348.2 MW Natural Gas Steam Turbine (340 MW) + Petroleum Liquids (8 MW) operating in Tulsa, OK — Southwest Power Pool
348.2 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1956
Operating Since
Coordinates
36.1165, -95.9910
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 Tulsa plant, located in Tulsa County, Oklahoma, is a 348.2 MW hybrid power plant primarily fueled by natural gas, with petroleum liquids also listed as a fuel. The plant began operating in 1956 and has 3 generators utilizing natural gas steam turbine technology. It is owned by American Electric Power Company and operated by Public Service Co of Oklahoma. The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region.
In the most recent year with available data, the Tulsa plant generated 384,535 MWh of electricity, resulting in a capacity factor of 12.5%. The plant is ranked as the 17th largest in Oklahoma out of 26 plants and 600th nationally out of 945 plants. Recent news coverage of the plant includes 4 articles related to deals, 3 to industry news, 2 to grid issues, and 1 to regulatory matters.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
13.1K MWh
Latest Month
384.5K MWh
Annual Generation
12.5%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
SPP
LMP Node
CSWTULSA4
Pricing Hub
SPP South Hub
Node Source
Curated node match
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
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It takes two aluminum firms to build one power-hungry smelter, apparently
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PSO suing Rogers County over power plant expansion plan blocked
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Last updated 2026-03-21
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