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1069.6 MW Natural Gas operating in Mayes, OK
1,069.6 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Coordinates
36.2221, -95.2771
County
Mayes, OK
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Associated Electric Coop, Inc | — | — |
| Owner(s) | Associated Electric Coop, Inc | — | — |
| Status | Operating | — | — |
The Chouteau power plant, located in Mayes County, Oklahoma, has a total capacity of 1069.6 MW across six generators. The plant began operating in 2000 and is owned and operated by Associated Electric Cooperative, Inc. It utilizes natural gas-fired combined cycle technology as its primary fuel source. The plant operates within the Associated Electric Cooperative, Inc. balancing authority and the SERC NERC region.
Chouteau ranks as the 10th largest power plant in Oklahoma out of 26, and nationally it ranks 152nd out of 945 plants. The plant's latest annual generation was 5,563,092 MWh, resulting in a capacity factor of 59.4%. Recent news coverage of the plant includes 7 articles related to industry topics, 2 related to hazards, and 1 related to regulatory matters.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Associated Electric Cooperative, Inc. (AECI)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
588.2K MWh
Latest Month
5.6M MWh
Annual Generation
59.4%
Capacity Factor
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Request a demo →CO₂ Intensity
828 lb/MWh
NOx
0.101 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
73.9%
Annual Net Gen
6923 GWh
CO₂eq
829 lb/MWh
Subregion
SERC Midwest
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.0B
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Request a demo →This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-14
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