Science · Guess the stat
Guess the real numbers behind solar power, see how everyone else guessed, and get the source.
About what share of all new U.S. power generating capacity came from solar and wind combined in the first half of 2025?
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about 66%
Solar was by far the single largest source of new power plant capacity added that year.
Source: Wikipedia (Solar power in the United States) (2024) en.wikipedia.org
about 28%
That kept solar as one of the fastest-growing sources of electricity in the country.
Source: Wikipedia (Solar power in the United States) (2024) en.wikipedia.org
about 1.3 million homes
Falling equipment costs and incentives drove more than a 40-fold increase in a decade.
Source: Wikipedia (Solar power in the United States) (2016) en.wikipedia.org
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Each question asks you to guess a real number about solar power. After you answer you see how everyone else guessed, then the real figure and where it comes from.
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