8th largest plant in New Hampshire · 1768th nationally
Comerford is a hydroelectric power plant in New Hampshire with a nameplate capacity of 168 MW. It generates roughly 405.1k MWh per year — enough to power about 38,576 average U.S. homes.
Its capacity factor of 28% reflects intermittent or peaking operation.
| Plant Name | Comerford |
|---|---|
| Operator | Great River Hydro, Llc |
| City | Monroe |
| County | Grafton County |
| State | New Hampshire |
| ZIP | 03771 |
| Coordinates | 44.32505, -72.00097 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN2 | Conventional Hydroelectric | Water | 48.6 MW | Operating | 1930 |
| GEN3 | Conventional Hydroelectric | Water | 48.6 MW | Operating | 1930 |
| GEN4 | Conventional Hydroelectric | Water | 48.6 MW | Operating | 1930 |
| GEN1 | Conventional Hydroelectric | Water | 22.0 MW | Operating | 1930 |
| NERC Region | NPCC |
|---|---|
| Balancing Authority | Iso New England Inc. |
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.