Rio Nogales Power Project

711 Rio Nogales Drive, Seguin, TX 78155

Plant Summary Information

Rio Nogales Power Project is ranked #24 out of 769 power plants in Texas in terms of total annual net electricity generation.

Rio Nogales Power Project is comprised of 4 generators and generated 921.8 GWh during the 3-month period between December 2024 to March 2025.

Plant Name	Rio Nogales Power Project
Utility Name	City of San Antonio - (TX)
Location	Guadalupe County, TX
Initial Operation Date	May 2002
Last Update	Mar 2025
Annual Generation	5.2 TWh
Annual Consumption	36.9 M MMBtu
Ranked #210 out of 11,623 Power Plants Nationwide
Ranked #98 out of 2,187 Natural Gas Power Plants Nationwide
Ranked #24 out of 769 Texas Power Plants
Ranked #16 out of 298 Texas Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Rio Nogales Power Project (55137)
Plant Address	711 Rio Nogales Drive, Seguin, TX 78155
Utility	City of San Antonio - (TX) (16604)
Latitude, Longitude	29.59306, -97.97322
Generation Dates on File	Feb 2002 to Mar 2025
Initial Operation Date	May 2002
Annual Generation	5.2 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	Regulated
NERC Region	TRE
Balancing Authority	Electric Reliability Council of Texas, Inc. (ERCO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	Lower Colorado River Authority (11269)
Grid Voltage	345.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	ENTERPRISE TEXAS PIPELINE
Natural Gas Storage	No

* Data obtained from the 2023 EIA 860 Report

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	RIONOG_CT1
RTO ISO Location Designation For Reporting Wholesale Sales Data	RIONOG_CT1
Nameplate Capacity	189 MW
Nameplate Power Factor	0.85
Summer Capacity	165.5 MW
Winter Capacity	203 MW
Minimum Load	100 MW
Uprate/Derate Completed	Yes

Uprate Or Derate Completed	July 2023
Status	Operating
First Operation Date	May 2002
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	12H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

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	RIONOG_CT2
RTO ISO Location Designation For Reporting Wholesale Sales Data	RIONOG _CT2
Nameplate Capacity	189 MW
Nameplate Power Factor	0.85
Summer Capacity	158 MW
Winter Capacity	193 MW
Minimum Load	100 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	May 2002
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	12H
Planned Net Summer Capacity Uprate	3 MW
Planned Net Winter Capacity Uprate	3 MW
Planned Uprate	April 2025
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

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	RIONOG_CT3
RTO ISO Location Designation For Reporting Wholesale Sales Data	RIONOG_CT3
Nameplate Capacity	189 MW
Nameplate Power Factor	0.85
Summer Capacity	158 MW
Winter Capacity	193 MW
Minimum Load	100 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	May 2002
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	12H
Planned Net Summer Capacity Uprate	3 MW
Planned Net Winter Capacity Uprate	3 MW
Planned Uprate	April 2024
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	CC1
Ownership	Single Owner
Duct Burners	Yes
RTO ISO LMP Node Designation	RIONOG_ST1
RTO ISO Location Designation For Reporting Wholesale Sales Data	RIONOG_ST1
Nameplate Capacity	373.2 MW
Nameplate Power Factor	0.85
Summer Capacity	303 MW
Winter Capacity	319 MW
Minimum Load	50 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	May 2002
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	12H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

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

Rank	Plant Name	Plant Location	Annual Generation
#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
#92	Hays Energy Project	San Marcos, TX	5.3 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
#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
#103	CPV Valley Energy Center	Wawayanda, NY	5.0 TWh
#104	Baytown Energy Center	Baytown, TX	5.0 TWh
#105	Redbud Power Plant	Luther, OK	5.0 TWh
#106	Acadia Energy Center	Eunice, LA	5.0 TWh
#107	Brandy Branch	Baldwin, FL	5.0 TWh
#108	Tenaska Virginia Generating Station	Scottsville, VA	5.0 TWh

Below are closest 20 power plants surrounding Rio Nogales Power Project.

Plant Name	Plant Location	Annual Generation	Distance
Blue Wing Solar Energy Generation	San Antonio, TX	17.8 GWh	32.5 mi
CPS 1 Community Solar	Adkins, TX	1.8 GWh	23.2 mi
Dunlap TP 1	New Brannfels, TX	698.0 MWh	5.4 mi
FELPS 1 - Calaveras	Floresville, TX	2.1 GWh	30.7 mi
FELPS 2 - Calaveras	Floresville, TX	2.1 GWh	30.7 mi
FELPS 3 - Floresville South	Floresville, TX	2.2 GWh	33 mi
FELPS 4 - Floresville South	Floresville, TX	2.2 GWh	33.1 mi
FELPS 5- Floresville South	Floresville, TX	2.2 GWh	33.1 mi
Guadalupe Generating Station	Marion, TX	6.3 TWh	10.4 mi
Hays Energy Project	San Marcos, TX	5.3 TWh	13 mi
HEB_CPSSADC	San Antonio, TX	1.2 GWh	26.3 mi
IKEA Live Oak Rooftop PV System	Live Oak, TX	2.1 GWh	18.4 mi
J K Spruce	San Antonio, TX	6.0 TWh	28.6 mi
Mesquite Creek LFGTE Project	New Braunfels, TX	21.4 GWh	10.4 mi
Niagara Bottling - Seguin	Seguin, TX	8.1 GWh	0.4 mi
O W Sommers	San Antonio, TX	1.9 TWh	28.9 mi
OCI Alamo 2, LLC	Converse, TX	9.5 GWh	23.2 mi
OCI Alamo 3 LLC	San Antonio, TX	10.3 GWh	21 mi
OCI Alamo 4, LLC	Brackettville, TX	78.9 GWh	21.1 mi
V H Braunig	Elmendorf, TX	2.3 TWh	33.9 mi