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Facilities

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The Oregon Trail Solar Facility is an approved energy generation facility to include any combination of wind and solar facility components not to exceed 41 MW, including up to 16 wind turbines or up to 400 acres of solar photovoltaic energy generation equipment within the approved 1,228 acre solar micrositing area. Facility components would be located within an approved 13,866 acre site boundary.

Approved: Construction of the facility must commence on or before August 30, 2025. 

On March 24, 2023, the Energy Facility Site Council approved the Final Order on Request for Amendment 1 of the Oregon Trail Solar site certificate.

​Gilliam County, south of Arlington. PDF Map  | Online Map

Applicant/Certificate holder: Oregon Trail Solar, LLC, a wholly owned subsidiary of Avangrid Renewables, LLC, the U.S. division of parent company Iberdrola, S.A.
ODOE contact: Kathleen Sloan
Applicant/Certificate holder contact: Kristen Goland

​​On September 25, 2020, the Energy Facility Siting Council approved Request for Amendment 5 of the Montague Wind Power Facility site certificate, which authorized allocation of previously approved facility components into an amended and two original site certificates for Montague Wind Power Facility​, Montague Solar Facility​ and Oregon Trail Solar Facility, respectively. The documentation for the original project can be found on the Montague Wind Power Facility webpage.

  • Click ​here to view a diagram of the Site Certificate history.​​



Project Timeline

  
Additional Documents
  
10/06/2020
12/19/2022
03/24/2023
03/24/2023

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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