225th largest plant in Illinois · 10231st nationally
Briscoe 1a is a solar power plant in Illinois with a nameplate capacity of 2.0 MW. It generates roughly 4.0k MWh per year — enough to power about 384 average U.S. homes.
Its capacity factor of 23% reflects intermittent or peaking operation.
| Plant Name | Briscoe 1a |
|---|---|
| Operator | 7th Road Solar 1, Llc (Briscoe 1a) |
| City | Tonica |
| County | Lasalle County |
| State | Illinois |
| ZIP | 61370 |
| Coordinates | 41.20703, -89.03174 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| BR1A | Solar Photovoltaic | Solar | 2.0 MW | Operating | 2023 |
| NERC Region | SERC |
|---|---|
| Balancing Authority | Midcontinent Independent Transmission System Operator, 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.