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1121.7 MW Natural Gas Fired Combustion Turbine (173 MW) + Natural Gas Steam Turbine (946 MW) + Petroleum Liquids (3 MW) operating in Tulsa, OK — Southwest Power Pool
1,121.7 MW
Nameplate Capacity
5
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine + Petroleum Liquids
1974
Operating Since
Coordinates
35.9978, -95.9567
County
Tulsa, OK
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Public Service Co of Oklahoma | Public Service Company of Oklahoma | — |
| Owner(s) | Public Service Co of Oklahoma | American Electric Power Company | — |
| Status | Operating | — | — |
The Riverside power plant, located in Tulsa County, Oklahoma, has a total capacity of 1121.7 MW. The plant began operating in 1974 and is owned by American Electric Power Company, with Public Service Co of Oklahoma as the operator. Riverside is a hybrid plant utilizing multiple technologies, including natural gas-fired combustion turbines and steam turbines, as well as petroleum liquids. It consists of 5 generators and is fueled primarily by natural gas.
Riverside operates within the Southwest Power Pool (SPP) balancing authority and the MRO NERC region. In the state of Oklahoma, it is ranked as the 9th largest power plant out of 26, and nationally it is ranked 134th out of 945. The plant's latest annual generation was 745,862 MWh, resulting in a capacity factor of 7.6%.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
3.9K MWh
Latest Month
745.9K MWh
Annual Generation
7.6%
Capacity Factor
CO₂ Intensity
1609 lb/MWh
NOx
3 lb/MWh
SO₂
0.008 lb/MWh
CH₄
0.024 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
11.4%
Annual Net Gen
1121 GWh
CO₂eq
1610 lb/MWh
Subregion
SPP South
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.1B
Point of Interconnection
Nearest Substation
Riverside Substation · 138 kV
Substation Distance
0 km
Operator
Public Service Company of Oklahoma
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
CSWRIVERSIDE1
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
Curated node match
Last updated 2026-04-09
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