All capacity data—including solar capacity—in this report is reported in MWac, not MWdc. This enables comparison across technologies (e.g. solar, wind, batteries, gas turbines, etc).
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By 2028, grid-scale energy storage capacity is expected to more than double, reaching 63.7GW, while residential and C&I projects will add 10GW and 2.1GW, respectively.
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Global installed energy storage capacity by scenario, 2023 and 2030 - Chart and data by the International Energy Agency.
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In 2025, capacity growth from battery storage could set a record as we expect 18.2 GW of utility-scale battery storage to be added to the grid. U.S. battery storage already achieved record growth in 2024
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The U.S. energy storage market experienced significant growth in the second quarter, with the grid-scale segment leading the way with 2,773 MW and 9,982 MWh deployed.
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The addition of 4.7 GW established Q3 2025 as the strongest third-quarter on record for new storage capacity installations. It ranks as the second-largest quarter for new storage additions in
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Global energy storage additions are on track to set another record in 2025 with the two largest markets – China and US – overcoming adverse policy shifts and tariff turmoil.
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A report from the American Clean Power Association (ACP) and Wood Mackenzie indicates the utility-scale energy storage sector added 4.9 GW in the April-to-June quarter,
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Solar, wind, and batteries are set to supply virtually all net new US generating capacity in 2026, according to the latest EIA data.
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The amount of grid-scale energy storage deployed in the US almost doubled in 2023, data from Wood Mackenzie shows. Grid-scale installations reached 7.9GWh last year, up from
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