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357.7 MW Natural Gas Fired Combustion Turbine (301 MW) + Natural Gas Steam Turbine (57 MW) operating in Calcasieu, LA
357.7 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1977
Operating Since
Coordinates
30.2255, -93.2947
County
Calcasieu, LA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Westlake 2 US LLC | — | — |
| Owner(s) | Westlake 2 US LLC | — | — |
| Status | Operating | — | — |
PPG Powerhouse C is a 357.7 MW hybrid power plant located in Calcasieu County, Louisiana. The plant, which began operating in 1977, is owned and operated by Westlake 2 US LLC. It utilizes both natural gas-fired combustion turbine and natural gas steam turbine technologies. The plant consists of 5 generators and its primary fuel source is natural gas.
In the most recent year of data, PPG Powerhouse C generated 1,553,357 MWh of electricity, operating at a capacity factor of 49.7%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC Reliability Corporation NERC region. PPG Powerhouse C is ranked as the 21st largest power plant out of 32 in Louisiana, and 587th out of 945 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
103.1K MWh
Latest Month
1.6M MWh
Annual Generation
49.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
228 lb/MWh
NOx
1 lb/MWh
SO₂
0.003 lb/MWh
CH₄
0.012 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
55.4%
Annual Net Gen
1735 GWh
CO₂eq
229 lb/MWh
Subregion
SERC Mississippi Valley
2013
$965/kW
Est. Construction Cost
Total estimated cost: $345.2M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
EES.AXIALL
Pricing Hub
LOUISIANA.HUB
Alt. Hub / Zone
TEXAS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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