HO Clarke Generating

12584 Hiram Clarke Road, Houston, TX 77045

Plant Summary Information

HO Clarke Generating is ranked #113 out of 313 natural gas power plants in Texas in terms of total annual net electricity generation.

HO Clarke Generating is comprised of 8 generators and generated 71.2 GWh during the 3-month period between April 2026 to July 2026.

Plant NameHO Clarke Generating
Utility NameCity of San Antonio - (TX)
LocationHarris County, TX
Initial Operation DateMarch 2021
Last Update Jul 2026
Annual Generation 330.0 GWh
Annual Consumption 3.9 M MMBtu
Ranked #1,920 out of 13,285 Power Plants Nationwide
Ranked #634 out of 2,215 Natural Gas Power Plants Nationwide
Ranked #398 out of 856 Texas Power Plants
Ranked #113 out of 313 Texas Natural Gas Power Plants
Fuel Types Natural Gas
Previous Operator ProEnergy Services (2019 to 2024)
City of San Antonio - (TX) (2025 to 2025)

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Monthly Net Generation for HO Clarke Generating

Monthly Plant Fuel Consumption for HO Clarke Generating

HO Clarke Generating Details

Summary Information
Plant NameHO Clarke Generating (63335)
Plant Address12584 Hiram Clarke Road, Houston, TX 77045
UtilityCity of San Antonio - (TX) (16604)
Latitude, Longitude29.64536, -95.45169
Generation Dates on FileMar 2021 to Jul 2026
Initial Operation DateMarch 2021
Annual Generation 330.0 GWh
Fuel Types Natural Gas
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusYes
FERC Exempt Wholesale Generator Docket NumberEG20-201-000
Regulatory Information
Regulatory StatusRegulated
NERC RegionTRE
Balancing AuthorityElectric Reliability Council of Texas, Inc. (ERCO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerCenterPoint Energy (8901) TX
Grid Voltage 138.00 kV
Energy StorageNo
 
Natural Gas Information
Pipeline Name KINDER MORGAN TEXAS PIPELINE LLC
Natural Gas StorageNo

Generator CTG-7 Details Operating October 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-8 Details Operating October 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-1 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-2 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-3 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-4 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-5 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator CTG-6 Details Operating March 2021

TechnologyNatural Gas Fired Combustion Turbine
Prime MoverCombustion Turbine
OwnershipWholly Owned by Other Entity
RTO ISO LMP Node DesignationHOCPRO01
Nameplate Capacity60.5 MW
Nameplate Power Factor0.85
Summer Capacity44.5 MW
Winter Capacity49.8 MW
Minimum Load22.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 2021
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

HO Clarke Generating Plant Owners

Owner NameAddressGeneratorOwnership
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-1100.00%
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-2100.00%
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-3100.00%
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-4100.00%
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-5100.00%
HO Clarke Generating, LLC8303 McHard Road, Houston, TX 77053Generator CTG-6100.00%
HO Clarke II, LLC8303 McHard Road, Houston, TX 77053Generator CTG-7100.00%
HO Clarke II, LLC8303 McHard Road, Houston, TX 77053Generator CTG-8100.00%

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WAL3302Houston, TX173.0 MWh7 mi
WAL3572Pearland, TX74.0 MWh7.3 mi
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