208th largest plant in Massachusetts · 8379th nationally
Old Frontier Solar Iii is a battery storage power plant in Massachusetts with a nameplate capacity of 4.0 MW.
| Plant Name | Old Frontier Solar Iii |
|---|---|
| Operator | Old Frontier Solar Iii Pv, Llc |
| City | South Deerfield |
| County | Franklin County |
| State | Massachusetts |
| ZIP | 01373 |
| Coordinates | 42.49405, -72.62251 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 16501 | Solar Photovoltaic | Solar | 2.0 MW | Operating | 2022 |
| 16502 | Batteries | Battery | 2.0 MW | Operating | 2022 |
| NERC Region | NPCC |
|---|---|
| Balancing Authority | Iso New England Inc. |
Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.