654 MW Natural Gas operating in Covington, AL — Southern Company Services, Inc. - Trans
654 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combined Cycle
Technology
1954
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PowerSouth Energy Cooperative | PowerSouth Energy Cooperative | — |
| Owner(s) | PowerSouth Energy Cooperative | PowerSouth Energy Cooperative | — |
| Status | Operating | — | — |
The McWilliams plant is a 654 MW natural gas-fired combined cycle power plant located in Covington County, Alabama. It began operating in 1954 and consists of 7 generators. The plant is owned and operated by PowerSouth Energy Cooperative. McWilliams is ranked as the 15th largest power plant in Alabama out of 21, and 356th nationally out of 945 plants.
The plant operates within the Southern Company Services, Inc. - Trans balancing authority and the SERC NERC region. In the latest year of reported data, McWilliams generated 3,514,429 MWh of electricity, achieving a capacity factor of 61.1%.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Southern Company Services, Inc. - Trans
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
302.5K MWh
Latest Month
3.5M MWh
Annual Generation
61.1%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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