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147.2 MW Wind operating in Grant, OK
147.2 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2016
Operating Since
Coordinates
36.9708, -97.7053
County
Grant, OK
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southern Power Co | Apex Clean Energy | — |
| Owner(s) | Grant Plains Wind, LLC | Southern | — |
| Status | Operating | operating | — |
Grant Plains Wind, LLC is a 147.2 MW wind power plant located in Grant County, Oklahoma. The facility began operating in 2016 and is owned and operated by Southern Power Co, a subsidiary of Southern Company. The plant utilizes a single generator consisting of onshore wind turbines. Specifically, it employs Siemens SWT-2.3-108 turbines, characterized by a rotor diameter of 108 meters and a hub height of 80 meters.
The plant's latest annual generation was 471,183 MWh, resulting in a capacity factor of 36.6%. Grant Plains Wind operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. It is ranked as the 41st largest wind farm in Oklahoma out of 57, and 540th nationally out of 734.
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
Investor-Owned Utility
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
48.8K MWh
Latest Month
471.2K MWh
Annual Generation
36.6%
Capacity Factor
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2016
$1,611/kW
Est. Construction Cost
Total estimated cost: $237.1M
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Market Position
ISO/RTO Market
SPP
LMP Node
OKGE.GRANTPLNS.WIND.1
Pricing Hub
SPPSOUTH_HUB
Location Type
Settlement Location
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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