Query
Green Country Power Station
Type
Entity Briefing
Entity
Green Country Power Station
Generated
2026-10-06T15:31:06.353Z

Briefing on Green Country Power Station

Entity Briefing
Generated Oct 6, 2026·Dataset freshness not reported
904 MW
Capacity
Operating
Current status
2002
Operating since
6
Generators
46.1%
Capacity factor
3652 GWh
Annual generation
Briefing/plantOperating

Green Country Power Station is a 904 MW Natural Gas Fired Combined Cycle asset in SPP (Southwest Power Pool), currently Operating.

Green Country Power Station is reported in Oklahoma since 2002 under American Electric Power Company. Available operating and financial measures include 46.1% capacity factor and 3652 GWh annual generation; $965/kW reported CapEx.

Location
Tulsa, Oklahoma
Technology
Natural Gas Fired Combined Cycle
Owner / parent
American Electric Power Company
Operator
Public Service Co of Oklahoma
Grid
SPP (Southwest Power Pool)
Plant ID
55146

What stands out

1

Green Country Power Station is a 904 MW Natural Gas Fired Combined Cycle asset in Oklahoma with status Operating.

2

Latest annual operating measures report 46.1% capacity factor and 3652 GWh annual generation.

3

Available financial measures include $965/kW CapEx.

4

Latest linked story: “Southwest Power Pool, Inc., AEP Oklahoma Transmission Company, Inc., AEP Southwestern Transmission Company, Inc., Deseret Generation & Transmission Co-operative, Inc., Empire District Electric Company, Evergy Kansas Central, Inc., Evergy Kansas South, Inc., Evergy Metro, Inc., Evergy Missouri West, Inc., GridLiance High Plains LLC, ITC Great Plains, LLC, Mountrail-Williams Electric Cooperative, NextEra Energy Transmission Southwest, LLC, NorthWestern Energy Public Service Corporation, Oklahoma Gas and Electric Company, Prairie Wind Transmission, LLC, Public Service Company of Oklahoma, Southwestern Electric Power Company, Southwestern Public Service Company, Transource Missouri, LLC, Transource Oklahoma, LLC, Tri-State Generation and Transmission Association, Inc., Upper Missouri G. & T. Electric Cooperative, Inc.; Notice of Institution of Section 206 Proceeding and Refund Effective Date” (Federal Register (FERC), 2026-06-24).

Market and operating context

ISO / market
SPP (Southwest Power Pool)
Balancing authority
Southwest Power Pool
NERC region
MRO
State rank
#12 of 34
National rank
#206 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.