Led by Solar and Wind, U.S. Electrical Generation by Renewables Grew by 15.4% During First Three-Quarters of 2022
- Nov 28, 2022 1:21 am GMT
However, EIA's data also suggest that renewable energy's strong growth this year may slow down during the last third of 2022.
In September alone, electrical generation by solar grew by 21.02% and geothermal increased by 5.1% compared to September 2021. On the other hand, generation by wind dropped by 6.81% as did that by hydropower (down 1.14%) and biomass/wood (down 4.57%). Taken together, electrical output by renewables was just 1.45% higher than a year ago and because electrical generation by all sources increased, renewables' share in September was nearly unchanged from a year earlier (19.18% vs. 19.14%).
For some time now, EIA has been forecasting renewables to provide 22% of U.S. electrical generation in 2022 - up from 20% a year earlier . While they presently are ahead of that level, a slowdown in generation by wind and hydropower during the last quarter of this year could result in renewables falling short of that mark while still exceeding their 2021 record output.
 Unless otherwise indicated, the electricity figures cited above include EIA's "estimated small-scale solar photovoltaic" (e.g., rooftop solar systems) which accounts for 28.8% of total solar output and over six percent (6.4%) of total net electrical generation by renewable energy sources.
 See, for example, U.S. Energy Information Administration, "EIA expects renewables to account for 22% of U.S. electricity generation in 2022" (August 16, 2022)
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