MCCLAIN ENERGY FACILITY
OperatingNatural Gas power plant
- Capacity
- 469 MW
- Primary fuel
- Natural Gas
- County
- McClain County
- Operator
- OKLAHOMA GAS & ELECTRIC CO
- Status
- Operating
- Commissioned
- 2001
- EIA plant ID
- 55457
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 2,053 GWh
- Capacity factor (2024, EIA nameplate)
- 42%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 35.2981, -97.5900
MCCLAIN ENERGY FACILITY, a 469 MW Natural Gas power plant in McClain County, Oklahoma. Operated by OKLAHOMA GAS & ELECTRIC CO, commissioned 2001.
How MCCLAIN ENERGY FACILITY compares
With 469 MW of capacity, MCCLAIN ENERGY FACILITY ranks 16th among the 73 operating power plants Bywatts maps in Oklahoma and 12th of the 23 operating Natural Gas plants in the state. It accounts for about 3.4% of Oklahoma's operating Natural Gas capacity and 1.9% of all operating capacity in the state. Nationally it is the 345th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2001, it is newer than 51% of the 72 operating Oklahoma plants with a recorded commissioning year. Its operator, OKLAHOMA GAS & ELECTRIC CO, runs 10 operating plants in Oklahoma totaling 8,515 MW.
EIA-860 lists 3 generators at the site with 551 MW of nameplate capacity, all natural gas fired combined cycle technology (this page's HIFLD capacity figure is 469 MW). Net generation was 2,053 GWh in 2024 (a 42% capacity factor), down 11% from 2022.
Grid neighborhood
The nearest named substation is DRAPER (345 kV), about 14.9 miles away; the closest transmission line found within 10 miles is a 138 kV line, under 0.1 miles away. Another 5 operating power plants totaling 954 MW sit within 25 miles; the largest is MUSTANG (613 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
MCCLAIN ENERGY FACILITY is a 469 MW natural gas power plant in McClain County, OK, operated by OKLAHOMA GAS & ELECTRIC CO, commissioned in 2001. McClain County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.8 of 5 at the 95th national percentile. Tornado is the leading peril, rated Relatively Moderate by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
McClain County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively Moderate | 97th | 4.9 of 5 | 0.69 |
| Hail | Relatively Moderate | 96th | 4.8 of 5 | 11.4 |
| Ice storm | Relatively High | 94th | 4.8 of 5 | 1.4 |
| Lightning | Very Low | 81st | 4.2 of 5 | 52.1 |
| Wildfire | Relatively Low | 81st | 4.2 of 5 | <0.01 |
| Earthquake | Very Low | 64th | 3.5 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 63rd | 3.5 of 5 | 0.82 |
| Winter weather | Relatively Moderate | 60th | 3.4 of 5 | 8.9 |
| Heat wave | Relatively Moderate | 55th | 3.2 of 5 | 17.9 |
| Strong wind | Relatively Low | 29th | 2.2 of 5 | 5.2 |
| Hurricane | Very Low | 16th | 1.6 of 5 | 0.01 |
Perils not assessed in McClain County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for McClain County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.