Battery energy storage systems (BESS) stabilize the electrical grid, ensuring a steady flow of power to homes and businesses regardless of fluctuations from varied energy sources or other disruptions. However, fires at some BESS installations have caused concern in communities considering BESS as a method to support their grids.
The utility-scale storage market in the U.S. is experiencing unprecedented momentum. According to the U.S. Energy Information Administration (EIA), installed utility-scale battery storage capacity surpassed 15 GW in 2024 and is projected to more than double by 2026, with significant contributions from California, Texas, and Arizona.
Base year costs for utility-scale battery energy storage systems (BESSs) are based on a bottom-up cost model using the data and methodology for utility-scale BESS in (Ramasamy et al., 2023). The bottom-up BESS model accounts for major components, including the LIB pack, the inverter, and the balance of system (BOS) needed for the installation.
In 2025, capacity growth from battery storage could set a record as operators report plans to add 19.6 GW of utility-scale battery storage to the grid, according to our January 2025 preliminary electric generator inventory data.
Battery storage systems are not a primary electricity source, meaning the technology does not create electricity from a fuel or natural resource. Instead, batteries store electricity that has already been created from an electricity generator or the electric power grid, which makes energy storage systems secondary sources of electricity.
According to the U.S. Energy Information Administration (EIA), installed utility-scale battery storage capacity surpassed 15 GW in 2024 and is projected to more than double by 2026, with significant contributions from California, Texas, and Arizona. Several macro trends are propelling this growth:
In this article, we''ll explore the current state of the utility-scale battery storage market in the United States, highlight the forces driving its growth, discuss key application scenarios, and provide
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Most big battery stations online and under construction are lithium-ion systems designed to discharge up to four hours of energy storage. They are frequently installed together with solar farms, effectively creating zero
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The American Clean Power Association reported that the United States added a record 1,602-MW of battery storage capacity in the first quarter of 2025, equivalent to the energy generation capacity of one large coal fired
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This report provides a description of the state of battery storage resources in the California ISO and Western Energy Imbalance Market. We evaluate the performance of batteries using
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Coalition members are leading the charge in deploying energy storage infrastructure, manufacturing grid batteries in factories across the United States, refining and producing
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The U.S. has 431 operational battery energy storage projects, 8 using lead-acid, lithium-ion, nickel-based, sodium-based, and flow batteries. 10 These projects totaled 27 GW of rated power in 2024, 8 and have round-trip
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Three projections for 2022 to 2050 are developed for scenario modeling based on this literature. In all three scenarios of the scenarios described below, costs of battery storage are anticipated
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In 2025, capacity growth from battery storage could set a record as operators report plans to add 19.6 GW of utility-scale battery storage to the grid, according to our January 2025 preliminary
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This webpage includes information from first responder and industry guidance as well as background information on battery energy storage systems (challenges & fires), BESS
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