59th largest plant in Maine · 5596th nationally
Hiram is a hydroelectric power plant in Maine with a nameplate capacity of 10.5 MW. It generates roughly 53.8k MWh per year — enough to power about 5,122 average U.S. homes.
Its capacity factor of 58% puts it in the middle range — running steadily but not full-time.
| Plant Name | Hiram |
|---|---|
| Operator | Brookfield White Pine Hydro Llc |
| City | Hiram |
| County | Cumberland County |
| State | Maine |
| ZIP | 04024 |
| Coordinates | 43.85250, -70.79690 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 2 | Conventional Hydroelectric | Water | 8.1 MW | Operating | 1985 |
| 1 | Conventional Hydroelectric | Water | 2.4 MW | Operating | 1917 |
| 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.