Rio Nogales Power Project
711 Rio Nogales Drive, Seguin, TX 78155Plant Summary Information
Rio Nogales Power Project is ranked #25 out of 799 power plants in Texas in terms of total annual net electricity generation.
Rio Nogales Power Project is comprised of 4 generators and generated 1.6 TWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Rio Nogales Power Project |
|---|---|
| Utility Name | City of San Antonio - (TX) |
| Location | Guadalupe County, TX |
| Initial Operation Date | May 2002 |
| Last Update | Sep 2025 |
| Annual Generation | 5.0 TWh |
| Annual Consumption | 39.3 M MMBtu |
| Ranked #224 out of 12,539 Power Plants Nationwide | |
| Ranked #105 out of 2,243 Natural Gas Power Plants Nationwide | |
| Ranked #25 out of 799 Texas Power Plants | |
| Ranked #17 out of 314 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for Rio Nogales Power Project
Rio Nogales Power Project Details
| Summary Information | |
|---|---|
| Plant Name | Rio Nogales Power Project (55137) |
| Plant Address | 711 Rio Nogales Drive, Seguin, TX 78155 |
| Utility | City of San Antonio - (TX) (16604) |
| Latitude, Longitude | 29.59306, -97.97322 |
| Generation Dates on File | Feb 2002 to Sep 2025 |
| Initial Operation Date | May 2002 |
| Annual Generation | 5.0 TWh |
| Fuel Types | Natural Gas |
| 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 | Regulated |
| NERC Region | TRE |
| Balancing Authority | Electric Reliability Council of Texas, Inc. (ERCO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Municipality |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Lower Colorado River Authority (11269) |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
ENTERPRISE TEXAS PIPELINE KINDER MORGAN TEXAS PIPELINE LLC PHILLIPS UTIL GAS CORP |
| Natural Gas Storage | No |
Generator CTG1 Details Operating May 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | RIONOG_CT1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | RIONOG_CT1 |
| Nameplate Capacity | 189 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 165.5 MW |
| Winter Capacity | 196 MW |
| Minimum Load | 100 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator CTG2 Details Operating May 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | RIONOG_CT2 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | RIONOG _CT2 |
| Nameplate Capacity | 189 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 158 MW |
| Winter Capacity | 193 MW |
| Minimum Load | 100 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2002 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Planned Net Summer Capacity Uprate | 3 MW |
| Planned Net Winter Capacity Uprate | 3 MW |
| Planned Uprate | April 2025 |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator CTG3 Details Operating May 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | RIONOG_CT3 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | RIONOG_CT3 |
| Nameplate Capacity | 189 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 165.5 MW |
| Winter Capacity | 196 MW |
| Minimum Load | 100 MW |
| Uprate/Derate Completed | Yes |
| Uprate Or Derate Completed | April 2024 |
|---|---|
| Status | Operating |
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator STG1 Details Operating May 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| RTO ISO LMP Node Designation | RIONOG_ST1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | RIONOG_ST1 |
| Nameplate Capacity | 373.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 303 MW |
| Winter Capacity | 319 MW |
| Minimum Load | 50 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Rio Nogales Power Project 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 Rio Nogales Power Project.
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|---|---|---|---|
| Arthur Von Rosenberg | Elmendorf, TX | 3.4 TWh | 33.9 mi |
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| Dunlap TP 1 | New Brannfels, TX | 4.4 GWh | 5.4 mi |
| FELPS 1 - Calaveras | Floresville, TX | 1.8 GWh | 30.7 mi |
| FELPS 2 - Calaveras | Floresville, TX | 1.9 GWh | 30.7 mi |
| FELPS 3 - Floresville South | Floresville, TX | 2.2 GWh | 33 mi |
| FELPS 4 - Floresville South | Floresville, TX | 2.2 GWh | 33.1 mi |
| FELPS 5- Floresville South | Floresville, TX | 2.2 GWh | 33.1 mi |
| Guadalupe Generating Station | Marion, TX | 5.7 TWh | 10.4 mi |
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| Mesquite Creek LFGTE Project | New Braunfels, TX | 23.9 GWh | 10.4 mi |
| Niagara Bottling - Seguin | Seguin, TX | 8.0 GWh | 0.4 mi |
| O W Sommers | San Antonio, TX | 2.5 TWh | 28.9 mi |
| OCI Alamo 2, LLC | Converse, TX | 8.8 GWh | 23.2 mi |
| OCI Alamo 3 LLC | San Antonio, TX | 9.9 GWh | 21 mi |
| V H Braunig | Elmendorf, TX | 1.3 TWh | 33.9 mi |