Geismar
Natural gas power plant in Ascension Parish, Louisiana. 84.1 MW of nameplate capacity across 3 generators, operated by BASF Corporation.
Also known as Geismar Power Plant · EIA plant 10319
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 84.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- July 1985First generator online
- Operator
- BASF CorporationEIA operator ID 1182
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Ascension Parish, LA30.2000, −91.0000
- EIA plant ID
- 10319EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Geismar produces
Free · EIA-923Net generation, 2025
626 GWh
625,561 MWh, final
Capacity factor, 2025
84.9%
2024: 69.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
412.0–634.9
GWh a year. Low 2022, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 620,710 | Not reported | 12 of 12 |
| 2001 | 634,722 | Not reported | 12 of 12 |
| 2002 | 563,802 | Not reported | 12 of 12 |
| 2003 | 537,075 | Not reported | 10 of 12 |
| 2004 | 582,476 | Not reported | 12 of 12 |
| 2005 | 614,616 | Not reported | 12 of 12 |
| 2006 | 617,638 | Not reported | 12 of 12 |
| 2007 | 619,924 | Not reported | 12 of 12 |
| 2008 | 543,368 | Not reported | 12 of 12 |
| 2009 | 595,424 | Not reported | 12 of 12 |
| 2010 | 582,241 | 79.0% | 12 of 12 |
| 2011 | 568,135 | 77.1% | 12 of 12 |
| 2012 | 541,886 | 73.4% | 12 of 12 |
| 2013 | 56,359 | 90.1% | 1 of 12 |
| 2014 | 648,448 | 88.0% | 12 of 12 |
| 2015 | 628,985 | 85.4% | 12 of 12 |
| 2016 | 613,555 | 83.1% | 12 of 12 |
| 2017 | 634,884 | 86.2% | 12 of 12 |
| 2018 | 609,647 | 82.8% | 12 of 12 |
| 2019 | 631,699 | 85.7% | 12 of 12 |
| 2020 | 600,475 | 81.3% | 12 of 12 |
| 2021 | 562,375 | 76.3% | 12 of 12 |
| 2022 | 412,040 | 55.9% | 12 of 12 |
| 2023 | 584,403 | 79.3% | 12 of 12 |
| 2024 | 514,066 | 69.6% | 12 of 12 |
| 2025 | 625,561 | 84.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Natural Gas Fired Combustion Turbine | 35.7 | July 1985 |
| GEN2 | Natural Gas Fired Combustion Turbine | 41.2 | November 1998 |
| GEN3 | Natural Gas Steam Turbine | 7.2 | October 2005 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists BASF Corporation as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Geismar
More plants operated by BASF Corporation
Questions about Geismar
How much power does Geismar produce?
Geismar reported 625,561 MWh (626 GWh) of net generation in 2025, a 84.9% capacity factor on 84.1 MW of nameplate capacity.
Where is Geismar?
Geismar is in Ascension Parish, Louisiana, at 30.2000, −91.0000. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Geismar?
EIA-860M for August 2026 lists BASF Corporation as the operator (EIA operator ID 1182). The operator is not always the owner.
When did Geismar start operating?
Its first generator began operating in July 1985, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page