This chapter describes recent projections for the development of global and European demand for battery storage out to 2050 and analyzes the underlying drivers, drawing primarily on the International Energy Agency's World Energy Outlook (WEO) 2022. . The total volume of batteries used in the energy sector was over 2 400 gigawatt-hours (GWh) in 2023, a fourfold increase from 2020. In the past five years, over 2 000 GWh of lithium-ion battery capacity has been added worldwide, powering 40 million electric vehicles and thousands of battery storage. . Global trends suggest that the battery market is oversaturated, but a regional analysis reveals pockets of opportunity. Although electric-vehicle (EV) sales have slowed from their peak, battery technology continues to evolve at a breakneck pace. Energy storage batteries are manufactured devices that accept, store, and discharge electrical. . This battery storage update includes summary data and visualizations on the capacity of large-scale battery storage systems by region and ownership type, battery storage co-located systems, applications served by battery storage, battery storage installation costs, and small-scale battery storage. . For energy storage, the IRA offers incentives to produce electrode active materials, battery cells, and battery modules.
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