91st largest plant in Alaska · 9135th nationally
King Cove is a hydroelectric power plant in Alaska with a nameplate capacity of 3.0 MW. It generates roughly 4.5k MWh per year — enough to power about 426 average U.S. homes.
Its capacity factor of 17% reflects intermittent or peaking operation. At 289 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.
| Plant Name | King Cove |
|---|---|
| Operator | City Of King Cove |
| City | King Cove |
| County | Aleutians East County |
| State | Alaska |
| ZIP | 99612 |
| Coordinates | 55.04817, -162.29323 |
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1 | All Other | Other | 1.1 MW | Operating | 2008 |
| 5 | Conventional Hydroelectric | Water | 0.8 MW | Operating | 1995 |
| 2 | Petroleum Liquids | Distillate Oil | 0.6 MW | Standby | 1986 |
| 3 | Petroleum Liquids | Distillate Oil | 0.5 MW | Operating | 2008 |
| 4 | Petroleum Liquids | Distillate Oil | 0.5 MW | Operating | 2008 |
| 6 | Conventional Hydroelectric | Water | 0.4 MW | Operating | 2017 |
| CO₂ | 647 metric tons |
|---|---|
| SO₂ | 1 metric tons |
| NOₓ | 22 metric tons |
| CO₂ Rate | 289 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.
Hydroelectric plants spin turbines using falling or flowing water — typically from a dam-impounded reservoir. They are dispatchable, long-lived, and emission-free at the point of generation, though large reservoirs can disrupt rivers and ecosystems and methane can be released from flooded vegetation.