Gregory Power Plant
4633A TX HWY 361, Gregory, TX 78359Plant Summary Information
Gregory Power Plant is ranked #97 out of 312 natural gas power plants in Texas in terms of total annual net electricity generation.
Gregory Power Plant is comprised of 3 generators and generated 149.6 GWh during the 3-month period between March 2025 to June 2025.
| Plant Name | Gregory Power Plant |
|---|---|
| Utility Name | Gregory Power Partners LLC |
| Location | San Patricio County, TX |
| Initial Operation Date | July 2000 |
| Last Update | Jun 2025 |
| Annual Generation | 583.6 GWh |
| Annual Consumption | 5.8 M MMBtu |
| Ranked #1,157 out of 12,327 Power Plants Nationwide | |
| Ranked #536 out of 2,221 Natural Gas Power Plants Nationwide | |
| Ranked #214 out of 799 Texas Power Plants | |
| Ranked #97 out of 312 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
Gregory Power Partners LP (2013 to 2018) Gregory Power Partners LLC (2019 to 2024) |
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Monthly Net Generation for Gregory Power Plant
Gregory Power Plant Details
| Summary Information | |
|---|---|
| Plant Name | Gregory Power Plant (55086) |
| Plant Address | 4633A TX HWY 361, Gregory, TX 78359 |
| Utility | Gregory Power Partners LLC (7667) |
| Latitude, Longitude | 27.88929, -97.25842 |
| Generation Dates on File | Jan 2001 to Jun 2025 |
| Initial Operation Date | July 2000 |
| Annual Generation | 583.6 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 | 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 | San Patricio Municipality |
| Ash Impoundment | No |
| Transmission / Distribution Owner | AEP Texas Central Company (3278) TX |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | KINDER MORGAN TEJAS PIPELINE LLC |
| Natural Gas Storage | No |
Generator GT1A Details Operating July 2000
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC1 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | LGE_LGE_GT1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LGE_LGE_GT1 |
| Nameplate Capacity | 184.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 141 MW |
| Winter Capacity | 162 MW |
| Minimum Load | 90 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2000 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator GT1B Details Operating July 2000
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC1 |
| Ownership | Wholly Owned by Other Entity |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | LGE_LGE_GT2 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LGE_LGE_GT2 |
| Nameplate Capacity | 184.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 140 MW |
| Winter Capacity | 162 MW |
| Minimum Load | 90 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2000 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator STG Details Operating July 2000
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | CC1 |
| Ownership | Wholly Owned by Other Entity |
| Duct Burners | Yes |
| RTO ISO LMP Node Designation | LGE_LGE_STG |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | LGE_LGE_STG |
| Nameplate Capacity | 100 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 85 MW |
| Winter Capacity | 87 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2000 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| 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 |
Gregory Power Plant Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Gregory Power Holdings, LLC | 717 Texas Ave Ste 1000, Houston, TX 77002 | Generator GT1A | 100.00% |
| Gregory Power Holdings, LLC | 717 Texas Ave Ste 1000, Houston, TX 77002 | Generator GT1B | 100.00% |
| Gregory Power Holdings, LLC | 717 Texas Ave Ste 1000, Houston, TX 77002 | Generator STG | 100.00% |
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