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by abecedarius
691 days ago
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Let's see what that means. There are ~2000 lbs/ton, so 500 tons/second. Search returns "On average, a ton of coal produces 21 to 22 gigajoules of energy." That'd imply about 1 TW worth of coal. https://www.carbonbrief.org/mapped-worlds-coal-power-plants/ says it's 2 TW currently generated, which is (barely) within a factor of two of this. There are ~3e7 seconds in a year, so 1.5e10 tons/year. If a ton is a bit under a cubic meter, this'd be very roughly a cube of >2km on a side. |
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