Energy Storage Market Reaches New Heights
The energy storage market in the U.S. is booming, with record deployments reported in the third quarter of this year. A total of 3,806 MW and 9,931 MWh were installed from July to September, marking significant increases of 80% for grid-scale and 58% for residential energy storage when compared to the same time last year. These figures come from the latest report by the American Clean Power Association and Wood Mackenzie.
Grid-scale systems accounted for over 3.4 GW and 9 GWh, while residential storage saw deployments of 346 MW and 645 MWh. The impressive growth in energy storage, particularly in utility-scale projects, is mainly attributed to markets in California and Texas.
This week, California further reinforced its commitment to energy storage by approving a $42 million grant for a long-duration storage project at Marine Corps Base Camp Pendleton in San Diego County.
Experts in the field note a variety of benefits that are driving this increase in energy storage adoption. Nina Rangel, a senior research analyst at Wood Mackenzie, stated, “The market has seen consistent growth this year, especially in the grid-scale segment. We project a 30% overall growth in storage installations for 2024, indicating it will be the industry’s strongest year yet, though maintaining this pace may prove challenging.”
Looking ahead, Wood Mackenzie anticipates an average annual growth rate of 10% from 2025 to 2028. This is due to ongoing developmental challenges. Both Texas and California witnessed strong growth in grid-scale storage, with Texas tripling its installations to nearly 1.7 GW in just one quarter. California added close to 6 GWh, focusing on longer-duration plants.
The Pendleton project highlights a growing emphasis on energy storage systems that can provide power over extended periods. The California Energy Commission’s chair, David Hochschild, emphasized that long-duration and multi-day storage technologies are essential for achieving clean energy goals. The project will begin with a 6 MW and 48 MWh capacity using zinc hybrid batteries, with plans to scale up to 50 MW and 400 MWh by 2027.
Other states like Arizona, Colorado, Florida, and Vermont are also showing strong demand for large battery installations, reflecting a nationwide interest in grid-scale energy storage solutions.
According to John Hensley, Senior Vice President of Markets and Policy Analysis at the American Clean Power Association, “The energy storage industry is meeting a pressing need across the country for reliable, affordable, and efficient power solutions.” With 64 GW of new energy storage expected to be added in the next four years, it’s clear that energy storage remains a key component of America’s evolving energy landscape.
In the residential storage sector, states such as California, Arizona, and North Carolina stood out, with increases of 56%, 73%, and 100% respective to their earlier quarters, despite facing battery supply shortages. However, the community-scale and commercial installations experienced a slight decline of 4% compared to the previous year, totaling 29 MW.

