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250 MW Wind operating in Ellis, OK
250 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2023
Operating Since
Coordinates
36.4726, -99.7618
County
Ellis, OK
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Enel Green Power NA, Inc. | Enel Green Power | — |
| Owner(s) | Enel Kansas, LLC | Enel | — |
| Status | Operating | operating | — |
Located in Ellis County, Oklahoma, the 25 Mile Creek wind farm has a total capacity of 250 MW. The facility began operating in 2023 and is owned by Enel, an Italian parent company. Enel Green Power NA, Inc. is the listed operator per EIA data. The plant utilizes a single generator consisting of onshore wind turbines. It ranks as the 14th largest wind farm in Oklahoma out of 57, and 171st nationally out of 734.
The wind farm uses Vestas V150-4.2 turbines, with a rotor diameter of 150 meters and a hub height of 105 meters. In its latest year of operation, the plant generated 1,062,225 MWh, achieving a capacity factor of 48.5%. The 25 Mile Creek wind farm operates within the Southwest Power Pool (SPP) balancing authority and the MRO NERC region.
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
83.5K MWh
Latest Month
1.1M MWh
Annual Generation
48.5%
Capacity Factor
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Request a demo →2023
$1,468/kW
Est. Construction Cost
Total estimated cost: $367.0M
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Request a demo →Market Position
ISO/RTO Market
SPP
LMP Node
OKGE.25MC.25MC
Pricing Hub
SPP South Hub
Location Type
Settlement Location
Node Source
Curated node match
Last updated 2026-03-26
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