54th largest plant in Maine · 5272nd nationally
Pejepscot Hydroelectric Project is a hydroelectric power plant in Maine with a nameplate capacity of 13.5 MW. It generates roughly 70.6k MWh per year — enough to power about 6,719 average U.S. homes.
Its capacity factor of 60% puts it in the middle range — running steadily but not full-time.
| Plant Name | Pejepscot Hydroelectric Project |
|---|---|
| Operator | Topsham Hydro Partners |
| City | Topsham |
| County | Sagadahoc County |
| State | Maine |
| ZIP | 04086 |
| Coordinates | 43.95745, -70.02416 |
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 Hydroelectric | Water | 12.3 MW | Operating | 1987 |
| GEN4 | Conventional Hydroelectric | Water | 0.5 MW | Operating | 1987 |
| GEN2 | Conventional Hydroelectric | Water | 0.4 MW | Operating | 1987 |
| GEN3 | Conventional Hydroelectric | Water | 0.3 MW | Operating | 1987 |
| 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.