Solar energy technology has by far more patents than any another renewable energy worldwide. In 2020, this renewable technology had 33,901 patents. By comparison, wind energy had 9,934 patents that year, while geothermal had the least, at 927 patents.
Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type
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Energy Monitor. (June 16, 2022). Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type [Graph]. In Statista. Retrieved March 15, 2025, from https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed
Energy Monitor. "Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type." Chart. June 16, 2022. Statista. Accessed March 15, 2025. https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed
Energy Monitor. (2022). Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type. Statista. Statista Inc.. Accessed: March 15, 2025. https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed
Energy Monitor. "Number of Patents for Renewable Energy Technologies Worldwide from 2000 to 2020, by Type." Statista, Statista Inc., 16 Jun 2022, https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed
Energy Monitor, Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type Statista, https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed (last visited March 15, 2025)
Number of patents for renewable energy technologies worldwide from 2000 to 2020, by type [Graph], Energy Monitor, June 16, 2022. [Online]. Available: https://www.statista.com/statistics/1315832/number-of-patents-for-renewable-energy-technologies-worldwide/?__sso_cookie_checker=failed
