How many planned battery storage projects are in ERCOT?

There are 937 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 165,146 MW.

What is the largest planned battery storage project in ERCOT?

The largest planned battery storage project in ERCOT is Zeus Armstrong BESS at 1,043 MW, located in Armstrong, Texas.

How many developers have planned battery storage projects in ERCOT?

There are 127 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: May 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 May 2026, there are 937 battery storage projects in development in ERCOT, according to Cleanview's project tracker. Their total planned capacity is 165,146 MW. See also: operating battery storage projects in ERCOT→

Planned Projects

937

Planned Capacity

165,146 MW

Unique Developers

127

Largest Planned Battery Storage Projects in ERCOT

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

Nabla Energy Storage II

750 MW

Expected Online: September 2029

Location: Parker, Texas

Howard Road BESS

618 MW

Expected Online: April 2028

Location: Bexar, Texas

Battery Storage Projects Coming Online Soon in ERCOT

Solace Storage

322 MW

Expected Online: June 2026

Location: Haskell, Texas

Developer: Intersect Power

Solace Storage

322 MW

Expected Online: June 2026

Location: Haskell, Texas

Developer: Unable to find

VERTUS ENERGY STORAGE

207 MW

Expected Online: June 2026

Location: Galveston, Texas

Developer: Alpha Omega Power

Pintail Pass BESS

207 MW

Expected Online: June 2026

Location: San Patricio, Texas

Developer: Lydian Energy

SAHARA BESS (SOHO BESS)

204 MW

Expected Online: June 2026

Location: Brazoria, Texas

Developer: Prologis Logistics Services

SAHARA II BESS (SOHO II BESS)

204 MW

Expected Online: June 2026

Location: Brazoria, Texas

Developer: Black Mountain Energy Storage

Crowned Heron BESS

154 MW

Expected Online: June 2026

Location: Fort Bend, Texas

Developer: RWE

Bocanova Power II

150 MW

Expected Online: June 2026

Location: Brazoria, Texas

Developer: Nightpeak Energy

Rogers Draw BESS

149 MW

Expected Online: June 2026

Location: Gillespie, Texas

Developer: Peregrine Energy Storage

Frequently Asked Questions

How many planned battery storage projects are in ERCOT?: There are 937 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 165,146 MW.
What is the largest planned battery storage project in ERCOT?: The largest planned battery storage project in ERCOT is Zeus Armstrong BESS at 1,043 MW, located in Armstrong, Texas.
How many developers have planned battery storage projects in ERCOT?: There are 127 unique developers with planned battery storage projects in ERCOT.

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