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- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
McWilliams: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
McWilliams
Power plant · Gas, combined cycle
Key facts
Power plant · Gas, combined cycleran 61% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1954
- Net generation, 2025
- 3,514,429 MWh
- Grid
- 115 kV to PowerSouth Energy Cooperative (SOCO)
- Location
- Covington County, Alabama
- Operated by
- PowerSouth Energy CooperativeSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Gas
- Oil
Details
Who’s behind it
- Owner
- PowerSouth Energy CooperativeSource100.0%, EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT), as of 31 Dec 2023
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- Technology
- Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
- Age
- 72 years since 1954
- Unused energy
- 2,215 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
- Heat rate
- 7,581 Btu/kWh 2025
All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Grid |
|
| EPA greenhouse gas reporting (GHGRP) |
|
| Fuel burned (MMBtu), 2025 | 26,642,079 |
| Capacity factor, 2025 | 0.613 |
| Heat rate (Btu/kWh), 2025 | 7,580.8 |
| Net generation (MWh), 2025 | 3,514,429.1 |
| Balancing authority code | SOCO |
Timeline
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)