In 2021, hydropower - including (pumped) storage, and run-of-river hydropower - accounted for roughly one-third of the electricity system flexibility capacity worldwide. Nevertheless, fossil fuels combined were responsible for the highest share of global flexibility capacity, with a combined share of 63 percent.
Distribution of electricity system flexibility capacity worldwide in 2021, by source
* Including pumped storage hydropower, storage hydropower and run-of-river hydropower.
** Figure was estimated by Statista based on the values provided by the source and assuming a total of 100 percentage points. Includes batteries, hydrogen, and others.
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International Hydropower Association (International Forum on Pumped Storage Hydropower). (September 15, 2021). Distribution of electricity system flexibility capacity worldwide in 2021, by source [Graph]. In Statista. Retrieved November 21, 2024, from https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/
International Hydropower Association (International Forum on Pumped Storage Hydropower). "Distribution of electricity system flexibility capacity worldwide in 2021, by source." Chart. September 15, 2021. Statista. Accessed November 21, 2024. https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/
International Hydropower Association (International Forum on Pumped Storage Hydropower). (2021). Distribution of electricity system flexibility capacity worldwide in 2021, by source. Statista. Statista Inc.. Accessed: November 21, 2024. https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/
International Hydropower Association (International Forum on Pumped Storage Hydropower). "Distribution of Electricity System Flexibility Capacity Worldwide in 2021, by Source." Statista, Statista Inc., 15 Sep 2021, https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/
International Hydropower Association (International Forum on Pumped Storage Hydropower), Distribution of electricity system flexibility capacity worldwide in 2021, by source Statista, https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/ (last visited November 21, 2024)
Distribution of electricity system flexibility capacity worldwide in 2021, by source [Graph], International Hydropower Association (International Forum on Pumped Storage Hydropower), September 15, 2021. [Online]. Available: https://www.statista.com/statistics/1307493/power-system-flexibility-capacity-share-worldwide/
