Dow St Charles Operations
Natural gas power plant in St Charles Parish, Louisiana. 323.6 MW of nameplate capacity across 4 generators, operated by Dow Chemical Co - St Charles.
Also known as Dow St Charles Power Plant · EIA plant 50152
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 323.6 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- December 1996First generator online
- Operator
- Dow Chemical Co - St CharlesEIA operator ID 5352
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- St Charles Parish, LA29.9861, −90.4414
- EIA plant ID
- 50152EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Dow St Charles Operations produces
Free · EIA-923Net generation, 2025
1.94 TWh
1,938,452 MWh, final
Capacity factor, 2025
68.4%
2024: 66.5%
January to July 2026
1.01 TWh
Provisional
Range, 2015 to 2025
1.7–2.1
TWh a year. Low 2021, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,861,969 | Not reported | 12 of 12 |
| 2001 | 1,757,398 | Not reported | 12 of 12 |
| 2002 | 1,828,526 | Not reported | 12 of 12 |
| 2003 | 1,932,212 | Not reported | 12 of 12 |
| 2004 | 1,822,210 | Not reported | 12 of 12 |
| 2005 | 1,522,719 | Not reported | 12 of 12 |
| 2006 | 1,811,606 | Not reported | 12 of 12 |
| 2007 | 1,730,949 | Not reported | 12 of 12 |
| 2008 | 927,954 | Not reported | 8 of 12 |
| 2009 | 1,359,915 | Not reported | 12 of 12 |
| 2010 | 1,758,778 | 58.5% | 12 of 12 |
| 2011 | 1,773,815 | 59.0% | 12 of 12 |
| 2012 | 1,969,174 | 65.3% | 12 of 12 |
| 2013 | 1,945,841 | Not reported | 12 of 12 |
| 2014 | 1,381,356 | 72.6% | 8 of 12 |
| 2015 | 1,964,772 | 69.3% | 12 of 12 |
| 2016 | 2,045,295 | 72.0% | 12 of 12 |
| 2017 | 1,977,325 | 69.8% | 12 of 12 |
| 2018 | 1,980,789 | 69.9% | 12 of 12 |
| 2019 | 2,086,370 | 73.6% | 12 of 12 |
| 2020 | 2,020,358 | 71.1% | 12 of 12 |
| 2021 | 1,682,666 | 59.4% | 12 of 12 |
| 2022 | 2,005,814 | 70.8% | 12 of 12 |
| 2023 | 1,856,617 | 65.5% | 12 of 12 |
| 2024 | 1,889,314 | 66.5% | 12 of 12 |
| 2025 | 1,938,452 | 68.4% | 12 of 12 |
| 2026 (provisional, partial year) | 1,005,937 | 61.1% | 7 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 account · MISOEmissions
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 |
|---|---|---|---|
| CGN1 | Natural Gas Fired Combined Cycle | 125.8 | December 1996 |
| CGN2 | Natural Gas Fired Combined Cycle | 125.8 | January 1997 |
| CSTG | Natural Gas Fired Combined Cycle | 50.0 | December 2002 |
| STG | Natural Gas Fired Combined Cycle | 22.0 | February 1997 |
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 Dow Chemical Co - St Charles 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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Questions about Dow St Charles Operations
How much power does Dow St Charles Operations produce?
Dow St Charles Operations reported 1,938,452 MWh (1.94 TWh) of net generation in 2025, a 68.4% capacity factor on 323.6 MW of nameplate capacity. From January to July 2026 it reported 1.01 TWh, which is provisional.
Where is Dow St Charles Operations?
Dow St Charles Operations is in St Charles Parish, Louisiana, at 29.9861, −90.4414. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Dow St Charles Operations?
EIA-860M for August 2026 lists Dow Chemical Co - St Charles as the operator (EIA operator ID 5352). The operator is not always the owner.
When did Dow St Charles Operations start operating?
Its first generator began operating in December 1996, according to EIA-860M.
Does InfraMap have power prices for Dow St Charles Operations?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Dow St Charles Operations, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page