Explore the largest battery storage projects expected to come online in PJM 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 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 June 2026, there are 220 battery storage projects in development in PJM, according to Cleanview's project tracker. Their total planned capacity is 37,805 MW. See also: operating battery storage projects in PJM→
Planned Projects
220
Planned Capacity
37,805 MW
Unique Developers
19
1,206 MW
Expected Online: June 2025
Location: Illinois
1,206 MW
Expected Online: TBD
Location: Illinois
800 MW
Expected Online: TBD
Location: Madison, Ohio
800 MW
Expected Online: TBD
Location: Madison, Ohio
715 MW
Expected Online: December 2024
Location: Decatur, Indiana
650 MW
Expected Online: June 2029
Location: James City, Virginia
650 MW
Expected Online: TBD
Location: James City, Virginia
635 MW
Expected Online: July 2029
Location: Lake, Illinois
Developer: Calpine
600 MW
Expected Online: December 2024
Location: Marshall, 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
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
305 MW
Expected Online: December 2027
Location: LaPorte, Indiana
Developer: RWE