In 2025, the United States saw a dramatic increase in battery energy storage deployment, marking what Wired.com describes as a “big battery boom” nationwide. Energy storage capacity expanded by roughly 29% over the previous year, setting new records despite federal policy that has at times been unfriendly to renewable energy. This surge occurred as utilities and other large electricity users turned to battery systems to manage peak demand, support reliability, and integrate intermittent renewable generation such as solar and wind into regional grids. Batteries are no longer auxiliary assets; they are central to power planning in states from Texas to Arizona.
Much of this growth is happening at utility scale, with major installations in traditionally conservative energy states that are embracing storage to meet both reliability needs and economic opportunities. Texas, for instance, saw battery use expand alongside its rising solar output, positioning the state to surpass California in total energy storage capacity. Independent system operators and grid planners value batteries for their ability to shift stored energy to high-price periods, mitigate volatility on deregulated markets, and defer investments in traditional generation assets.
Behind-the-meter storage—battery systems installed on site for commercial, industrial, and data center customers—also contributed to the boom. Demand from hyperscale computing facilities in particular is pushing storage both for cost management and resilience as data centers grapple with rising energy use.
The boom is reshaping the industry even as challenges emerge. Changing tax incentives and reliance on international supply chains have introduced uncertainty into project economics. Nevertheless, analysts emphasize that energy storage is becoming a backbone of U.S. power infrastructure, not only by balancing renewable generation but also by improving grid flexibility in the face of rising demand and extreme weather events.