CNESA also reports that the global installed capacity of electrochemical energy storage reached approximately 97 GWh in 2022 and is expected to reach 1,138. 9 GWh in 2027, with a CAGR of 63. . Global electricity output is set to grow by 50 percent by mid-century, relative to 2022 levels. With renewable sources expected to account for the largest share of electricity generation worldwide in the coming decades, energy storage will play a significant role in maintaining the balance between. . GW = gigawatts; PV = photovoltaics; STEPS = Stated Policies Scenario; NZE = Net Zero Emissions by 2050 Scenario. Hydrogen electrolysers are not included. Annual installed capacity will reach a stable level of around 210GWh in 2035. power grid in 2025 in our latest Preliminary Monthly Electric Generator Inventory report. 6 GW of capacity was installed, the largest. .