49th largest plant in Illinois · 1187th nationally
Sapphire Sky Wind Energy Llc is a wind power plant in Illinois with a nameplate capacity of 260 MW. It generates roughly 716.7k MWh per year — enough to power about 68,255 average U.S. homes.
Its capacity factor of 31% reflects intermittent or peaking operation.
| Plant Name | Sapphire Sky Wind Energy Llc |
|---|---|
| Operator | Invenergy Services Llc |
| City | Farmer City |
| County | Dewitt County |
| State | Illinois |
| ZIP | 61842 |
| Coordinates | 40.29450, -88.58455 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 65011 | Onshore Wind Turbine | Wind | 260 MW | Operating | 2023 |
| Owner | Location | Share |
|---|---|---|
| Wec Energy Group | Milwaukee, WI | 9000.0% |
| Invenergy Services Llc | Chicago, IL | 1000.0% |
Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.
| NERC Region | SERC |
|---|---|
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. |
Wind farms harvest kinetic energy from moving air using large rotor blades coupled to generators. Like solar, they produce zero emissions but vary with weather. Onshore wind capacity factors typically run 30–45%; offshore can exceed 50%.