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Global installed energy storage capacity by scenario, 2023 and 2030 - Chart and data by the International Energy Agency. . The American Public Power Association's annual report on current and imminent electricity generation capacity in the United States breaks down the nearly 1. The largest fuel source is natural gas, accounting for just under 43% of. . GW = gigawatts; PV = photovoltaics; STEPS = Stated Policies Scenario; NZE = Net Zero Emissions by 2050 Scenario. Other storage includes compressed air energy storage, flywheel and thermal storage. Hydrogen electrolysers are not included.
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