18th largest plant in Rhode Island · 5585th nationally
Gd Hopkinton Main I, Llc is a solar power plant in Rhode Island with a nameplate capacity of 10.6 MW. It generates roughly 15.8k MWh per year — enough to power about 1,503 average U.S. homes.
Its capacity factor of 17% reflects intermittent or peaking operation.
| Plant Name | Gd Hopkinton Main I, Llc |
|---|---|
| Operator | Gd Hopkinton Main I, Llc |
| City | Hopkinton |
| County | Washington County |
| State | Rhode Island |
| ZIP | 02804 |
| Coordinates | 41.43829, -71.78109 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| MAIN3 | Solar Photovoltaic | Solar | 4.1 MW | Operating | 2020 |
| MAIN2 | Solar Photovoltaic | Solar | 3.9 MW | Operating | 2020 |
| MAIN1 | Solar Photovoltaic | Solar | 2.6 MW | Operating | 2020 |
| 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.