Sam Rayburn
2849 FM 447, Nursery, TX 77976Plant Summary Information
Sam Rayburn is ranked #130 out of 313 natural gas power plants in Texas in terms of total annual net electricity generation.
Sam Rayburn is comprised of 6 generators and generated 47.9 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Sam Rayburn |
|---|---|
| Utility Name | South Texas Electric Coop, Inc |
| Location | Victoria County, TX |
| Initial Operation Date | March 1963 |
| Last Update | Dec 2025 |
| Annual Generation | 162.4 GWh |
| Annual Consumption | 1.6 M MMBtu |
| Ranked #2,863 out of 13,094 Power Plants Nationwide | |
| Ranked #791 out of 2,208 Natural Gas Power Plants Nationwide | |
| Ranked #490 out of 858 Texas Power Plants | |
| Ranked #130 out of 313 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.8% |
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Monthly Net Generation for Sam Rayburn
Monthly Plant Fuel Consumption for Sam Rayburn
Sam Rayburn Details
| Summary Information | |
|---|---|
| Plant Name | Sam Rayburn (3631) |
| Plant Address | 2849 FM 447, Nursery, TX 77976 |
| Utility | South Texas Electric Coop, Inc (17583) |
| Latitude, Longitude | 28.8947, -97.135 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | March 1963 |
| Annual Generation | 162.4 GWh |
| Fuel Types | Natural Gas : 99.8% |
| 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 | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | South Texas Electric Coop, Inc (17583) TX |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | Other - Please explain in pipeline notes below. |
| Pipeline Notes | Connected to the Mission Valley Pipeline owned and operated by Kinder Morgan Tejas Pipeline LLC |
| Natural Gas Storage | No |
Generator 5 Details Operating October 1991
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 0.9 MW |
| Winter Capacity | 0.9 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1991 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 4 Details Operating July 1991
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.6 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 0.9 MW |
| Winter Capacity | 0.9 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1991 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 10 Details Operating October 2003
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | CC1 |
| Ownership | Single Owner |
| Duct Burners | No |
| RTO ISO LMP Node Designation | RAYBURN_CC1 |
| Nameplate Capacity | 42 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 37 MW |
| Winter Capacity | 37 MW |
| Minimum Load | 7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2003 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas |
| Startup 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 7 Details Operating October 2003
| 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 | RAYBURN_CC1 |
| Nameplate Capacity | 49.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 49 MW |
| Winter Capacity | 49 MW |
| Minimum Load | 8 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2003 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | No |
|---|---|
| Net Summer Capacity With Natural Gas | 49 MW |
| Net Winter Capacity With Natural Gas | 49 MW |
| Net Summer Capacity With Oil | 48 MW |
| Net Winter Capacity With Oil | 48 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator 8 Details Operating October 2003
| 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 | RAYBURN_CC1 |
| Nameplate Capacity | 49.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 49 MW |
| Winter Capacity | 49 MW |
| Minimum Load | 8 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2003 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | No |
|---|---|
| Net Summer Capacity With Natural Gas | 49 MW |
| Net Winter Capacity With Natural Gas | 49 MW |
| Net Summer Capacity With Oil | 48 MW |
| Net Winter Capacity With Oil | 48 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator 9 Details Operating October 2003
| 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 | RAYBURN_CC1 |
| Nameplate Capacity | 49.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 48 MW |
| Winter Capacity | 48 MW |
| Minimum Load | 8 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 2003 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | No |
|---|---|
| Net Summer Capacity With Natural Gas | 48 MW |
| Net Winter Capacity With Natural Gas | 48 MW |
| Net Summer Capacity With Oil | 48 MW |
| Net Winter Capacity With Oil | 48 MW |
| Time To Switch From Gas To Oil | 1H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Sam Rayburn Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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