this post was submitted on 20 Nov 2023
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This Southern California solar farm is using retired EV batteries for storing the power and then send to the grid when needed. This way the retired batteries can extend their usefulness for several... (grist.org)
submitted 1 year ago by L4s@lemmy.world to c/technology@lemmy.world
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This Southern California solar farm is using retired EV batteries for storing the power and then send to the grid when needed. This way the retired batteries can extend their usefulness for several...::A Southern California company is showing how repurposing EV batteries for stationary storage can extend their usefulness for several years.

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[–] otter@lemmy.ca 29 points 1 year ago (1 children)

Yea, with a car you can't really use them once the range gets low enough

With this, a bunch of batteries can work together for much longer. You also don't need to worry about weight since they're in one place

[–] NateNate60@lemmy.world 30 points 1 year ago (1 children)

A Tesla Model 3, for example, has a battery capacity of 50 to 82 kWh. Let's assume the lowest capacity of 50 kWh. A car battery is basically unusable long before it has lost around half its capacity. So 25 kWh. American households on average consume 10.6 MWh annually or about 29 kWh per day.

So an old Tesla battery still provides enough electricity to power an American household for nearly an entire day.

[–] pufferfischerpulver@feddit.de 8 points 1 year ago (1 children)

Really puts into perspective what a monumental waste of energy individual traffic, also with electric cars, is as well.

[–] scarilog@lemmy.world 10 points 1 year ago (1 children)

Well, sort of, it's just that any sort of locomotion requires a lot more energy than you might think.

[–] pufferfischerpulver@feddit.de 3 points 1 year ago

Yeah sure. But there's a difference between moving a 2 ton vehicle per person or a bike.