Query
Mammoth Plains
Type
Entity Briefing
Entity
Mammoth Plains
Generated
2026-10-07T08:44:21.951Z

Briefing on Mammoth Plains

Entity Briefing
Generated Oct 7, 2026·Dataset freshness not reported
226 MW
Capacity
Operating
Current status
2014
Operating since
1
Generators
36.3%
Capacity factor
720 GWh
Annual generation
Briefing/plantOperating

Mammoth Plains is a 226 MW Onshore Wind Turbine asset in SPP (Southwest Power Pool), currently Operating.

Mammoth Plains is reported in Oklahoma since 2014 under NextEra Energy. Available operating and financial measures include 36.3% capacity factor and 720 GWh annual generation; $1650/kW reported CapEx.

Location
Dewey, Oklahoma
Technology
Onshore Wind Turbine
Owner / parent
NextEra Energy
Operator
Mammoth Plains Wind Project
Grid
SPP (Southwest Power Pool)
Plant ID
59284

What stands out

1

Mammoth Plains is a 226 MW Onshore Wind Turbine asset in Oklahoma with status Operating.

2

Latest annual operating measures report 36.3% capacity factor and 720 GWh annual generation.

3

Available financial measures include $1650/kW CapEx.

Market and operating context

ISO / market
SPP (Southwest Power Pool)
Balancing authority
Southwest Power Pool
NERC region
MRO
State rank
#20 of 70
National rank
#220 of 1,442

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.