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solar: how much, per second and per year

solar · kilowatt-hours
from the sun
2 trillion
a year
63,376
a second
5.5 billion
a day
from coal
10.4 trillion
a year
329,556
a second
28 billion
a day

method Ember 2025: solar generation ~2,000 TWh (2024); coal ~10,400 TWh. panels/second from ~600 GW installed per year at ~400 W each.

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