Long duration energy storage technologies have an energy storage duration of more than 10 hours. In 2024, thermal energy storage systems could store power for 200 hours, while chemical energy storage technologies' storage duration ranged between 500 and 1,000 hours. These technologies had the longest storage duration, compared to a maximum storage duration of 25 hours for mechanical storage.
Nominal duration of long duration energy storage technologies globally in 2024
(in hours)
Hybrid flow battery with liquid anode and metal anode (electrochemical storage)
8
50
Created with Highcharts 7.2.2Technology (form of energy storage)Nominal duration in hours1515252515152424242415152002001,0001,0001001002002005050001010004466002002005005002525505088MinMaxUnderground pumped hydro (mechanical storage)Liquid air (mechanical storage)Aboveground pumped hydro (mechanical storage)Liquid CO2 (mechanical storage)Compressed air (mechanical storage)Gravity-based (mechanical storage)Sensible heat (thermal storage)Power-to-gas-to-power (chemical storage)Aqueous electrolyte flow battery (electrochemical storage)Metal anode battery (electrochemical storage)Hybrid flow battery with liquid anode and metal anode (electrochemicalstorage)
01002003004005006007008009001,0001,100
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Visual Capitalist. (April 9, 2024). Nominal duration of long duration energy storage technologies globally in 2024 (in hours) [Graph]. In Statista. Retrieved April 09, 2025, from https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/
Visual Capitalist. "Nominal duration of long duration energy storage technologies globally in 2024 (in hours)." Chart. April 9, 2024. Statista. Accessed April 09, 2025. https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/
Visual Capitalist. (2024). Nominal duration of long duration energy storage technologies globally in 2024 (in hours). Statista. Statista Inc.. Accessed: April 09, 2025. https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/
Visual Capitalist. "Nominal Duration of Long Duration Energy Storage Technologies Globally in 2024 (in Hours)." Statista, Statista Inc., 9 Apr 2024, https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/
Visual Capitalist, Nominal duration of long duration energy storage technologies globally in 2024 (in hours) Statista, https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/ (last visited April 09, 2025)
Nominal duration of long duration energy storage technologies globally in 2024 (in hours) [Graph], Visual Capitalist, April 9, 2024. [Online]. Available: https://www.statista.com/statistics/1469573/long-duration-energy-storage-technologies-by-duration/
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