Science · Facts & sources
4 sourced facts about solar power, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Answermore than 280,000 people
Solar employment has grown steadily as installations expand across residential and utility markets.
Source: Wikipedia (Solar power in the United States) (2023) en.wikipedia.org
Answerabout 91%
Solar and wind together dominated new electricity capacity additions that period.
Source: Wikipedia (Solar power in the United States) (2025) en.wikipedia.org
Answerabout 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
Answerabout $2.51–$3.31 per watt
Utility-scale solar projects were far cheaper that year, at around $1.05 per watt.
Source: Wikipedia (Solar power in the United States) (2020) en.wikipedia.org