Klamath Cogeneration Project

Operating/Under Review. On May 22, 2026 the Department received the certificate holder's Preliminary Request for Amendment 6 (pRFA6). In pRFA6, the certificate holder seeks approval to amend Condition IV.P(9) of the site certificate to allow for the disposal of heat recovery steam generator blowdown water through the City of Klamath Falls' wastewater treatment plant. On July 10, 2026, the Department received a complete RFA6.

On July 27, 2026, the Department issued a Proposed Order and Public Notice of a comment period extending from July 27 through August 28, 2026, and of an August 21, 2026 public hearing on the amendment request and Proposed Order. These materials are available under the Project Amendment Timeline below.​

The Public Comment Period is open and extends from July 27, 2026 until August 28, 2026 at 5:00 PM Pacific Time.

Written comments can be submitted via email, mail and the Department's Comment Portal. To submit via the comment portal go to: Siting Public Comment · Customer Self-Service and select “Klamath Cogeneration Project RFA6" from the drop down menu and follow the prompts to create and submit your comment. You will receive an email confirmation once your comment is received.

Oral comments can be made at the Public Hearing. The Public Hearing will be held at the scheduled EFSC meeting on August 21, 2026 in The Dalles, Oregon. To participate in the Public Hearing in-person or virtually/remotely via Teams or phone, please see the details in the Public Notice available in the Project Amendment Timeline Below:

Public Hearing: Friday August 21, 2026 at 10:00 AM Pacific Time

In Person Location:

                 Columbia River Hotel Conference Room

                 3223 Bret Clodfelter Way

                 The Dalles, Oregon 97058