Castle Gap Solar Hybrid
5291 US HWY 385 South, McCarney, TX 79752Plant Summary Information
Castle Gap Solar Hybrid is ranked #87 out of 245 solar farms in Texas in terms of total annual net electricity generation.
Castle Gap Solar Hybrid generated 90.1 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Castle Gap Solar Hybrid |
|---|---|
| Utility Name | Upton County Solar 2 LLC |
| Location | Upton County, TX |
| Initial Operation Date | May 2018 |
| Last Update | May 2026 |
| Annual Generation | 359.0 GWh |
| Annual Consumption | 1.4 M MMBtu |
| Ranked #1,793 out of 13,081 Power Plants Nationwide | |
| Ranked #233 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #366 out of 852 Texas Power Plants | |
| Ranked #87 out of 245 Texas Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operators |
Upco Power 1, LLC (2015 to 2015) Consolidated Edison Development Inc. (2016 to 2016) Upton County Solar 2 LLC (2017 to 2025) |
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Monthly Net Generation for Castle Gap Solar Hybrid
Monthly Plant Fuel Consumption for Castle Gap Solar Hybrid
Castle Gap Solar Hybrid Details
| Summary Information | |
|---|---|
| Plant Name | Castle Gap Solar Hybrid (60123) |
| Plant Address | 5291 US HWY 385 South, McCarney, TX 79752 |
| Utility | Upton County Solar 2 LLC (61123) |
| Latitude, Longitude | 31.255, -102.272 |
| Generation Dates on File | May 2018 to May 2026 |
| Initial Operation Date | May 2018 |
| Annual Generation | 359.0 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | TRE |
| Balancing Authority | Electric Reliability Council of Texas, Inc. (ERCO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Lower Colorado River Authority (11269) |
| Grid Voltage | 138.00 kV |
| Energy Storage | Yes |
Generator CGAP Details Operating May 2018
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 180 MW |
| Summer Capacity | 180 MW |
| Winter Capacity | 180 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 2018 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Tilt Angle | 60 |
| DC Net Capacity | 234 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Generator BAT1 Details Operating June 2019
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 9.9 MW |
| Summer Capacity | 9.9 MW |
| Winter Capacity | 9.9 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 2019 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Electricity used for energy storage |
| Time From Cold Shutdown To Full Load | 10M |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 42 |
|---|---|
| Maximum Charge Rate | 9.9 MW |
| Maximum Discharge Rate | 9.9 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 4.8 |
| Storage Enclosure Type | CS |
| Frequency Regulation | Yes |
| Load Following | P |
| Excess Wind And Solar Generation | Yes |
| Ac Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 60123 |
| Direct Support Gen Id | CGAP |
| Support T D Asset | No |
Castle Gap Solar Hybrid Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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Nearby Power Plants
Below are closest 20 power plants surrounding Castle Gap Solar Hybrid.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alamo 6 | Fort Stockton, TX | 211.6 GWh | 18.1 mi |
| Appaloosa Run Wind | Rankin, TX | 687.8 GWh | 26.9 mi |
| Big Sampson Wind | TBD, TX | 359.3 GWh | 31.3 mi |
| Crane Solar Project | Crane, TX | 395.1 GWh | 2.3 mi |
| Desert Sky | Iraan, TX | 541.2 GWh | 25.7 mi |
| East Pecos Solar | McCamey, TX | 225.1 GWh | 17.6 mi |
| Emerald Grove | Crane, TX | 242.8 GWh | 12.3 mi |
| Greasewood II LLC | Girvin, TX | 846.6 GWh | 22.3 mi |
| Greasewood Solar | Fort Stockton, TX | 433.1 GWh | 20.1 mi |
| High Lonesome Wind Power, LLC Hybrid | Rankin, TX | 1.5 TWh | 23.8 mi |
| King Mountain Wind Ranch 1 | McCamey, TX | 628.9 GWh | 3.6 mi |
| Midway Solar - TX | Fort Stockton, TX | 310.8 GWh | 18.2 mi |
| NWP Indian Mesa Wind Farm | Iraan, TX | 178.5 GWh | 22.7 mi |
| Pearl Solar | Fort Stockton, TX | 88.5 GWh | 18.5 mi |
| RE Maplewood | McCamey, TX | 540.8 GWh | 19.3 mi |
| Roadrunner, LLC Hybrid | McCamey, TX | 1.0 TWh | 5.3 mi |
| Swift Air Solar II | Odessa, TX | 179.7 GWh | 35.5 mi |
| Upton County Solar | McCamey, TX | 275.4 GWh | 1.4 mi |
| Woodward Mountain I | Girvin, TX | 140.1 GWh | 22.6 mi |
| Woodward Mountain II | Girvin, TX | 132.5 GWh | 22.6 mi |