Home / Power plants / Georgia / Hartwell Lake

Hartwell Lake

Hydro power plant · Hart County, Georgia

Nameplate capacity
420 MW
Rank in Georgia
#27
of 264 plants
In service since
1962
April 1962

Details

Primary fuel
Hydro
Technology
Conventional Hydroelectric
Operator
USCE-Savannah District
County
Hart County
Generating units
5
Share of state capacity
0.98%
Rank among hydro plants in Georgia
#4 of 30
EIA plant code
754

Generating units

Individual generating units at Hartwell Lake
UnitTechnologyNameplateSummerOnlineStatus
1Conventional Hydroelectric85 MW85 MW1962Operating
2Conventional Hydroelectric85 MW85 MW1962Operating
3Conventional Hydroelectric85 MW85 MW1962Out of service but expected to return to service in next calendar year
4Conventional Hydroelectric85 MW70 MW1962Operating
5Conventional Hydroelectric80 MW80 MW1983Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Georgia

Hawk Road FacilityNatural gas495 MW
Walton County Energy FacilityNatural gas494 MW
Doyle Energy FacilityNatural gas409 MW
MPC GeneratingNatural gas386 MW

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 420 MW solar plant and a 420 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Georgia power plants · What Georgia actually generates