Longtown Energy Storage

South Carolina

Capacity
4.5 MW
Status
Under construction
Fuel
Battery storage
Technology
Batteries
Operator
Duke Energy Carolinas, LLC
County
Fairfield County
State
South Carolina
Expected online
September 2026
Balancing authority
DUK

Longtown Energy Storage is a 4.5 MW battery storage power plant in South Carolina. Operated by Duke Energy Carolinas, LLC, it is under construction with an expected online date of September 2026. The facility is located in Fairfield County, within the DUK balancing authority.

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Nearby battery storage plants in South Carolina

Source: U.S. Energy Information Administration (EIA-860M)