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In reply to https://social.johanbove.info/2022/08/05/predicting-that-alternative-ways-of-generating-electricity.
Reading a pro (!) cyclist can crank out about 400 W for some 20 minutes, and maybe 250 for a few hours—comparable to, or perhaps a bit better than, a _single_ solar panel.
That said, exercise is a great way to keep warm!
