170th largest plant in Massachusetts · 7981st nationally
Deerfield 4 is a hydroelectric power plant in Massachusetts with a nameplate capacity of 4.8 MW. It generates roughly 29.0k MWh per year — enough to power about 2,763 average U.S. homes.
Its capacity factor of 69% puts it in the middle range — running steadily but not full-time.
| Plant Name | Deerfield 4 |
|---|---|
| Operator | Great River Hydro, Llc |
| City | Buckland |
| County | Franklin County |
| State | Massachusetts |
| ZIP | 01338 |
| Coordinates | 42.61980, -72.73760 |
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 | 1.6 MW | Operating | 1912 |
| GEN2 | Conventional Hydroelectric | Water | 1.6 MW | Operating | 1912 |
| GEN3 | Conventional Hydroelectric | Water | 1.6 MW | Operating | 1912 |
| 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.