From 2010 to 2023, global hydroelectric energy production experienced substantial growth, reaching approximately **** petawatt hours in 2023. Hydropower is one of the most widely used and reliable sources of renewable energy, utilizing mechanical structures, such as dams and watermills, to harness energy from the moving water. By 2023, the installed capacity of renewable power worldwide had surpassed **** terawatts, with about **** terawatts of this capacity derived from hydropower.
Major players in the global hydropower sector
China dominates the global hydropower sector, with an installed capacity of ****** gigawatts as of 2023. In 2022 alone, China added ** gigawatts to its hydropower capacity. Brazil and the United States follow with ***** gigawatts and ****** gigawatts of installed capacity, respectively in 2023. These countries are also among the largest consumers of hydropower, with China consuming *** exajoules, Brazil 1.5 exajoules, Canada 1.2 exajoules, and the United States 0.9 exajoules. Employment in the hydropower sector is similarly heavily concentrated in China, accounting for approximately **** percent of the global workforce in this industry.
Economic outlook and challenges
The global hydropower market is expected to continue growing, with a compound annual growth rate (CAGR) of *** percent projected between 2023 and 2029. This growth trajectory would see the market value increase from *** billion U.S. dollars in 2023 to an estimated *** billion U.S. dollars by 2029. Despite the many benefits of hydropower, there are notable drawbacks. The construction of hydropower plants can cause significant environmental disruption, including the displacement of communities and wildlife habitats, alteration of water flow, and impacts on local ecosystems. Additionally, the high initial costs of building hydropower plants and their dependence on geographical and climatic conditions present further challenges.
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IRENA. (July 15, 2025). Hydroelectric energy production worldwide from 2010 to 2023 (in terawatt hours) [Graph]. In Statista. Retrieved May 08, 2026, from https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/
IRENA. "Hydroelectric energy production worldwide from 2010 to 2023 (in terawatt hours)." Chart. July 15, 2025. Statista. Accessed May 08, 2026. https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/
IRENA. (2025). Hydroelectric energy production worldwide from 2010 to 2023 (in terawatt hours). Statista. Statista Inc.. Accessed: May 08, 2026. https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/
IRENA. "Hydroelectric Energy Production Worldwide from 2010 to 2023 (in Terawatt Hours)." Statista, Statista Inc., 15 Jul 2025, https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/
IRENA, Hydroelectric energy production worldwide from 2010 to 2023 (in terawatt hours) Statista, https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/ (last visited May 08, 2026)
Hydroelectric energy production worldwide from 2010 to 2023 (in terawatt hours) [Graph], IRENA, July 15, 2025. [Online]. Available: https://www.statista.com/statistics/1031110/hydroelectric-energy-production-globally/