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Wilkes — Power plant · Gas, steam turbine · Southwestern Electric Power Co
  • Combustion
  • Operating
  • 10 · 100 · 1,000 MW

Power plant · Gas, steam turbine

Key facts

Power plant · Gas, steam turbineran 13% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1964
Net generation, 2025
995,424 MWh
Grid
345 kV to Southwestern Electric Power Co (SWPP)
Location
Marion County, Texas

Output

Net generation MWh by year, 2001 to 2025
Fuel burned MMBtu by year, 2001 to 2025
  • Gas
  • Oil

Operations detail

Details

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Technology
Gas, steam turbine source: “Natural Gas Steam Turbine”
Age
62 years since 1964
Unused energy
6,731 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
11,220 Btu/kWh 2025
All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Grid
Nerc region
MRO
Report year
2025
Grid voltage kv
345
Transmission owner
Southwestern Electric Power Co
Balancing authority code
SWPP
Balancing authority name
Southwest Power Pool
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110071161578
Subparts reported
D
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1000936
Fuel burned (MMBtu), 202511,168,758
Capacity factor, 20250.129
Heat rate (Btu/kWh), 202511,220.1
Net generation (MWh), 2025995,424
Balancing authority codeSWPP

Ownership

2 companies2
Companies with an ownership or operating interest in this asset.
CompanyRoleShareAs ofSource
Southwestern Electric Power Co Operator EIA-860M
AMERICAN ELECTRIC POWER CO INC Owner 100.0% Dec 31, 2023 EPA GHGRP

Timeline

  • In service · EIA-860M