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fragmedetoday at 7:13 AM1 replyview on HN

Or plug them into a UPS that charges when it's free but you can run them whenever.


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Gigachadtoday at 8:13 AM

Batteries are massively more expensive. Thats why the utility companies are just giving consumers free power over building their own grid scale batteries.

A tank of water is cheap, it’s just not possible to distribute hot water over the grid. But it’s very realistic to store it locally and use for heating and cooling. Which is the bulk of power usage anyway.

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