Chouteau
Natural gas power plant in Mayes County, Oklahoma. 1,069.6 MW of nameplate capacity across 6 generators, operated by Associated Electric Coop, Inc.
Also known as Siemens Energy AECI Chouteau - KAMO Power Plant · EIA plant 7757
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Key facts
- Capacity
- 1,069.6 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- January 2000First generator online
- Operator
- Associated Electric Coop, IncEIA operator ID 924
- Grid
- AECIBalancing authority AECI
- Price nodes
- None linkedNo verified ISO node
- Location
- Mayes County, OK36.2221, −95.2771
- EIA plant ID
- 7757EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Chouteau produces
Free · EIA-923Net generation, 2025
5.56 TWh
5,563,092 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
3.88 TWh
Provisional
Range, 2015 to 2025
2.7–6.9
TWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 520,865 | Not reported | 12 of 12 |
| 2001 | 1,117,939 | Not reported | 12 of 12 |
| 2002 | 862,622 | Not reported | 12 of 12 |
| 2003 | 800,712 | Not reported | 12 of 12 |
| 2004 | 1,032,959 | Not reported | 12 of 12 |
| 2005 | 1,472,271 | Not reported | 12 of 12 |
| 2006 | 1,825,635 | Not reported | 12 of 12 |
| 2007 | 1,819,514 | Not reported | 12 of 12 |
| 2008 | 1,898,539 | Not reported | 12 of 12 |
| 2009 | 1,522,201 | Not reported | 12 of 12 |
| 2010 | 1,618,984 | 34.7% | 12 of 12 |
| 2011 | 1,940,747 | Not reported | 12 of 12 |
| 2012 | 3,229,287 | Not reported | 12 of 12 |
| 2013 | 2,614,778 | Not reported | 12 of 12 |
| 2014 | 2,341,002 | 25.0% | 12 of 12 |
| 2015 | 3,712,479 | 39.6% | 12 of 12 |
| 2016 | 4,325,328 | 46.0% | 12 of 12 |
| 2017 | 2,737,937 | Not reported | 12 of 12 |
| 2018 | 5,684,867 | 60.7% | 12 of 12 |
| 2019 | 6,763,842 | 72.2% | 12 of 12 |
| 2020 | 6,197,231 | Not reported | 12 of 12 |
| 2021 | 4,522,255 | Not reported | 12 of 12 |
| 2022 | 5,299,355 | 56.6% | 12 of 12 |
| 2023 | 6,922,803 | 73.9% | 12 of 12 |
| 2024 | 6,759,803 | Not reported | 12 of 12 |
| 2025 | 5,563,092 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 3,879,153 | 71.3% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
2.34M
US short tons. 2024: 2.82M
SO₂, 2025
12
US short tons
NOx, 2025
302
US short tons
CO₂ per MWh, calculated
0.42 t
About 840 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (1, 2, 3, 4), matched to EIA plant 7757 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
1,646
million gallons
Consumption, 2024
1,455
million gallons
Source
Neosho River
Surface, Fresh. Induced-draft tower
Watershed stress
Low · 0.243
USGS SUI, HUC12 Outlet Pryor Creek
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combined Cycle | 176.0 | January 2000 |
| 2 | Natural Gas Fired Combined Cycle | 176.0 | January 2000 |
| 3 | Natural Gas Fired Combined Cycle | 182.8 | January 2000 |
| 4 | Natural Gas Fired Combined Cycle | 176.0 | June 2011 |
| 5 | Natural Gas Fired Combined Cycle | 176.0 | June 2011 |
| 6 | Natural Gas Fired Combined Cycle | 182.8 | June 2011 |
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 Associated Electric Coop, Inc 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 Chouteau
More plants operated by Associated Electric Coop, Inc
Questions about Chouteau
How much power does Chouteau produce?
Chouteau reported 5,563,092 MWh (5.56 TWh) of net generation in 2025. From January to July 2026 it reported 3.88 TWh, which is provisional.
Where is Chouteau?
Chouteau is in Mayes County, Oklahoma, at 36.2221, −95.2771. It is in the Associated Electric Cooperative, Inc. balancing area (AECI).
Who operates Chouteau?
EIA-860M for August 2026 lists Associated Electric Coop, Inc as the operator (EIA operator ID 924). The operator is not always the owner.
When did Chouteau start operating?
Its first generator began operating in January 2000, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page