Topaz Generating
5651 Attwater Avenue, Texas City, TX 77590Plant Summary Information
Topaz Generating is ranked #97 out of 313 natural gas power plants in Texas in terms of total annual net electricity generation.
Topaz Generating is comprised of 10 generators and generated 118.3 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Topaz Generating |
|---|---|
| Utility Name | City of San Antonio - (TX) |
| Location | Galveston County, TX |
| Initial Operation Date | July 2021 |
| Last Update | May 2026 |
| Annual Generation | 547.7 GWh |
| Annual Consumption | 6.2 M MMBtu |
| Ranked #1,259 out of 13,081 Power Plants Nationwide | |
| Ranked #542 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #252 out of 852 Texas Power Plants | |
| Ranked #97 out of 313 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
ProEnergy Services (2019 to 2024) City of San Antonio - (TX) (2025 to 2025) |
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Monthly Net Generation for Topaz Generating
Monthly Plant Fuel Consumption for Topaz Generating
Topaz Generating Details
| Summary Information | |
|---|---|
| Plant Name | Topaz Generating (63688) |
| Plant Address | 5651 Attwater Avenue, Texas City, TX 77590 |
| Utility | City of San Antonio - (TX) (16604) |
| Latitude, Longitude | 29.42639, -94.97667 |
| Generation Dates on File | Jul 2021 to May 2026 |
| Initial Operation Date | July 2021 |
| Annual Generation | 547.7 GWh |
| 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 | Yes |
| FERC Exempt Wholesale Generator Docket Number | EG20-250-000 |
| 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 | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Texas-New Mexico Power Co (40051) TX |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | FLORIDA GAS TRANSMISSION COMPANY |
| Natural Gas Storage | No |
| Liquefied Natural Gas Storage | No |
Generator CTG-9 Details Operating October 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-1 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-2 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-3 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-4 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138 ATT TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-5 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-6 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-7 Details Operating July 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG-8 Details Operating August 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2021 |
| 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 | 10M |
| Multiple Fuels | No |
Generator CTG10 Details Operating August 2021
| Technology | Natural Gas Fired Combustion Turbine |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| RTO ISO LMP Node Designation | 138_ATT_TPZ |
| Nameplate Capacity | 60.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 44.5 MW |
| Winter Capacity | 49.8 MW |
| Minimum Load | 22.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 2021 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Topaz Generating Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-1 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-2 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-3 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-4 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-5 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-6 | 100.00% |
| Topaz Generating, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-7 | 100.00% |
| Topaz II, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-8 | 100.00% |
| Topaz II, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG-9 | 100.00% |
| Topaz II, LLC | 8303 McHard Road, Houston, TX 77053 | Generator CTG10 | 100.00% |
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| #551 | Geismar Cogen | Geismar, LA | 528.4 GWh |
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Nearby Power Plants
Below are closest 20 power plants surrounding Topaz Generating.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Air Products Texas City | Texas City, TX | 47.9 GWh | 5.5 mi |
| Ascend Performance Materials Texas Inc. | Alvin, TX | 98.0 GWh | 18.4 mi |
| Bacliff | Bacliff, TX | 93.4 GWh | 4.6 mi |
| Bayou Cogen Plant | Pasadena, TX | 2.3 TWh | 14.2 mi |
| GCWA | Texas City, TX | 67.0 MWh | 3.5 mi |
| Green Power 2 | Texas City, TX | 4.1 TWh | 4.3 mi |
| HEB00028 | League City, TX | 245.0 MWh | 7.6 mi |
| HEB00769 | Webster, TX | 210.0 MWh | 13.7 mi |
| NASA Johnson Space Center CHP | Houston, TX | 47.1 GWh | 11.6 mi |
| Power Station 4 | Texas City, TX | 516.8 GWh | 4.7 mi |
| Texas City Plant Union Carbide | Texas City, TX | 103.6 GWh | 3.9 mi |
| Texas City Power Plant | Texas City, TX | 1.3 TWh | 3.8 mi |
| WAL1062 | Friendswood, TX | 363.0 MWh | 14 mi |
| WAL3298 | Kemah, TX | 132.0 MWh | 7.9 mi |
| WAL3510 | Pearland, TX | 79.0 MWh | 17.6 mi |
| WAL462 | Alvin, TX | 90.0 MWh | 15.3 mi |
| WAL504 | Galveston, TX | 510.0 MWh | 14.1 mi |
| WAL5116 | Deer Park, TX | 148.0 MWh | 18 mi |
| WAL529 | La Marque, TX | 147.0 MWh | 4 mi |
| WAL5388 | League City, TX | 178.0 MWh | 7.4 mi |