23rd largest plant in Montana · 2812th nationally
Mtsun is a solar power plant in Montana with a nameplate capacity of 80.0 MW. It generates roughly 154.2k MWh per year — enough to power about 14,688 average U.S. homes.
Its capacity factor of 22% reflects intermittent or peaking operation.
| Plant Name | Mtsun |
|---|---|
| Operator | Greenbacker Renewable Energy Corporation |
| City | Billings |
| County | Yellowstone County |
| State | Montana |
| ZIP | 59106 |
| Coordinates | 45.85600, -108.60200 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| MTSUN | Solar Photovoltaic | Solar | 80.0 MW | Operating | 2023 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Northwestern Energy (Nwmt) |
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.