Explore the largest battery storage projects expected to come online in ERCOT and see all proposed battery storage projects on a map.
Last updated: June 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 June 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
1,045 MW
Expected Online: December 2027
Location: Wise, Texas
1,045 MW
Expected Online: December 2027
Location: Wise, Texas
1,043 MW
Expected Online: April 2028
Location: Armstrong, Texas
Developer: Unable to find
1,043 MW
Expected Online: October 2028
Location: Scurry, Texas
1,043 MW
Expected Online: April 2029
Location: Mitchell, Texas
1,043 MW
Expected Online: May 2027
Location: Mitchell, Texas
1,026 MW
Expected Online: December 2029
Location: Ellis, Texas
999 MW
Expected Online: December 2029
Location: Ellis, Texas
750 MW
Expected Online: September 2029
Location: Parker, Texas
322 MW
Expected Online: July 2026
Location: Haskell, Texas
Developer: Intersect Power
205 MW
Expected Online: July 2026
Location: Brazoria, Texas
Developer: Engie
154 MW
Expected Online: July 2026
Location: Fort Bend, Texas
Developer: RWE
150 MW
Expected Online: July 2026
Location: Brazoria, Texas
Developer: Nightpeak Energy
150 MW
Expected Online: July 2026
Location: Gillespie, Texas
Developer: Unable to find
104 MW
Expected Online: July 2026
Location: Wharton, Texas
Developer: Apex Clean Energy
10 MW
Expected Online: July 2026
Location: Cameron, Texas
10 MW
Expected Online: July 2026
Location: Harris, Texas
0 MW
Expected Online: July 2026
Location: Hamilton, Texas
Developer: Diode Ventures
Cleanview