Query
Oneta Energy Center
Type
Entity Briefing
Entity
Oneta Energy Center
State
MT
Generated
2026-10-13T06:50:43.276Z

Briefing on Oneta Energy Center

Entity Briefing
Generated Oct 13, 2026·Dataset freshness not reported
1.2 GW
Capacity
Operating
Current status
2002
Operating since
6
Generators
45.2%
Capacity factor
4806 GWh
Annual generation
Briefing/plantOperating

Oneta Energy Center is a 1.2 GW Natural Gas Fired Combined Cycle asset in SPP (Southwest Power Pool), currently Operating.

Oneta Energy Center is reported in Oklahoma since 2002 under Argo Infrastructure Partners. Available operating and financial measures include 45.2% capacity factor and 4806 GWh annual generation; $965/kW reported CapEx.

Location
Wagoner, Oklahoma
Technology
Natural Gas Fired Combined Cycle
Owner / parent
Argo Infrastructure Partners
Operator
Oneta Power LLC
Grid
SPP (Southwest Power Pool)
Plant ID
55225

What stands out

1

Oneta Energy Center is a 1.2 GW Natural Gas Fired Combined Cycle asset in Oklahoma with status Operating.

2

Latest annual operating measures report 45.2% capacity factor and 4806 GWh annual generation.

3

Available financial measures include $965/kW CapEx.

4

Latest linked story: “Calpine’s Sale Includes Oneta Energy Center in NE Oklahoma” (Oklahoma Energy Today, 2017-08-21).

Market and operating context

ISO / market
SPP (Southwest Power Pool)
Balancing authority
Southwest Power Pool
NERC region
MRO
State rank
#9 of 34
National rank
#115 of 2,025

Why it matters

For this asset in SPP (Southwest Power Pool), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.