Red Hills Wind Project LLC — Plant Summary
- EIA Plant ID
- 56804
- Capacity
- 123 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Roger Mills, OK
- Operating Since
- 2008
- Generators
- 1
- Operator
- Acciona Wind Energy USA LLC
- Parent Company
- Acciona
- Annual Generation
- 121,067 MWh
- Capacity Factor
- 11.2%
- Balancing Authority
- Southwest Power Pool
- ISO/RTO
- SPP
- NERC Region
- MRO
Red Hills Wind Project LLC
OperatingWind
Ranked #47 of 69 Wind plants in OK#608 of 1442 nationally
123 MW Wind operating in Roger Mills, OK — Southwest Power Pool
EIAGEMWD
123 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2008
Operating Since
Location
Coordinates
35.5350, -99.3828
County
Roger Mills, OK
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Acciona Wind Energy USA LLC | Acciona | — |
| Owner(s) | Acciona Wind Energy USA LLC | Acciona | — |
| Status | Operating | operating | — |
Ownership Chain
About
The 123 megawatt (MW) Red Hills Wind Farm is located in Roger Mills and Custer counties, near Elk City, Oklahoma. The wind farm has 82 Acciona 1.5-MW wind turbines, and the Red Hills facility is spread across 5,000 acres (20 km2). Acciona Energy North America opened the wind farm in June 2009.
Read more on WikipediaRed Hills Wind Project LLC is a 123 MW wind power plant located in Roger Mills County, Oklahoma. The facility began operating in 2008 and utilizes onshore wind turbine technology. It consists of a single generator. The plant is owned and operated by Acciona Wind Energy USA LLC, a subsidiary of the Spanish company Acciona.
The wind farm uses Acciona AW77/1500 model turbines, with a rotor diameter of 77 meters and a hub height of 80 meters. In the most recent year of reported data, the plant generated 121,067 MWh, achieving a capacity factor of 11.2%. Red Hills Wind Project operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. It is ranked as the 47th largest wind farm out of 57 in Oklahoma, and 602nd out of 734 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
OperationalWind123 MWSPP
Generation
6.6K MWh
Latest Month
121.1K MWh
Annual Generation
11.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Red Hills Tap · 138 kV
Substation Distance
0.058 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
WFEC_REDHILLS_WIND_FARM
Pricing Hub
SPP South Hub
Node Source
Curated node match
News & Articles (10)Beta
General
Spain’s ACCIONA powers up Laguna’s Kalayaan 2 wind farm with first turbine
Spanish renewable energy firm ACCIONA Energía has installed the first turbine at its 101-megawatt (MW) Kalayaan 2 Wind Farm in Laguna,...
Bilyonaryo Business News·3 days ago
Hazards·wildfire
Red Flag Warning: Harper; Woods; Alfalfa; Ellis; Woodward; Major; Roger Mills; Dewey; Custer; Beckham; Washita; Harmon
Red Flag Warning issued March 21 at 12:09PM CDT until March 22 at 9:00PM CDT by NWS Norman OK
Red Flag Warning (hazard)
NWS Norman OK·5 days ago
Hazards·wildfire
Red Flag Warning: Harper; Woods; Alfalfa; Ellis; Woodward; Major; Roger Mills; Dewey; Custer; Beckham; Washita; Harmon
Red Flag Warning issued March 21 at 12:09PM CDT until March 21 at 9:00PM CDT by NWS Norman OK
Red Flag Warning (hazard)
NWS Norman OK·5 days ago
Hazards·wildfire
Fire Weather Watch: Harper; Woods; Alfalfa; Ellis; Woodward; Major; Roger Mills; Dewey; Custer; Beckham; Washita; Harmon
The Fire Weather Watch has been replaced. Please see the latest information from NWS Norman OK on this developing situation.
Fire Weather Watch (hazard)
NWS Norman OK·6 days ago
Last updated 2026-03-26
View all 10 articles