The US added a record 20.2 GWh of battery storage in just 3 months

The United States battery storage market simply published its most significant quarter ever, including 20.2 gigawatt-hours(GWh)of brand-new capability in Q2 2026.

The record quarter brought overall battery storage setups for the very first half of 2026 to 30.8 GWh– up 23%year over year– according to the brand-new” United States Energy Storage Market Outlookfrom the Solar Energy Industries Association(SEIA) and Benchmark Mineral Intelligence.

Utility-scale batteries drove the record

Almost all the development originated from big grid batteries. Utility-scale tasks represented about 18 GWh of Q2 setups, supported by 7 gigawatt-hour-scale jobs– 4 in Arizona, 2 in California, and one in Utah.

Arizona alone included a record 6.2 GWh, the greatest quarter ever taped by a single state. Texas included 3.8 GWh, and California set up another 3.6 GWh. Of the utility-scale capability set up throughout the quarter, 44%was coupled with solar, while 56%was standalone storage.

That matters since batteries can charge when electrical energy is plentiful and reasonably low-cost, then send it back to the grid when need and rates increase. Throughout severe heat, that kept electrical power can assist cover the night hours when solar output drops however air-conditioning need stays high.

Battery storage provided more electrical power to the United States grid throughout the very first 8 months of 2026 than it did throughout all of 2025, according to the report.

” This record development highlights that storage is an effective dependability tool that reinforces our energy security, satisfies increasing need, and puts down pressure on electrical power costs,”stated Tim Pawlenty, president and CEO of SEIA.

Storage development spreads out beyond California and Texas

More than 74% of United States battery storage capability set up in Q2 2026 remained in states that Donald Trump won in the 2024 governmental election, with Arizona, Texas, and Utah leading.

SEIA likewise keeps in mind that United States utility-scale battery capability grew from 88 GWh to 165 GWh throughout the very first 18 months of the Trump administration. Those figures reveal when and where the capability went into service, however the report does not associate private task financial investment choices to a specific administration.

“Energy storage is no longer simply a California and Texas story any longer,”stated Shan Tomouk, BESS & Energy Lead at Benchmark Minerals. “We’re seeing strong pipeline development in Arizona, Nevada, Oregon, Colorado, and a number of other states.”

Need is running ahead of previous expectations, so Benchmark raised its storage projection through 2030 by 11.5 %, to 683 GWh. More than 10% of all United States battery storage capability now running came online in Q2 alone.

Home batteries have a rough quarter

Residential battery storage saw a much weaker quarter. United States homes included 657 megawatt-hours (MWh)of batteries in Q2, down 27%year over year.

The report associates the decrease partially to the elimination of the federal 25D property tidy energy tax credit and partially to house owners hurrying setups into 2025 ahead of the reward modification.

Criteria still sees a long-lasting case for home batteries as electrical power expenses increase, net-metering guidelines alter, power interruptions stay an issue, and energies broaden virtual power plant and demand-response programs. It anticipates property setups falling 16 %in 2026 after leaping 56%in 2025.

Business and commercial storage included around 1.8 GWh throughout Q2. Standard anticipates information centers to be a significant source of future need as designers integrate batteries with onsite solar, wind, and, in many cases, gas generation to work around grid restraints and handle fast-changing power loads.

United States battery production likewise broadened throughout the quarter. Tesla brought its 3rd Megafactory online in Texas, with the capability to produce 50 GWh of Megapacks each year, and started delivering Megapacks including locally produced lithium iron phosphate cells.

Standard now anticipates the United States to set up about 71 GWh of battery storage in 2026– around 20 %more than in 2025– as energies and grid operators race to stay up to date with increasing electrical energy need.

Learn more: 1 in 7 United States trainees now goes to a solar-powered school

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