92nd largest plant in Colorado · 4902nd nationally
Greater Sandhill I is a solar power plant in Colorado with a nameplate capacity of 19.0 MW. It generates roughly 43.4k MWh per year — enough to power about 4,128 average U.S. homes.
Its capacity factor of 26% reflects intermittent or peaking operation.
| Plant Name | Greater Sandhill I |
|---|---|
| Operator | Greater Sandhill I Llc |
| City | Mosca |
| County | Alamosa County |
| State | Colorado |
| ZIP | 81146 |
| Coordinates | 37.68547, -105.89090 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GS-P1 | Solar Photovoltaic | Solar | 10.0 MW | Operating | 2010 |
| GS-P2 | Solar Photovoltaic | Solar | 9.0 MW | Operating | 2010 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Public Service Company Of Colorado |
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.