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US installs record solar capacity as prices keep falling

September 21, 2022

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. That’s in part because costs have dropped by more than 75 percent since 2010; it’s now often cheaper to build and operate a solar plant than it is to simply buy fuel for an existing natural gas plant.

The analysis was performed before the passage of the Inflation Reduction Act, which contains many incentives and tax breaks that should expand solar’s advantages in the coming years.

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