How many battery storage projects are in ERCOT?

There are 232 operating battery storage projects in ERCOT.

What is the total battery storage capacity in ERCOT?

The total operating battery storage capacity in ERCOT is 16,122 MW.

What is the largest battery storage project in ERCOT?

The largest battery storage project in ERCOT is Platinum Storage at 348 MW, located in Fannin, Texas.

How many battery storage projects were built in ERCOT in 2025?

54 battery storage projects were built in ERCOT in 2025.

How many developers have battery storage projects in ERCOT?

There are 44 unique developers with operating battery storage projects in ERCOT.

Battery Storage Projects in ERCOT

Explore the largest battery storage projects in ERCOT and see all the utility-scale battery storage projects in ERCOT on a map.

Last updated: June 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 June 2026, there are 232 utility-scale battery storage projects in ERCOT, according to Cleanview's project tracker. Their total operating capacity is 16,122 MW. In 2025, there were 54 battery storage projects built in ERCOT. See also: planned battery storage projects in ERCOT→

Total Battery Storage Projects

232

Total Capacity

16,122 MW

Built in 2025

ERCOT Battery Storage Map

Map of battery storage projects in ERCOT. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Battery Storage Projects in ERCOT

Platinum Storage

348 MW

Year Operational: February 2026

Location: Fannin, Texas

Developer: Engie

SMT Ironman Battery Storage Plant

304 MW

Year Operational: June 2025

Location: Brazoria, Texas

Developer: SMT Energy

GulfStar Power, LLC

300 MW

Year Operational: June 2025

Location: Wharton, Texas

Developer: GulfStar Power

Rodeo Ranch Energy Storage

300 MW

Year Operational: December 2023

Location: Reeves, Texas

Cartwheel 1 - Storage, LLC

300 MW

Year Operational: December 2025

Location: Hopkins, Texas

Developer: RWE

PP Jaguar BESS LLC

300 MW

Year Operational: December 2025

Location: McLennan, Texas

Developer: Solar Prime

Tanzanite Storage

283 MW

Year Operational: November 2025

Location: Henderson, Texas

Developer: Engie

DeCordova Steam Electric Station

269 MW

Year Operational: July 2022

Location: Hood, Texas

Five Wells Solar Center - Hybrid

263 MW

Year Operational: July 2024

Location: Bell, Texas

Developer: Engie

Recently Built Battery Storage Projects in ERCOT

Old 300 Storage Center

250 MW

Year Operational: April 2026

Location: Fort Bend, Texas

Developer: Orsted

Wizard Energy Storage

150 MW

Year Operational: April 2026

Location: Galveston, Texas

Developer: Peregrine Energy Storage

Aggreko MSR Grid PC2

10 MW

Year Operational: April 2026

Location: Nueces, Texas

Aggreko MSR Grid PC5

10 MW

Year Operational: April 2026

Location: Cameron, Texas

Aggreko MSR Grid PC7

10 MW

Year Operational: April 2026

Location: Cameron, Texas

Meadow Park Energy Center

10 MW

Year Operational: April 2026

Location: Tarrant, Texas

Developer: DeWind

Regis Medina Lake

10 MW

Year Operational: April 2026

Location: Bandera, Texas

Developer: Excelsior Energy Capital

Myrtle Storage

150 MW

Year Operational: March 2026

Location: Brazoria, Texas

Developer: TotalEnergies

Danish Fields Storage

150 MW

Year Operational: March 2026

Location: Wharton, Texas

Developer: TotalEnergies

Frequently Asked Questions

How many battery storage projects are in ERCOT?: There are 232 operating battery storage projects in ERCOT.
What is the total battery storage capacity in ERCOT?: The total operating battery storage capacity in ERCOT is 16,122 MW.
What is the largest battery storage project in ERCOT?: The largest battery storage project in ERCOT is Platinum Storage at 348 MW, located in Fannin, Texas.
How many battery storage projects were built in ERCOT in 2025?: 54 battery storage projects were built in ERCOT in 2025.
How many developers have battery storage projects in ERCOT?: There are 44 unique developers with operating battery storage projects in ERCOT.

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