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[xkcd] Physics will make you rich!
(xkcd.com)
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this post was submitted on 08 Aug 2023
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Is it true that you can get 4kwh per day per square meter? My average electricity consumption is ~15kwh/day, so if I can potentially offset most of my grid usage with just 4 square meters of solar panel, that seems very attractive. I live in a tropical country btw.
No, 4kwh is about the daily amount of sun hitting 1 square meter. Solar panels can capture about 20% of that
Each of my panels has a theoretical capacity of 390 Watts per hour. So 4kwh in a day seems very feasible. My panels are certainly not the cutting edge of technology!
i would imagine living somewhere tropical might be even better
Over the past year I'm averaging about 1.1 kwh per day per square meter on my system.