60th largest plant in Michigan · 2893rd nationally
Assembly Solar Iii is a solar power plant in Michigan with a nameplate capacity of 79.0 MW. It generates roughly 152.7k MWh per year — enough to power about 14,539 average U.S. homes.
Its capacity factor of 22% reflects intermittent or peaking operation.
| Plant Name | Assembly Solar Iii |
|---|---|
| Operator | Assembly Solar Iii, Llc |
| City | Lennon |
| County | Shiawassee County |
| State | Michigan |
| ZIP | 48449 |
| Coordinates | 43.02271, -83.94273 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| AS3 | Solar Photovoltaic | Solar | 79.0 MW | Operating | 2022 |
| NERC Region | RFC |
|---|---|
| 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.