Guadalupe Generating Station

5740 Weil Road, Marion, TX 78124

Plant Summary Information

Guadalupe Generating Station is ranked #19 out of 816 power plants in Texas in terms of total annual net electricity generation.

Guadalupe Generating Station is comprised of 6 generators and generated 968.5 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Guadalupe Generating Station
Utility Name	Guadalupe Power Partners LP
Location	Guadalupe County, TX
Initial Operation Date	October 2000
Last Update	Dec 2025
Annual Generation	5.7 TWh
Annual Consumption	42.5 M MMBtu
Ranked #190 out of 12,613 Power Plants Nationwide
Ranked #75 out of 2,246 Natural Gas Power Plants Nationwide
Ranked #19 out of 816 Texas Power Plants
Ranked #11 out of 314 Texas Natural Gas Power Plants
Fuel Types	Natural Gas

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Monthly Net Generation for Guadalupe Generating Station

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Monthly Plant Fuel Consumption for Guadalupe Generating Station

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Guadalupe Generating Station Details

Summary Information
Plant Name	Guadalupe Generating Station (55153)
Plant Address	5740 Weil Road, Marion, TX 78124
Utility	Guadalupe Power Partners LP (57045)
Latitude, Longitude	29.6244, -98.1419
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	October 2000
Annual Generation	5.7 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	Yes
FERC Exempt Wholesale Generator Docket Number	98-100-000

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	Lake Dunlap
Ash Impoundment	No
Transmission / Distribution Owner	Lower Colorado River Authority (11269)
Grid Voltage	345.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	DCP MIDSTREAM LP ENERGY TRANSFER FUEL LP ENTERPRISE TEXAS PIPELINE
Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Generator CTG1 Details Operating October 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	STG1
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	GUADGCC1
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC1
Nameplate Capacity	171.1 MW
Nameplate Power Factor	0.85
Summer Capacity	153 MW
Winter Capacity	161 MW
Minimum Load	100 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	October 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

Generator CTG2 Details Operating October 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	STG1
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	GUADGCC1
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC1
Nameplate Capacity	171.1 MW
Nameplate Power Factor	0.85
Summer Capacity	153 MW
Winter Capacity	161 MW
Minimum Load	100 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	October 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

Generator STG1 Details Operating October 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	STG1
Ownership	Single Owner
Duct Burners	Yes
RTO ISO LMP Node Designation	GUADGCC1
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC1
Nameplate Capacity	201.9 MW
Nameplate Power Factor	0.85
Summer Capacity	196 MW
Winter Capacity	200 MW
Minimum Load	138.5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	October 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

Generator STG2 Details Operating October 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	STG2
Ownership	Single Owner
Duct Burners	Yes
RTO ISO LMP Node Designation	GUADGCC2
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC2
Nameplate Capacity	201.9 MW
Nameplate Power Factor	0.85
Summer Capacity	197 MW
Winter Capacity	200 MW
Minimum Load	138.8 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	October 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

Generator CTG3 Details Operating December 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	STG2
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	GUADGCC2
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC2
Nameplate Capacity	171.1 MW
Nameplate Power Factor	0.85
Summer Capacity	153 MW
Winter Capacity	160 MW
Minimum Load	100 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	December 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

Generator CTG4 Details Operating December 2000

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	STG2
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	GUADGCC2
RTO ISO Location Designation For Reporting Wholesale Sales Data	GUADGCC2
Nameplate Capacity	171.1 MW
Nameplate Power Factor	0.85
Summer Capacity	153 MW
Winter Capacity	160 MW
Minimum Load	100 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	December 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

Guadalupe Generating Station Plant Owners

Owner Name	Address	Generator	Ownership
Guadalupe Peaking Energy Center, LLC	5740 Weil Rd, Marion, TX 78124	Generator CTGP1	100.00%
Guadalupe Peaking Energy Center, LLC	5740 Weil Rd, Marion, TX 78124	Generator CTGP2	100.00%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

Rank	Plant Name	Plant Location	Annual Generation
#65	W S Lee	Williamston, SC	6.0 TWh
#66	P L Bartow	St. Petersburg, FL	6.0 TWh
#67	Montgomery County	Willis, TX	5.9 TWh
#68	Allen	Memphis, TN	5.8 TWh
#69	Acadia Energy Center	Eunice, LA	5.8 TWh
#70	Lake Road Generating Plant	Dayville, CT	5.8 TWh
#71	Bethlehem Power Plant	Bethlehem, PA	5.8 TWh
#72	H L Culbreath Bayside Power Station	Tampa, FL	5.8 TWh
#73	Taft Cogeneration Facility	Hahnville, LA	5.8 TWh
#74	Lee Combined Cycle Plant	Goldsboro, NC	5.7 TWh
#76	Linden Cogen Plant	Linden, NJ	5.7 TWh
#77	Marcus Hook Energy LP	Marcus Hook, PA	5.6 TWh
#78	Plaquemine Cogeneration Plant	Plaquemine, LA	5.8 TWh
#79	Oregon Clean Energy Center	Oregon, OH	5.6 TWh
#80	Chouteau	Pryor, OK	5.6 TWh
#81	Eagle Valley (IN)	Martinsville, IN	5.6 TWh
#82	St. Charles Power Station (LA)	La Place, LA	5.5 TWh
#83	Kendall County Generation Facility	Minooka, IL	5.5 TWh
#84	Channelview Cogeneration Plant	Channelview, TX	5.5 TWh
#85	Doswell Energy Center	Ashland, VA	5.5 TWh

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SunE CPS1 LLC	San Antonio, TX	4.5 GWh	31 mi
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V H Braunig	Elmendorf, TX	650.7 GWh	29.2 mi