this post was submitted on 30 Aug 2023
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[–] rusticus@lemm.ee 2 points 2 years ago (12 children)

A single Tesla powerwall has 13.5kwh of usable energy. An average Tesla car has between 70-100kwh of usable energy. The average American home uses about 30kwh/day (https://www.eia.gov/tools/faqs/faq.php?id=97&t=3). There are about 141 million houses in the US. There are 275 million personal and commercial vehicles in the US. So there would be plenty of capacity once you replace a significant chunk of those vehicles with EV.

Cloudy weeks don't occur over large areas - if you look at solar or wind production over an entire county or state, for example, it varies very little (that's also the advantage of using both sun and wind - when one is bad the other is typically good). So the solution to intermittency is mass adoption.

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