Alex Epstein

@AlexEpstein ↗

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Last Checked Feb. 3, 2023

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Wed Jan 25 18:05:21 +0000 2023

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Alex Epstein @AlexEpstein

Musk says that "to power the whole Earth" we need just solar panels and "some batteries." What is "some batteries"? To store a mere 3 days of world energy, to be prepared for weeks (let alone seasons) with lower-than-usual sunlight, takes >1335 terawatt-hours in batteries. https://t.co/sBmfrK8gDP — PolitiTweet.org

Posted Jan. 25, 2023

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Alex Epstein @AlexEpstein

We often hear just a small area of solar panels plus storage batteries can power the world. "Such an obvious move" says @elonmusk about this idea, adding "Even solar plus batteries on a small section of Spain would solve EU energy needs." This is dangerously false. — PolitiTweet.org

Posted Jan. 25, 2023

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Alex Epstein @AlexEpstein

The world uses over 165k TWh of energy annually, or ~1.36 billion MWh in 3 days. 1000 Tesla Megapacks (3916 MWh of storage) have a price over >$1.7 billion. This would mean 3 days of storage using Tesla batteries would cost >$590 trillion. That's 6X world GDP! https://t.co/aKAXXxoMfY — PolitiTweet.org

Posted Jan. 25, 2023