Natural gas was the largest source of electricity generation in California in 2021, accounting for nearly half of the power generated in the U.S. state. Solar photovoltaic energy ranked second, representing some 17.4 percent of California's electricity production that year.
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NEI. (August 31, 2022). Distribution of electricity generation in California, United States in 2021, by source [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1287660/california-electricity-generation-share-by-source/
NEI. "Distribution of electricity generation in California, United States in 2021, by source." Chart. August 31, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1287660/california-electricity-generation-share-by-source/
NEI. (2022). Distribution of electricity generation in California, United States in 2021, by source. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1287660/california-electricity-generation-share-by-source/
NEI. "Distribution of Electricity Generation in California, United States in 2021, by Source." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Aug 2022, /statistics/1287660/california-electricity-generation-share-by-source/
NEI, Distribution of electricity generation in California, United States in 2021, by source ÌÇÐÄÆƽâ°æ, /statistics/1287660/california-electricity-generation-share-by-source/ (last visited July 19, 2026)
Distribution of electricity generation in California, United States in 2021, by source [Graph], NEI, August 31, 2022. [Online]. Available: /statistics/1287660/california-electricity-generation-share-by-source/
