14th largest plant in Maryland · 1341st nationally
Aes Warrior Run Cogeneration Facility is a coal power plant in Maryland with a nameplate capacity of 229 MW. It generates roughly 658.1k MWh per year — enough to power about 62,671 average U.S. homes.
Its capacity factor of 33% reflects intermittent or peaking operation. At 1723 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
Ghost bars are each month's theoretical maximum (229 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.
| Plant Name | Aes Warrior Run Cogeneration Facility |
|---|---|
| Operator | Aes Wr Ltd Partnership |
| City | Cumberland |
| County | Allegany County |
| State | Maryland |
| ZIP | 21502 |
| Coordinates | 39.59517, -78.74533 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Conventional Steam Coal | Bituminous Coal | 229 MW | Retired | 1999 |
| CO₂ | 566.9k metric tons |
|---|---|
| SO₂ | 428 metric tons |
| NOₓ | 170 metric tons |
| CO₂ Rate | 1723 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
| NERC Region | RFC |
|---|---|
| Balancing Authority | Pjm Interconnection, Llc |
Coal plants burn pulverized coal to boil water and spin steam turbines. They emit substantial CO₂, SO₂, and NOₓ along with mercury and particulate matter. Modern units include scrubbers and selective catalytic reduction; older units are increasingly being retired or converted to natural gas as economics shift.