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427.7 MW Natural Gas Fired Combustion Turbine (83 MW) + Natural Gas Steam Turbine (345 MW) operating in Collin, TX — Electric Reliability Council of Texas, Inc.
427.7 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1967
Operating Since
Coordinates
33.0681, -96.4525
County
Collin, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Garland - (TX) | — | — |
| Owner(s) | City of Garland - (TX) | — | — |
| Status | Operating | — | — |
The Ray Olinger plant, located in Collin County, Texas, has a total capacity of 427.7 MW. The plant began operating in 1967 and is owned and operated by the City of Garland. It utilizes natural gas as its primary fuel source and employs both natural gas-fired combustion turbine and natural gas steam turbine technologies. The plant consists of four generators and is considered a hybrid facility.
In the most recent year for which data is available, the Ray Olinger plant generated 40,394 MWh of electricity, resulting in a capacity factor of 1.1%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. It is ranked as the 93rd largest power plant in Texas out of 144, and nationally it is ranked 529th out of 945 plants. There has been one recent news article about the plant, categorized as a hazard.
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
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
911 MWh
Latest Month
40.4K MWh
Annual Generation
1.1%
Capacity Factor
CO₂ Intensity
1406 lb/MWh
NOx
0.697 lb/MWh
SO₂
0.007 lb/MWh
CH₄
0.030 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
3.1%
Annual Net Gen
117 GWh
CO₂eq
1407 lb/MWh
Subregion
ERCOT All
2013
$965/kW
Est. Construction Cost
Total estimated cost: $412.8M
Market Position
ISO/RTO Market
ERCOT
LMP Node
OLIN_OLING_1
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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