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US residential battery storage set a record 673 megawatts of new installations in the first quarter of 2026, according to the US Energy Information Administration.
Rising electricity costs and state-level incentive policies are accelerating adoption, with California and Hawaii accounting for the majority of new capacity.
Texas and Arizona also posted significantly higher installation numbers, signalling that the market is broadening beyond its early coastal base.
State Policy and Electricity Prices Are Driving the Build-Out The geography of growth tracks state electricity pricing and policy design.
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