This white paper reviews key developments in the siting and permitting of battery storage facilities and addresses environ-mental, health, and safety issues, along with jurisdictional questions and commu-nity benefit considerations.
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State Grid operates large-scale pumped hydro storage facilities that contribute significantly to energy stability, 3.
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The report finds that 49 states, plus DC and Puerto Rico, took actions related to grid modernization during 2025 (see figure below), with the greatest number of actions relating to energy storage deployment proposals, utility business model reforms, smart grid deployment .
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Energy storage supports using more clean energy by storing it when supply is high but demand is low, which enables the grid to incorporate more of the most cost-effective sources of electricity generation.
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