alt Hacker Newswiki article states "Up to 10,000 TWh/yr of power could be generated from OTEC without affecting the ocean's thermal structure". which converts to about 500GW which... isn't that much
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nine_k • today at 2:40 AM
This can't be correct.
10,000 TWh/y = 1e+7 GWh/y, divide it by 365.25 days/y to produce daily output of 27,379 GWh/day, then by 24 h/day to get pure power of 1,141 GW. It's still more than a terawatt, three orders of magnitude larger than the largest nuclear reactors.
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10 000 TWh/yr is one third of the current total electric energy generation of the whole planet, is not a small amount.
Source, page 39 of the full report:
https://www.iea.org/reports/global-energy-review-2025/electr...