McWilliams — Plant Summary
- EIA Plant ID
- 533
- Capacity
- 654 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Covington, AL
- Operating Since
- 1954
- Generators
- 7
- Operator
- PowerSouth Energy Cooperative
- Parent Company
- —
- Annual Generation
- 3,514,429 MWh
- Capacity Factor
- 61.1%
- Balancing Authority
- Southern Company Services, Inc. - Trans
- ISO/RTO
- —
- NERC Region
- SERC
McWilliams
OperatingNatural Gas
Ranked #15 of 25 Natural Gas plants in AL#353 of 2009 nationally
654 MW Natural Gas operating in Covington, AL — Southern Company Services, Inc. - Trans
EIAWD
654 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combined Cycle
Technology
1954
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PowerSouth Energy Cooperative | PowerSouth Energy Cooperative | — |
| Owner(s) | PowerSouth Energy Cooperative | PowerSouth Energy Cooperative | — |
| Status | Operating | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Southern Company Services, Inc. - Trans
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
302.5K MWh
Latest Month
3.5M MWh
Annual Generation
61.1%
Capacity Factor
Dec 2022 – Dec 2025
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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The US has replaced Russia to a great extent as an energy supplier to the European Union, but this has not so far created a new vulnerability.
Bruegel·2 weeks ago
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The case for delaying the application of the EU’s carbon border levy to electricity
The European Union is set to introduce in January 2026 a tariff on the carbon emissions associated with imported products.
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Reconciling the European Union’s clean industrialisation goals with those of the Global South
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Bruegel·8 months ago
General
Lula Mae McWilliams Obituary (2024) - Rochester, NY - D.M. Williams Funeral Home, Inc. - Rochester
Lula McWilliams Obituary Lula Mae Brady was born on July 22, 1927, to the late Beady and Mandy Brady in Chatman, Alabama, a small close-knit...
Legacy | Obituary·1 years ago
Last updated 2026-03-26
View all 10 articles