Explore the largest battery storage projects in ERCOT and see all the utility-scale battery storage projects in ERCOT on a map.
Last updated: May 2026
On this page, you can explore our real-time database of battery storage projects in ERCOT. Each month, we track battery storage projects and update our list of the largest battery storage projects in ERCOT.
As of May 2026, there are 219 utility-scale battery storage projects in ERCOT, according to Cleanview's project tracker. Their total operating capacity is 15,557 MW. In 2025, there were 52 battery storage projects built in ERCOT. See also: planned battery storage projects in ERCOT→
Total Battery Storage Projects
219
Total Capacity
15,557 MW
Built in 2025
52
Map of battery storage projects in ERCOT. Marker size reflects capacity — only facilities with reported capacity data are shown.
348 MW
Year Operational: February 2026
Location: Fannin, Texas
Developer: Engie
304 MW
Year Operational: June 2025
Location: Brazoria, Texas
Developer: SMT Energy
300 MW
Year Operational: June 2025
Location: Wharton, Texas
Developer: GulfStar Power
300 MW
Year Operational: December 2023
Location: Reeves, Texas
300 MW
Year Operational: December 2025
Location: Hopkins, Texas
Developer: RWE
300 MW
Year Operational: December 2025
Location: McLennan, Texas
Developer: Solar Prime
283 MW
Year Operational: November 2025
Location: Henderson, Texas
Developer: Engie
269 MW
Year Operational: July 2022
Location: Hood, Texas
263 MW
Year Operational: July 2024
Location: Bell, Texas
Developer: Engie
150 MW
Year Operational: March 2026
Location: Brazoria, Texas
Developer: TotalEnergies
150 MW
Year Operational: March 2026
Location: Wharton, Texas
Developer: TotalEnergies
100 MW
Year Operational: March 2026
Location: Bexar, Texas
Developer: OCI Energy
10 MW
Year Operational: March 2026
Location: Jim Wells, Texas
Developer: Grenergy
10 MW
Year Operational: March 2026
Location: Karnes, Texas
Developer: Excelsior Energy Capital
348 MW
Year Operational: February 2026
Location: Fannin, Texas
Developer: Engie
200 MW
Year Operational: February 2026
Location: Fort Bend, Texas
Developer: Aypa Power
150 MW
Year Operational: February 2026
Location: Wilbarger, Texas
Developer: NextEra Energy
100 MW
Year Operational: February 2026
Location: Webb, Texas
Developer: Spearmint Energy
Cleanview