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Perennial Wind Chaser Station

Perennial Wind Chaser Station was an approved natural gas facility that would have consisted of up to four turbines with a maximum capacity of 415 megawatts.

At its September 27, 2022 meeting, the Council voted to issue a Final Order with findings of facts, reasoning, and conclusions of law approving both the proposed final retirement plan as the final retirement plan and terminating the site certificate for Perennial Wind Chaser Station. 

Western Umatilla County, on approximately 20 acres adjacent to the existing Hermiston Generating Plant. PDF Map | Online Map
Applicant/Certificate holder: Perennial-WindChaser LLC, a wholly-owned subsidiary of Perennial Power Holdings, Inc., which is a wholly-owned subsidiary of Sumitomo Corporation and Sumitomo Corporation of America.
ODOE contact: Sarah Esterson
Applicant/Certificate holder contact: JJ Jamieson
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Project Timeline

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Milestone
  
Additional Documents
Display Date
  
Preliminary Application Received
04/03/2014
Complete Application

Exhibits A-G
Exhibits H-L
Exhibits M-DD​​

10/17/2014
09/18/2015
09/23/2015
06/25/2019
11/22/2019
11/22/2019
04/27/2022
07/18/2022
07/29/2022
Comment Deadline
08/29/2022
10/03/2022
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​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