AES WARRIOR RUN COGENERATION FACILITY
Retired 2024Coal power plant
- Capacity
- 229 MW
- Primary fuel
- Coal
- County
- Allegany County
- Operator
- AES WR LTD PARTNERSHIP
- EIA plant ID
- 10678
- Coordinates
- 39.5954, -78.7455
AES WARRIOR RUN COGENERATION FACILITY, a retired 229 MW Coal power plant in Allegany County, Maryland. It was retired in 2024, according to EIA-860.
How AES WARRIOR RUN COGENERATION FACILITY compares
It was retired in 2024 according to EIA-860, so it is not counted in Maryland's operating fleet.
Grid neighborhood
The nearest named substation is RIDGELEY (138 kV), about 3.1 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by THE POTOMAC EDISON CO, about 1.4 miles away. Another 5 operating power plants totaling 273 MW sit within 25 miles; the largest is TWIN RIDGES WIND FARM (139 MW, Wind).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
AES WARRIOR RUN COGENERATION FACILITY is a retired 229 MW coal power plant in Allegany County, MD, formerly operated by AES WR LTD PARTNERSHIP. Allegany County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.2 of 5 at the 31st national percentile. Hurricane is the leading peril, rated Relatively Low by FEMA at the 61st percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Allegany County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Low | 61st | 3.4 of 5 | 0.03 |
| Winter weather | Relatively Moderate | 58th | 3.3 of 5 | 19.6 |
| Hail | Relatively Low | 46th | 2.9 of 5 | 2.3 |
| Riverine flooding | Relatively Moderate | 45th | 2.8 of 5 | 2.0 |
| Earthquake | Very Low | 33rd | 2.3 of 5 | <0.01 |
| Ice storm | Relatively Low | 29th | 2.2 of 5 | 0.34 |
| Strong wind | Relatively Moderate | 26th | 2.1 of 5 | 3.5 |
| Tornado | Relatively Low | 20th | 1.8 of 5 | 0.14 |
| Lightning | Relatively Low | 19th | 1.8 of 5 | 38.0 |
| Wildfire | Very Low | 19th | 1.8 of 5 | <0.01 |
| Heat wave | Relatively Low | 14th | 1.6 of 5 | 1.5 |
Perils not assessed in Allegany 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 Allegany 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.