408th largest plant in Illinois · 12057th nationally
Galesburg Solar Array is a solar power plant in Illinois with a nameplate capacity of 1.4 MW. It generates roughly 2.8k MWh per year — enough to power about 270 average U.S. homes.
Its capacity factor of 23% reflects intermittent or peaking operation.
| Plant Name | Galesburg Solar Array |
|---|---|
| Operator | Aep Onsite Partners, Llc |
| City | Oquawka |
| County | Henderson County |
| State | Illinois |
| ZIP | 61469 |
| Coordinates | 40.91990, -90.94840 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GWA01 | Solar Photovoltaic | Solar | 1.4 MW | Operating | 2020 |
| 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.