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350 MW Sub. Coal operating in Le Flore, OK — Southwest Power Pool
350 MW
Nameplate Capacity
2
Generators
units
Conventional Steam Coal
Technology
1990
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Oklahoma Gas & Electric Co | — | — |
| Owner(s) | Oklahoma Gas & Electric Co | — | — |
| Status | Operating | — | — |
The River Valley power plant is a 350 MW coal-fired generating station located in Le Flore County, Oklahoma. The plant began operating in 1990 and is owned and operated by Oklahoma Gas & Electric Co. It utilizes conventional steam coal technology with subbituminous (SUB) coal as its primary fuel source. The facility consists of two generating units. River Valley operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region.
In its latest year of operation, River Valley generated 474,021 MWh of electricity, resulting in a capacity factor of 15.3%. The plant's installed cost was $1358.44 per kW, according to FERC data. River Valley is the third-largest coal plant in Oklahoma (out of three) and ranks 62 out of 75 coal plants nationally. Recent news coverage of the plant includes grid-related topics, regulatory matters, environmental hazards, and industry news.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
65.0K MWh
Latest Month
474.0K MWh
Annual Generation
15.3%
Capacity Factor
CO₂ Intensity
2734 lb/MWh
NOx
3 lb/MWh
SO₂
Steam turbine · Oklahoma Gas and Electric Company · Data from 2019–2024
$1,497/kW
Installed Cost
$29/kW
Annual CapEx
$67.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
SPP
LMP Node
OKGE.RIVERVALLEY
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about River ValleySouthwest Power Pool (SWPP)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
2 lb/MWh
CH₄
0.304 lb/MWh
N₂O
0.043 lb/MWh
Capacity Factor
18.1%
Annual Net Gen
554 GWh
CO₂eq
2754 lb/MWh
Subregion
SPP South