Explore the largest battery storage projects expected to come online in PJM 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 PJM. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in PJM.
As of May 2026, there are 363 battery storage projects in development in PJM, according to Cleanview's project tracker. Their total planned capacity is 67,787 MW. See also: operating battery storage projects in PJM→
Planned Projects
363
Planned Capacity
67,787 MW
Unique Developers
18
1,206 MW
Expected Online: June 2025
Location: Illinois
1,206 MW
Expected Online: TBD
Location: Illinois
1,200 MW
Expected Online: TBD
Location: Lee, Illinois
1,200 MW
Expected Online: TBD
Location: Lee, Illinois
1,200 MW
Expected Online: TBD
Location: Lee, Illinois
1,122 MW
Expected Online: TBD
Location: Charles, Maryland
800 MW
Expected Online: TBD
Location: Sussex, Virginia
715 MW
Expected Online: December 2024
Location: Decatur, Indiana
689 MW
Expected Online: TBD
Location: Huntington, Indiana
20 MW
Expected Online: September 2026
Location: Warren, New Jersey
Developer: V20 Energy
40 MW
Expected Online: December 2026
Location: Middlesex, Virginia
Developer: Dominion Energy
20 MW
Expected Online: December 2026
Location: Sussex, New Jersey
Developer: V20 Energy
200 MW
Expected Online: May 2027
Location: Licking, Ohio
Developer: Eolian Energy
5 MW
Expected Online: June 2027
Location: Burlington, New Jersey
Developer: NAES
635 MW
Expected Online: August 2027
Location: Lake, Illinois
Developer: Calpine
170 MW
Expected Online: August 2027
Location: Mercer, New Jersey
Developer: REV Renewables
120 MW
Expected Online: September 2027
Location: Loudoun, Virginia
Developer: EDP Renewables
150 MW
Expected Online: October 2027
Location: Loudoun, Virginia
Developer: Dominion Energy