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Notice of Application & Environmental Review: Helion conditional use permit

Project File No.: CUP 25-201 Application Date: July 29, 2025
Project Location: 7588 Malaga Alcoa Highway (Parcel No. 21-22-05-000-025) Determination of Complete Date: Aug. 12, 2025
Owner: Chelan County PUD Notice of Application Date: Aug. 21, 2025
Agent: Helion One, LLC Comment Period Ends: Sept. 4, 2025

 

Proposed Project Description: An application for a Conditional Use Permit has been submitted for the construction of a High Impact Utility Facility for the generation of power through fusion. The subject property is located within the Rural Industrial zoning district.

SEPA Review: Chelan County has reviewed the proposed project for probable adverse environmental impacts and issued a SEPA Mitigated Determination of Nonsignificance on May 30, 2025.

Permits Required: Commercial building permits for the office, assembly building, fusion generation building (Chelan County). Other permit approvals include Construction Stormwater General Permit (Ecology), Notice of Construction Air Quality (Ecology), Large on-site septic system (Chelan Douglas Health District), Industrial Radioactive Materials License (DoH), X-ray Registration (DoH), Radioactive Air Emissions License (DoH), EPA/State Identification Number (Ecology), Low-level Radioactive Waste Site Use Permit (DoH) and a Decommissioning Plan, if not already required in DoH permitting.  

Public Review and Comment Period: PUBLIC COMMENT ON THIS PROPOSAL IS ENCOURAGED, and no action will be taken on the project until the Agency comment period ends on Sept. 4, 2025. Agencies, tribes, and the public are encouraged to review and comment on the proposed project. Public comments will be accepted at any time prior to the close of the public record on project permits. Chelan County welcomes written public comment on all proposed land use actions.

Comments must include your name, current address and original signature and should be as specific as possible. Any person has the right to receive notice, participate in any hearings, request a copy of the final decision and appeal the decision as provided by law. Written comments must be submitted to the Department of Community Development, 316 Washington St., Suite 301 Wenatchee, WA 98801; Attention: Susan Dretke or Jamie Strother. Or email Susan Dretke or Jamie Strother for additional information or to review application materials.

The complete case file on this matter is available for review online at co-chelan-wa.smartgovcommunity.com/PublicNotice/PublicNoticeHome; or during normal business hours from 8 a.m. to 5 p.m. Monday through Friday at the offices of Chelan County Community Development, 316 Washington St., Suite 301, in Wenatchee. Please contact the on-call planner at 509-667-6224 to arrange an inspection of the file.

ADDITIONAL MATERIALS

CUP 25-201 SEPA

CUP 25-201 Application Materials

 

Last Updated: 08/22/2025 09:39 AM

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