Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
1214 MW Natural Gas operating in Wagoner, OK — Southwest Power Pool
1,214 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
36.0119, -95.6967
County
Wagoner, OK
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Oneta Power LLC | Oneta Power | — |
| Owner(s) | Oneta Power LLC | Argo Infrastructure Partners | — |
| Status | Operating | — | — |
Oneta Energy Center is a 1214 MW natural gas-fired combined cycle power plant located in Wagoner County, Oklahoma. The plant began operating in 2002 and consists of 6 generators. It is owned by Argo Infrastructure Partners and operated by Oneta Power LLC. The plant is connected to the Southwest Power Pool (SPP) balancing authority and is within the Midwest Reliability Organization (MRO) NERC region.
In terms of capacity, Oneta Energy Center is the 8th largest power plant in Oklahoma out of 26, and ranks 111th nationally out of 945 plants. The plant's latest annual generation was 4,806,336 MWh, resulting in a capacity factor of 45.2%.
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
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
291.4K MWh
Latest Month
4.8M MWh
Annual Generation
45.2%
Capacity Factor
CO₂ Intensity
893 lb/MWh
NOx
0.271 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
52.9%
Annual Net Gen
5622 GWh
CO₂eq
894 lb/MWh
Subregion
SPP South
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.2B
Market Position
ISO/RTO Market
SPP
LMP Node
ONETA
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
EIA-860 direct report
Last updated 2026-04-09
View all articlesNo ask pi reports yet for this entity.
ask pi about Oneta Energy Center