324th largest plant in Texas · 1637th nationally
Castle Gap Solar Hybrid is a solar power plant in Texas with a nameplate capacity of 190 MW. It generates roughly 396.2k MWh per year — enough to power about 37,737 average U.S. homes.
Its capacity factor of 24% reflects intermittent or peaking operation.
| Plant Name | Castle Gap Solar Hybrid |
|---|---|
| Operator | Upton County Solar 2 Llc |
| City | Mccarney |
| County | Upton County |
| State | Texas |
| ZIP | 79752 |
| Coordinates | 31.25500, -102.27200 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| CGAP | Solar Photovoltaic | Solar | 180 MW | Operating | 2018 |
| BAT1 | Batteries | Battery | 9.9 MW | Operating | 2019 |
| NERC Region | TRE |
|---|---|
| Balancing Authority | Electric Reliability Council Of Texas, 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.