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484 MW Natural Gas operating in Harris, TX — Electric Reliability Council of Texas, Inc.
484 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2021
Operating Since
Coordinates
29.6449, -95.4519
County
Harris, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of San Antonio - (TX) | HO Clarke Generating | — |
| Owner(s) | HO Clarke Generating, LLC, HO Clarke II, LLC | ACON Investments | — |
| Status | Operating | — | — |
The HO Clarke Generating plant is a 484 MW natural gas-fired power plant located in Harris County, Texas. The plant began operating in 2021 and consists of eight natural gas-fired combustion turbine generators. It is owned by ACON Investments and operated by ProEnergy Services. The plant's output is delivered into the Electric Reliability Council of Texas (ERCOT) market.
In its most recent year of operation, the plant generated 335,520 MWh of electricity, achieving a capacity factor of 7.9%. HO Clarke Generating ranks as the 78th largest power plant in Texas out of 144 total plants, and 496th nationally out of 945 plants. The plant is within the Texas Reliability Entity (TRE) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
IPP Non-CHP
27.2K MWh
Latest Month
335.5K MWh
Annual Generation
7.9%
Capacity Factor
CO₂ Intensity
1228 lb/MWh
NOx
0.134 lb/MWh
SO₂
0.006 lb/MWh
CH₄
0.022 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
9.8%
Annual Net Gen
415 GWh
CO₂eq
1229 lb/MWh
Subregion
ERCOT All
2021
$920/kW
Est. Construction Cost
Total estimated cost: $445.3M
Market Position
ISO/RTO Market
ERCOT
LMP Node
HOCPRO01
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
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