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The Sunstone Solar Project (formerly Echo Solar Project) is a proposed 1,250-megawatt solar photovoltaic power generation facility. In addition to the proposed solar photovoltaic arrays, the facility would include 7,500 megawatt hours of distributed battery storage capacity, an interconnection substation, seven collector substations, an operations and maintenance building, and other structures including roads, perimeter fencing and gates. If approved, the facility would be located on approximately 10,900 (17 sq. miles) acres of private land zoned for Exclusive Farm Use in Morrow County, Oregon

Proposed. The Department received a Notice of Intent to apply for a Site Certificate on May 10, 2022. The Department issued a Project Order establishing the requirements for the application for site certificate on September 27, 2022. 

On June 1, 2023, the Department received notice from the Applicant that the name of Echo Solar, LLC was legally changed to Sunstone Solar, LLC as of March 16, 2023. The Applicant also informed the Department that it wished to change the name of the facility from Echo Solar Project to Sunstone Solar Project.

The preliminary application for site certificate was filed on August 8, 2023, and is available in the timeline below. On October 6, 2023, the Department notified the Applicant that the preliminary application was incomplete and requested additional information needed to complete its evaluation of compliance with applicable laws, rules, and standards. After receipt of the responses, the Department will request additional information or determine that the application is complete.​

​Morrow County, approximately 15 miles northeast of Lexington, Oregon.​ PDF Map Online Map

Applicant/Certificate holder: Sunstone Solar, LLC, a wholly owned subsidiary of Pine Gate Renewables, LLC
ODOE contact: Christopher Clark
Applicant/Certificate holder contact: Logan Stephens


Project Timeline

Additional Documents



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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