Montague Wind Power Facility is approved to be wind energy facility with up to 262 wind turbines and a maximum capacity of 404 megawatts, located within a site boundary of approximately 33,402 acres.
Under Review/Approved: The facility has not been built. Construction of the facility began before the September 14, 2017 deadline and must be completed by September 14, 2020.

n August 04, 2017, the certificate holder submitted a change request for the Department’s review of whether a site certificate amendment is required pursuant to OAR 345-027-0050 for two proposed facility modifications. The modifications seek to adjust the facility’s site boundary and change the transmission line route. The change request is currently under review; the Department’s amendment determination will be posted to the website once available.

n January 9, 2018, the Department began reviewing the preliminary Request for Amendment 4 (pAMD4) of the Montague Wind Power Facility Site Certificate (provided in link below). The Department is currently performing a completeness review of the pRFA and will notify the certificate holder whether the request for amendment is complete within 60 days after receipt of the pRFA [in accordance with the OAR 345-027-0063(2) requirements for Type A review]. Following the Department’s completeness determination, a complete version of AMD4 will be posted to the website. A public comment period will be initiated following the issuance of the Department's Draft Proposed Order (date TBD).

The pAMD
4 requests Council approval for the following primary components: expansion of the site boundary to encompass approximately 13,365 acres; wind turbine relocation; and the addition of both a solar array and battery storage system to the proposed expanded site boundary.
Gilliam County (Map​)
Applicant/Certificate holder: Montague Wind Power Facility, LLC, a wholly owned subsidiary of Avangrid Renewables, LLC, the U.S. division of parent company Iberdrola, S.A.
ODOE contact: Chase McVeigh-Walker
Applicant/Certificate holder contact: Brian Walsh
​​​​​​​​​Project Amendment(s)

Project Timeline

Preliminary Application Received
Complete Application




​Contact the Facility Siting Team:
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Exhibit Files Reference

  • Exhibit A: Applicant Information 
  • Exhibit B: Project Description
  • Exhibit C: Property Location and Maps
  • Exhibit D: Organizational Information
  • Exhibit E​: Permits Required
  • Exhibit F: Property Ownership 
  • Exhibit G: Materials Analysis
  • Exhibit H: Geology and Soil Stability 
  • Exhibit I: Soils
  • Exhibit J: Wetlands
  • Exhibit K: Land Use
  • Exhibit L: Protected Areas
  • Exhibit M: Financial Analysis
  • Exhibit N​: Non-generating Facility Information
  • Exhibit O: Water Requirements
  • Exhibit P: Fish Wildlife Habitat 
  • Exhibit Q: Threatened and Endangered Plants and Animals
  • Exhibit R: Scenic Aesthetic Values 
  • Exhibit S: Cultural Resources
  • Exhibit T: Recreational Facilities 
  • Exhibit U: Public Services
  • Exhibit V​: Waste Minimization 
  • Exhibit W: Site Restoration
  • Exhibit X: Noise 
  • Exhibit Y: Carbon Dioxide Emissions 
  • Exhibit Z: Cooling Towers  
  • Exhibit AA: EMFs – Electric and Magnetic Fields
  • Exhibit BB: Other Information
  • Exhibit CC: Additional Statutes Rules Ordinances
  • Exhibit DD​: Other Specific Standards