Topaz Generating
5651 Attwater Avenue, Texas City, TX 77590Plant Summary Information
Topaz Generating is ranked #102 out of 314 natural gas power plants in Texas in terms of total annual net electricity generation.
Topaz Generating is comprised of 10 generators and generated 152.4 GWh during the 3-month period between May 2026 to August 2026.
| Plant Name | Topaz Generating |
|---|---|
| Utility Name | City of San Antonio - (TX) |
| Location | Galveston County, TX |
| Initial Operation Date | July 2021 |
| Last Update | Aug 2026 |
| Annual Generation | 501.6 GWh |
| Annual Consumption | 6.2 M MMBtu |
| Ranked #1,389 out of 13,301 Power Plants Nationwide | |
| Ranked #563 out of 2,218 Natural Gas Power Plants Nationwide | |
| Ranked #297 out of 861 Texas Power Plants | |
| Ranked #102 out of 314 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 Aug 2026 |
| Initial Operation Date | July 2021 |
| Annual Generation | 501.6 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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|---|---|---|---|
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| #556 | General Electric Plastic | Burkeville, AL | 521.7 GWh |
| #557 | Mustang | Oklahoma City, OK | 523.8 GWh |
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| #560 | Nebo Power Station | Payson, UT | 510.2 GWh |
| #561 | Woodsdale | Trenton, OH | 515.7 GWh |
| #562 | Washington County Power LLC | Sandersville, GA | 504.3 GWh |
| #564 | Blythe Energy Inc | Blythe, CA | 497.7 GWh |
| #565 | Cheyenne Prairie Generating Station | Cheyenne, WY | 492.9 GWh |
| #566 | Astoria Station | Astoria, SD | 491.0 GWh |
| #567 | R W Miller | Palo Pinto, TX | 515.8 GWh |
| #568 | Yellowstone County Generating Station | Laurel, MT | 484.4 GWh |
| #569 | Alliant Energy Neenah | Neenah, WI | 482.7 GWh |
| #570 | Wabash Valley Power IGCC | Terre Haute, IN | 480.5 GWh |
| #571 | South Belridge Cogeneration Facility | McKittrick, CA | 477.5 GWh |
| #572 | Lansing BWL REO Town Plant | Lansing, MI | 477.2 GWh |
| #573 | Roseton Generating Facility | Newsburgh, NY | 673.0 GWh |
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 | 95.1 GWh | 4.6 mi |
| Bayou Cogen Plant | Pasadena, TX | 2.2 TWh | 14.2 mi |
| GCWA | Texas City, TX | 67.0 MWh | 3.5 mi |
| Green Power 2 | Texas City, TX | 4.2 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 | 123.5 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 |