Solarpunk technology

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Having to pay for giving solar energy back (reddthat.com)

submitted 2 months ago by Boomkop3@reddthat.com to c/technology@slrpnk.net

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it's weird, but legal for some reason. Giving back energy to the grid can cost money. Shy of just stacking a bunch of batteries, what could I do with the spare summer sunlight?

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[–] evasive_chimpanzee@lemmy.world 2 points 2 months ago (1 children)

Basically, it's the opposite of a water heater. When you have extra energy, you freeze water. When you don't have any extra energy, the ice you made keeps your food cold. How you freeze the water doesn't matter. Most efficiently is a heat pump like a normal fridge, though.

[–] Boomkop3@reddthat.com 2 points 2 months ago

To make ice I'll need a heat pump ye. But I like your thinking! I have much more freezer space than fridge space. This should work!