Solar Energy’s Latest Record Breaker: The US solar results for 2021 are out, and full of good news. At a time when energy and climate change
1. 2021 was the biggest year ever for solarfrom analysts at Wood Mackenzie and the Solar Energy Industries Association , the US solar industry installed 23.6 gigawatts in 2021. That’s 19 percent more than in 2020, which itself had been a record breaker, and 77 percent more than in 2019. And it took solar soaring past the 100 GW cumulative mark in 2021.
Residential — Solar on homes set its own record, with 4.2 GW installed in 2021 — 30 percent more than in 2020. The number of systems installed was another record: more than 500,000 installations in one year. And, they report, “[n]early 5% of [solar] viable owner-occupied homes in the US have residential solar installed.”
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