \| favorite \| 1 comment

gardenfelder on Jan 16, 2023 [–]

How is works is explained here: https://www.hydrostor.ca/technology/

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