After a decade of lithium-ion procurement, the leading clean energy states are finally turning their attention to long duration energy storage.
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China leads the expansion, surpassing 100 gigawatts of new-energy storage capacity in 2025 – more than doubling output in just twelve months, according to the China Energy Storage Alliance.
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Notes: This chart shows the evolution of battery storage projects in France, with installed rated power (MW), energy capacity (MWh), and the weighted average duration of operating batteries.
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Global finance is now backing utility-scale battery projects, proving long-duration storage is a bankable asset for grid stability. The Elena hybrid power plant in Chile secured US$270 million in financing from major international banks, signaling a critical shift in energy project.
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