solrize comments on Switzerland dug a hole the size of two soccer fields to install the world’s most powerful underground battery, able to output 1.2 GW within milliseconds.

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[–] solrize@lemmy.ml -3 points 5 months ago (6 children)

$1 per WH or almost that is pretty terrible. You can get battery systems for 1/4 of that $/WH at Home Depot.

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[–] IrateAnteater@sh.itjust.works 16 points 5 months ago (3 children)

And how much would you have to pay people to take those thousands of Home Depot systems, string them all together, build a facility to hold all this, then hook it to the grid?

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[–] howrar@lemmy.ca 3 points 5 months ago

And how long are those systems expected to last compared to those in the article?

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[–] solrize@lemmy.ml 1 point 5 months ago