Geismar Cogen — Plant Summary
- EIA Plant ID
- 56787
- Capacity
- 83.9 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Ascension, LA
- Operating Since
- 2000
- Generators
- 1
- Operator
- Air Liquide Large Industries U S LP
- Parent Company
- —
- Annual Generation
- 585,714.64 MWh
- Capacity Factor
- 79.4%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- SERC
Geismar Cogen
OperatingNatural Gas
Ranked #36 of 52 Natural Gas plants in LA#998 of 2009 nationally
83.9 MW Natural Gas operating in Ascension, LA — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
83.9 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
2000
Operating Since
Location
Coordinates
30.2082, -90.9925
County
Ascension, LA
Nearby Plants
- GeismarNatural Gas154.1 MW · 1.2 km
- Shell ChemicalNatural Gas80 MW · 2.4 km
- PCS Nitrogen Fertilizer LPDistillate Oil14 MW · 6.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Air Liquide Large Industries U S LP | — | — |
| Owner(s) | Air Liquide Large Industries U S LP | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Geismar Cogen is an 83.9 MW natural gas-fired cogeneration plant located in Ascension County, Louisiana. The plant began operating in 2000 and has one natural gas-fired combustion turbine generator. Air Liquide Large Industries U S LP is the plant's operator, according to EIA data. Geismar Cogen ranks 35th out of 51 power plants in Louisiana by capacity, and 991st out of 1963 plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, which is part of the SERC Reliability Corporation NERC region. In the most recent year of reported data, Geismar Cogen generated 585,715 MWh of electricity, achieving a capacity factor of 79.4%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
45.2K MWh
Latest Month
585.7K MWh
Annual Generation
79.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
EES.GEISMAR
Pricing Hub
LOUISIANA.HUB
Location Type
Generation Node
Node Source
Curated node match
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