Chouteau — Plant Summary
- EIA Plant ID
- 7757
- Capacity
- 1069.6 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Mayes, OK
- Operating Since
- 2000
- Generators
- 6
- Operator
- Associated Electric Coop, Inc
- Parent Company
- —
- Annual Generation
- 5,563,092 MWh
- Capacity Factor
- 59.4%
- Balancing Authority
- Associated Electric Cooperative, Inc.
- ISO/RTO
- —
- NERC Region
- SERC
Chouteau
OperatingNatural Gas
Ranked #10 of 38 Natural Gas plants in OK#148 of 2009 nationally
1069.6 MW Natural Gas operating in Mayes, OK — Associated Electric Cooperative, Inc.
EIAWD
1,069.6 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Location
Coordinates
36.2221, -95.2771
County
Mayes, OK
Nearby Plants
- Grand River Energy Center SolarSolar84 MW · 3.3 km
- GRECNatural Gas1788.3 MW · 3.7 km
- MarkhamHydro128.4 MW · 8.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Associated Electric Coop, Inc | — | — |
| Owner(s) | Associated Electric Coop, Inc | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Associated Electric Cooperative, Inc.
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
588.2K MWh
Latest Month
5.6M MWh
Annual Generation
59.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Hazards·wildfire
Red Flag Warning: Benton; Washington; Osage; Washington; Nowata; Craig; Ottawa; Pawnee; Tulsa; Rogers; Mayes; Delaware
Red Flag Warning issued March 21 at 12:15PM CDT until March 22 at 8:00PM CDT by NWS Tulsa OK
NWS Tulsa OK·5 days ago
Industry·corporate
Mitsubishi to Provide Advanced Gas Turbine to Oklahoma's GRDA
Mitsubishi Power Americas Inc. has signed an agreement with the Grand River Dam Authority (GRDA), Oklahoma's largest public utility, to provide a second...
Mitsubishi Power Americas Inc. (seller)Grand River Dam Authority (buyer)
Rigzone·2 years ago
Industry·corporate
Mitsubishi Continues Coal-to-Gas Transition in Oklahoma, Also Adds Gas Turbine at Thailand Plant
Mitsubishi Power Americas will install a second 500-MW simple-cycle gas turbine at the Grand River Energy Center in Oklahoma,...
Mitsubishi Power Americas (seller)Grand River Energy Center (buyer)
POWER Magazine·2 years ago
Industry·corporate
Mitsubishi Power Selected to Supply Second Advanced Class Gas Turbine to Oklahoma’s Grand River Energy Center
LAKE MARY, Fla., (October 3, 2023) – Mitsubishi Power and the Grand River Dam Authority (GRDA), Oklahoma's largest public utility,...
Mitsubishi Power (seller)Grand River Energy Center (buyer)
Mitsubishi Power·2 years ago
Last updated 2026-03-21
View all 10 articles