Expected commercial operation: December 2026
South Portland ESS, LLC is a planned battery storage project located in Cumberland, Maine. It would have a capacity of 10 MW. It is expected to come online in December 2026. Being developed by South Portland ESS.
Capacity
10 MW
State
Maine
County
Cumberland
Developer
Sign up to view →Expected Online
December 2026
Balancing Authority
ISNE
Track more projects with Cleanview
Access 1,000+ projects, track development, and find contacts.
Cleanview