Rock Island Hydroelectric Project: June Construction Report 2025

The Rock Island Hydroelectric Project, led by the Public Utility District No. 1 of Chelan County, Washington, has submitted its June 2025 construction report to the Federal Energy Regulatory Commission. The report details the project's progress on the Spillway Downstream and Upstream Parapet Wall Repair and Replacement Projects. The enclosed document, marked as Critical Energy Infrastructure Information (CEII), is subject to federal regulations and is not intended for public release.

Key Takeaways:

  • The report is in response to FERC's authorizations to proceed with the Spillway Downstream Parapet Wall Replacement Project, Spillway Upstream Parapet Wall repair, and Spillway Expansion Joint Rehabilitation.
  • The District requests that the enclosed material not be released to the public due to its Critical Energy Infrastructure Information (CEII) designation.
  • The Acting Portland Regional Engineer has reviewed and concurred with the findings contained in the enclosed document.
  • The report highlights the project's progress and any additional information that may be needed can be obtained by contacting the Acting Portland Regional Engineer.
  • The report is addressed to Acting Portland Regional Engineer, D2SI-PRO Federal Energy Regulatory Commission at 1201 NE Lloyd Blvd, Suite 750, Portland, OR 97232.
  • The project is a multi-phase effort involving the repair and replacement of various components of the Rock Island Hydroelectric Project.

Statistics:

  • The report is for the month of June 2025.
  • The project involves the Spillway Downstream and Upstream Parapet Wall Repair and Replacement Projects.
  • The District has requested that the enclosed material not be released to the public.
  • The Acting Portland Regional Engineer has reviewed and concurred with the findings.
  • The report is marked as CEII and is subject to federal regulations.

Sources:

  • Public Utility District No. 1 of Chelan County, Washington
  • Federal Energy Regulatory Commission (FERC)