187th largest plant in Massachusetts · 8126th nationally
Iron Horse Solar 4, Llc is a solar power plant in Massachusetts with a nameplate capacity of 4.5 MW. It generates roughly 7.4k MWh per year — enough to power about 702 average U.S. homes.
Its capacity factor of 19% reflects intermittent or peaking operation.
| Plant Name | Iron Horse Solar 4, Llc |
|---|---|
| Operator | Iron Horse Solar 4, Llc |
| City | North Billerica |
| County | Middlesex County |
| State | Massachusetts |
| ZIP | 01862 |
| Coordinates | 42.58005, -71.26032 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | Solar | 4.5 MW | Operating | 2017 |
| 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.