Yellow Rosebush Energy Center

Facilities

Yellow Rosebush Energy Center is an approved 800 megawatt (MW) solar photovoltaic power generation facility with related or supporting facilities including battery storage system, transmission line (two alternatives), substation, O&M building, and new and improved roads.

The facility is approved to use or occupy up to 4,992 acres (7.8 sq. miles) within an approximately 8,075 acre (12.6 sq. miles) site boundary on private land zoned for Exclusive Farm Use (EFU) in Wasco and Sherman counties (the transmission line alternative is the only facility component located in Sherman County).

Approved. At the September 18, 2026 EFSC meeting, the Energy Facility Siting Council (EFSC or Council) approved the Final Order on the Application for Site Certificate (ASC) for the Yellow Rosebush Energy Center (facility) and granted issuance of a site certificate. The Final Order on the ASC was served to the parties in the Contested Case on October 1, 2026 pursuant to ORS 469.403 and 183.470. Only parties in the contested case may file a petition for rehearing or appeal under the provisions of ORS 469.403.

The deadline for the certificate holder (Yellow Rosebush, LLC) to commence construction is September 18, 2032. Facility construction must be completed within 3 years of the construction commencement date.

Wasco and Sherman counties, approximately 9 miles east of Maupin, Oregon. PDF Map | Online Map

Applicant/Certificate holder: Yellow Rosebush Energy Center, LLC., a wholly owned subsidiary of Savion, LLC

ODOE contact: Kathleen Sloan

Applicant/Certificate holder contact: Chris Powers

Project Timeline

Facility Timelines

Milestone	Additional Documents	Display Date	Link	Name	Name
<div style='text-align:left !important'>Notice of Intent</div>		09/28/2023		Notice of Intent	Notice of Intent
<div style='text-align:left !important'><a href='/energy/facilities/Facilities%20library/2024-01-26-YRB-NOI-Project-Order.pdf'>Project Order</a></div>		01/26/2024	/energy/facilities/Facilities%20library/2024-01-26-YRB-NOI-Project-Order.pdf	Project Order	Project Order
<div style='text-align:left !important'><a href='/energy/facilities/Facility%20Exhibits/YRB/2025-09-05-YRBAPP-ASC-Submittal-with-Div-21-and-22-Exhibit-Crosswalk.pdf'>ASC and DPO Exhibit Crosswalk for Division 21 and 22</a></div>		09/04/2025	/energy/facilities/Facility%20Exhibits/YRB/2025-09-05-YRBAPP-ASC-Submittal-with-Div-21-and-22-Exhibit-Crosswalk.pdf	ASC and DPO Exhibit Crosswalk for Division 21 and 22	ASC and DPO Exhibit Crosswalk for Division 21 and 22
<div style='text-align:left !important'>Complete Application for Site Certificate (ASC)</div>	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 : Wildfire Risk Exhibit W: Waste Minimization Exhibit X: Site Restoration Exhibit Y: Noise 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	09/05/2025		Complete Application for Site Certificate (ASC)	Complete Application for Site Certificate (ASC)
<div style='text-align:left !important'><a href='/energy/facilities/Facilities%20library/2026-10-01-YRBAPP-Final-Order-2026-10-01.pdf'>Final Order on ASC </a></div>	Attachments	10/01/2026	/energy/facilities/Facilities%20library/2026-10-01-YRBAPP-Final-Order-2026-10-01.pdf	Final Order on ASC	Final Order on ASC
<div style='text-align:left !important'><a href='/energy/facilities/Facilities%20library/2026-10-01-YRBAPP-Site-Certificate-2026-10-01.pdf'>Site Certificate</a></div>		10/01/2026	/energy/facilities/Facilities%20library/2026-10-01-YRBAPP-Site-Certificate-2026-10-01.pdf	Site Certificate	Site Certificate

Contact the Facility Siting Team:

503-378-4040
800-221-8035
energy.siting@oregon.gov