- Total installed generating capacity in the United States was 1,256,427 megawatts (MW) as of December 31, 2021, an increase of 26,567 MW over year-end 2020 capacity totals.
- Investments in wind and solar energy accounted for 28,071 MW or 81 percent of approximately 35,000 MW of electricity capacity additions in the United States in 2021.
- A total of 7,348 MW of coal generating capacity was retired in 2021.
- In 2021, total U.S. electricity generation was 4,115,135 gigawatt- hours (GWh)—an increase of 2.6 percent over total generation in 2020.
- U.S. investor-owned electric companies accounted for 1,377,614 GWh, or 33.5 percent, of total U.S. electricity generation in 2021.
- Electricity generation at independent power producer-owned plants totaled 1,918,425 GWh, accounting for 46.6 percent of the total electricity generation in the United States in 2021.
Sources of Electric Generation (by type of ownership)