Wallace Dam — Plant Summary
- EIA Plant ID
- 6087
- Capacity
- 321.2 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric, Hydroelectric Pumped Storage
- Status
- Operating
- Location
- Hancock, GA
- Operating Since
- 1979
- Generators
- 6
- Operator
- Georgia Power Co
- Parent Company
- Southern
- Annual Generation
- 39,914 MWh
- Capacity Factor
- 1.4%
- Balancing Authority
- Southern Company Services, Inc. - Trans
- ISO/RTO
- —
- NERC Region
- SERC
Wallace Dam
OperatingHydroHybrid
Ranked #5 of 30 Hydro plants in GA#66 of 1454 nationally
321.2 MW Conventional Hydroelectric (112 MW) + Hydroelectric Pumped Storage (209 MW) operating in Hancock, GA — Southern Company Services, Inc. - Trans
EIAGEMWD
321.2 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Hydroelectric Pumped Storage
1979
Operating Since
Location
Coordinates
33.3502, -83.1574
County
Hancock, GA
Nearby Plants
- Putnam Erikson 2Solar2.9 MW · 15.3 km
- Drawhorn SolarSolar80 MW · 18.5 km
- Tri-County Solar FacilitySolar1 MW · 22.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Georgia Power Co | Georgia Power | — |
| Owner(s) | Georgia Power Co | Southern | — |
| Status | Operating | operating | — |
Ownership Chain
About
Wallace Dam is a 321.2 MW hybrid hydroelectric power plant located in Hancock County, Georgia. The plant, which began operating in 1979, is owned by Southern Company and operated by Georgia Power Co. It utilizes both conventional hydroelectric and pumped storage technologies. The facility consists of 6 generators and uses water (WAT) as its primary fuel source. Wallace Dam operates within the Southern Company Services, Inc. - Trans balancing authority and the SERC NERC region.
In the most recent year of data, Wallace Dam generated 39,914 MWh of electricity, resulting in a capacity factor of 1.4%. The plant is ranked as the 5th largest of 7 hydroelectric facilities in Georgia, and 66th out of 194 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Southern Company Services, Inc. - Trans
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
−2.1K MWh
Net Charging
39.9K MWh
Annual Net Energy
1.4%
Capacity Factor
Jan 2023 – Dec 2025
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
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