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178.2 MW Natural Gas operating in Oklahoma, OK — Southwest Power Pool
178.2 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1971
Operating Since
Coordinates
35.4147, -97.3735
County
Oklahoma, OK
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Oklahoma Gas & Electric Co | — | — |
| Owner(s) | Oklahoma Gas & Electric Co | — | — |
| Status | Operating | — | — |
The Tinker power plant is a 178.2 MW natural gas-fired facility located in Oklahoma County, Oklahoma. It is owned and operated by Oklahoma Gas & Electric Co. The plant consists of four natural gas-fired combustion turbine generators. Tinker began operating in 1971 and is connected to the Southwest Power Pool (SPP) balancing authority, within the broader Midcontinent Reliability Organization (MRO) NERC region. It ranks as the 21st largest power plant in Oklahoma out of 26, and 774th nationally out of 945.
In the most recent year with available data, Tinker generated 30,679 MWh of electricity, resulting in a capacity factor of 2.0%. Financial data indicates an installed cost of $183.2 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
2.4K MWh
Latest Month
30.7K MWh
Annual Generation
2.0%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
10 lb/MWh
SO₂
Steam turbine · Oklahoma Gas and Electric Company · Data from 2019–2024
$160/kW
Installed Cost
$1/kW
Annual CapEx
$105.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Tinker #6 Substation · 138 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
OKGETINK5A
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
EIA-860 direct report
Last updated 2026-03-14
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ask pi about TinkerSouthwest Power Pool (SWPP)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.000 lb/MWh
CH₄
0.031 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
3.0%
Annual Net Gen
22 GWh
CO₂eq
2 lb/MWh
Subregion
SPP South