
Developers plan to expand US battery storage capacity to more than 30 gigawatts (GW) by the end of 2024, according to the US Energy Information Administration (EIA).
Planned and currently operational US utility-scale battery capacity totaled around 16 GW at the end of 2023. Developers are expected to add another 15 GW of battery storage in 2024, and around 9 GW in 2025.
US battery storage capacity has been growing since 2021 and is anticipated to increase by 89% by the end of this year if all planned energy storage systems are brought online.
California and Texas currently account for the majority of battery capacity additions. Utilities are now mandated to install energy storage in California, and Texas has faster grid connection and permitting, which incentivizes developers.
California has the most installed battery storage capacity of any state by far, with 7.3 GW, followed by Texas with 3.2 GW. Both states have seen enormous solar and wind growth, which in turn spurs battery storage growth. The batteries store excess clean power in periods of low electricity demand, and release power when electricity demand is high.
The Biden administration’s Inflation Reduction Act investment tax credits have played a huge part in spurring battery storage growth in the US. Developers expect to bring more than 300 utility-scale battery storage projects online in the US by 2025, and around half of the planned capacity installations will be in Texas.
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Michelle Lewis is a writer and editor on Electrek and an editor on DroneDJ, 9to5Mac, and 9to5Google. She lives in White River Junction, Vermont. She has previously worked for Fast Company, the Guardian, News Deeply, Time, and others. Message Michelle on Twitter or at michelle@9to5mac . Check out her personal blog.
The US energy storage market hit an inflection point in 2020. The Energy Information Administration expects the deployment of grid-scale storage to pick up over the next three years.
Grid-scale energy storage capacity is expected to surpass 30 GW/111 GWh of installed capacity by the end of 2025, according to a new report by the US Energy Information Administration (EIA).
Battery storage capacity in the United States was negligible prior to 2020, at which point storage capacity began to ramp up. As of October 2022, 7.8 GW of utility-scale storage assets began operating, with 1.4 GW of additional capacity to be added by the end of 2022. The EIA expects another 20.8 GW of battery storage capacity to be added from 2023 to 2025.
Growth in energy storage capacity is outpacing the pace of early growth of utility-scale solar. US solar capacity began expanding in 2010 and grew from less than 1.0 GW in 2010 to 13.7 GW in 2015. In comparison, the EIA sees energy storage increasing from 1.5 GW in 2020 to 30 GW in 2025.
Energy storage adds stability to intermittent clean energy sources such as wind and solar. Batteries solve the intermittency problem by storing extra energy produced by wind or solar generators for use later in the day.
While it may come as no surprise, more than 75% of the 20.8 GW of new utility-scale battery capacity that developers plan to install from 2022 to 2025 is located in Texas (7.9 GW) and California (7.6 GW).
More utility-scale solar capacity is located in California than any other state, at 16.8 GW, and developers expect to add another 7.7 GW of solar generating capacity between 2023 and 2025, furthering the ramp up necessary for grid-scale storage solutions.
Another 10.5 GW of utility-scale solar capacity is located in Texas. Developers plan to install another 20.4 GW of solar capacity between 2023 and 2025. Not to mention, Texas is home to 37.2 GW of wind power capacity, more than any other state, and developers expect to add 5.3 GW of new wind turbines over the next three years.
As more battery capacity becomes available, storage projects are becoming increasingly larger in capacity. Before 2020, the largest battery storage project was 40 MW. The 250 MW Gateway Energy Storage System in California, which began operating in 2020, marked the beginning of large-scale energy storage installations.
Funding for the massive energy storage roll out will come in part from the Inflation Reduction Act, which BloombergNEF states will drive the development of 30 GW (111 GWh) of energy storage capacity by 2030. The IRA stipulates $369 billion in clean energy investments, as well as 30% tax credit for energy storage systems.
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