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US installs record solar capacity as prices keep falling

Ars Technica · John Timmer · last updated

This week, the US Department of Energy’s Berkeley Lab released its annual analysis of solar energy in the US. It found that nearly half the generating capacity was installed in the US during 2021 and is poised to dominate future installs.

Related Knowledge Center: ENERGY BASICS: solar

State of Play

Declining costs and government encouragement have resulted in a rapid increase in solar energy production in the United States over the past 10 years, although solar’s share remains small: 1.6 percent of all electricity generation in 2018. That rapid growth is projected to continue.

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