How many planned battery storage projects are in ERCOT?

There are 931 planned battery storage projects in ERCOT.

What is the total planned battery storage capacity in ERCOT?

The total planned battery storage capacity in ERCOT is 165,005 MW.

What is the largest planned battery storage project in ERCOT?

The largest planned battery storage project in ERCOT is Prairie Point Energy Storage I at 1,045 MW, located in Wise, Texas.

How many developers have planned battery storage projects in ERCOT?

There are 125 unique developers with planned battery storage projects in ERCOT.

Planned Battery Storage Projects in ERCOT

Explore the largest battery storage projects expected to come online in ERCOT and see all proposed battery storage projects on a map.

Last updated: July 2026

On this page, you can explore our database of planned battery storage projects in ERCOT. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in ERCOT.

As of July 2026, there are 931 battery storage projects in development in ERCOT, according to Cleanview's project tracker. Their total planned capacity is 165,005 MW. See also: operating battery storage projects in ERCOT→

Planned Projects

931

Planned Capacity

165,005 MW

Unique Developers

125

Largest Planned Battery Storage Projects in ERCOT

Prairie Point Energy Storage I

1,045 MW

Expected Online: December 2027

Location: Wise, Texas

Prairie Point Energy Storage II

1,045 MW

Expected Online: December 2027

Location: Wise, Texas

Zeus Armstrong BESS

1,043 MW

Expected Online: April 2028

Location: Armstrong, Texas

Developer: Unable to find

Zeus Scurry BESS

1,043 MW

Expected Online: October 2028

Location: Scurry, Texas

Zeus Mitchell BESS

1,043 MW

Expected Online: April 2029

Location: Mitchell, Texas

Zeus Mitchell BESS II

1,043 MW

Expected Online: May 2027

Location: Mitchell, Texas

Kickstart Energy Storage VI

1,026 MW

Expected Online: December 2029

Location: Ellis, Texas

Kickstart Energy Storage V

999 MW

Expected Online: December 2029

Location: Ellis, Texas

Nabla Energy Storage I

750 MW

Expected Online: September 2029

Location: Parker, Texas

Battery Storage Projects Coming Online Soon in ERCOT

Betel Storage I

500 MW

Expected Online: August 2026

Location: Milam, Texas

Developer: Unable to find

Red Egret BESS

311 MW

Expected Online: August 2026

Location: Galveston, Texas

Developer: Spearmint Energy

Tidwell Prairie II Batt

204 MW

Expected Online: August 2026

Location: Robertson, Texas

Developer: Jupiter Power

Gunnar BESS

155 MW

Expected Online: August 2026

Location: Hidalgo, Texas

Developer: Balanced Rock Power

Appaloosa Run BESS

103 MW

Expected Online: August 2026

Location: Upton, Texas

Developer: Unable to find

Hermes Storage

100 MW

Expected Online: August 2026

Location: Bell, Texas

Developer: X-Elio

North Edinburg BESS 1

10 MW

Expected Online: August 2026

Location: Hidalgo, Texas

Pavlov BESS2

10 MW

Expected Online: August 2026

Location: Matagorda, Texas

Elm Street BESS

10 MW

Expected Online: August 2026

Location: Reeves, Texas

Frequently Asked Questions

How many planned battery storage projects are in ERCOT?: There are 931 planned battery storage projects in ERCOT.
What is the total planned battery storage capacity in ERCOT?: The total planned battery storage capacity in ERCOT is 165,005 MW.
What is the largest planned battery storage project in ERCOT?: The largest planned battery storage project in ERCOT is Prairie Point Energy Storage I at 1,045 MW, located in Wise, Texas.
How many developers have planned battery storage projects in ERCOT?: There are 125 unique developers with planned battery storage projects in ERCOT.

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