Lake Chelan Hydroelectric Project No. 637 - August 2025 Construction Report

Strategic Insights -

As part of the authorized Lake Chelan Power Tunnel Gate Construction Project, Public Utility District No. 1 of Chelan County has submitted a monthly construction report for August 2025 to the Federal Energy Regulatory Commission. The report provides updates on the project's progress and includes confidential Critical Energy Infrastructure Information (CEII). The District requests that this material not be released to the public, in accordance with 18 CFR 388.113c.

Key Takeaways:

  • The report is part of the Lake Chelan Power Tunnel Gate Construction Project, which was authorized by FERC on September 25, 2024.
  • The document is classified as Critical Energy Infrastructure Information (CEII) and is therefore subject to confidentiality requirements under 18 CFR 388.113c.
  • The report provides an update on the project's construction progress, but specific details are not disclosed due to confidentiality concerns.
  • The District has requested that the report not be released to the public, citing confidentiality requirements.
  • The report has been reviewed by Chief Dam Safety Engineer Ian Hunter, P.E., who concurs with the recommendations and findings contained therein.
  • The District has provided contact information for further inquiries, with Engineer Ian Hunter available at (509) 661-4305 or ian.hunter@chelanpud.org.

Statistics:

  • The Lake Chelan Power Tunnel Gate Construction Project was authorized by FERC on September 25, 2024 (Accession No. 20240925-3054).
  • The project's monthly construction report for August 2025 has been submitted to FERC.
  • The report is classified as Critical Energy Infrastructure Information (CEII) and is subject to confidentiality requirements under 18 CFR 388.113c.

Sources:

  • [1] Douglas L. Johnson, P.E., FERC (September 25, 2024). Project No. 637, Accession No. 20240925-3054.
  • [2] Public Utility District No. 1 of Chelan County, Washington (September 11, 2025). Letter to FERC, Project No. 637-WA.