502nd largest plant in Massachusetts · 11275th nationally
Kearsarge Upper Union is a solar power plant in Massachusetts with a nameplate capacity of 1.8 MW. It generates roughly 1.3k MWh per year — enough to power about 125 average U.S. homes.
Its capacity factor of 8% reflects intermittent or peaking operation.
| Plant Name | Kearsarge Upper Union |
|---|---|
| Operator | Kearsarge Upper Union Llc |
| City | Franklin |
| County | Norfolk County |
| State | Massachusetts |
| ZIP | 02038 |
| Coordinates | 42.05028, -71.39128 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| FUU | Solar Photovoltaic | Solar | 1.0 MW | Operating | 2023 |
| UUBAT | Batteries | Battery | 0.8 MW | Operating | 2023 |
| NERC Region | NPCC |
|---|---|
| Balancing Authority | Iso New England Inc. |
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.