Hays Energy Project
1601 Francis Harris Ln, San Marcos, TX 78666Plant Summary Information
Hays Energy Project is ranked #23 out of 769 power plants in Texas in terms of total annual net electricity generation.
Hays Energy Project is comprised of 4 generators and generated 927.8 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Hays Energy Project |
|---|---|
| Utility Name | Hays Energy, LLC |
| Location | Hays County, TX |
| Initial Operation Date | April 2002 |
| Last Update | Mar 2025 |
| Annual Generation | 5.3 TWh |
| Annual Consumption | 44.0 M MMBtu |
| Ranked #201 out of 11,623 Power Plants Nationwide | |
| Ranked #92 out of 2,187 Natural Gas Power Plants Nationwide | |
| Ranked #23 out of 769 Texas Power Plants | |
| Ranked #15 out of 298 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
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Monthly Net Generation for Hays Energy Project
Hays Energy Project Details
| Summary Information | |
|---|---|
| Plant Name | Hays Energy Project (55144) |
| Plant Address | 1601 Francis Harris Ln, San Marcos, TX 78666 |
| Utility | Hays Energy, LLC (1074) |
| Latitude, Longitude | 29.7806, -97.9894 |
| Generation Dates on File | Jun 2001 to Mar 2025 |
| Initial Operation Date | April 2002 |
| Annual Generation | 5.3 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 | 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 | GBRA/City of San Marcos |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Lower Colorado River Authority (11269) |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
OASIS PIPE LINE COMPANY TEXAS LP ENTERPRISE INTRASTATE LLC |
| Natural Gas Storage | No |
Generator U2 Details Operating April 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Ownership | Single Owner |
| Duct Burners | No |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | HAYSEN_HAYSENG2 |
| Nameplate Capacity | 241.7 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 229 MW |
| Winter Capacity | 258 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U1 Details Operating May 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Ownership | Single Owner |
| Duct Burners | No |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | HAYSEN_HAYSENG1 |
| Nameplate Capacity | 241.7 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 228 MW |
| Winter Capacity | 257 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | Yes |
|---|---|
| Uprate Or Derate Completed | April 2023 |
| Status | Operating |
| First Operation Date | May 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U3 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Ownership | Single Owner |
| Duct Burners | No |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | HAYSEN_HAYSENG3 |
| Nameplate Capacity | 252.8 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 228 MW |
| Winter Capacity | 260 MW |
| Minimum Load | 120 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator U4 Details Operating August 2002
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Ownership | Single Owner |
| Duct Burners | No |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | HAYSEN_HAYSENG4 |
| Nameplate Capacity | 252.8 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 231 MW |
| Winter Capacity | 261 MW |
| Minimum Load | 120 MW |
| Uprate/Derate Completed | Yes |
|---|---|
| Uprate Or Derate Completed | May 2023 |
| Status | Operating |
| First Operation Date | August 2002 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
Hays Energy Project Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
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Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #82 | W S Lee | Williamston, SC | 5.8 TWh |
| #83 | St Joseph Energy Center | New Carlisle, IN | 5.7 TWh |
| #84 | Santan | Gilbert, AZ | 5.7 TWh |
| #85 | Caledonia | Steens, MS | 5.6 TWh |
| #86 | CPV Towantic Energy Center | Oxford, CT | 5.6 TWh |
| #87 | Choctaw County | French Camp, MS | 5.5 TWh |
| #88 | Oneta Energy Center | Broken Arrow, OK | 5.5 TWh |
| #89 | Doswell Energy Center | Ashland, VA | 5.5 TWh |
| #90 | Linden Cogen Plant | Linden, NJ | 5.5 TWh |
| #91 | Carroll County Energy | Carrollton, OH | 5.4 TWh |
| #93 | Kiamichi Energy Facility | Kiowa, OK | 5.3 TWh |
| #94 | Eagle Valley (IN) | Martinsville, IN | 5.3 TWh |
| #95 | Zeeland Generating Station | Zeeland, MI | 5.3 TWh |
| #96 | Kendall County Generation Facility | Minooka, IL | 5.3 TWh |
| #97 | Washington Energy Facility | Beverly, OH | 5.2 TWh |
| #98 | Rio Nogales Power Project | Seguin, TX | 5.2 TWh |
| #99 | E B Harris Electric Generating Plant | Autaugaville, AL | 5.2 TWh |
| #100 | H L Culbreath Bayside Power Station | Tampa, FL | 5.2 TWh |
| #101 | Morgan Energy Center | Decatur, AL | 5.0 TWh |
| #102 | Plaquemine Cogeneration Plant | Plaquemine, LA | 5.1 TWh |
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