Clearwater Power 2026 Wildfire Plan Approved

Office of the Secretary Service Date March 23, 2026

BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

IN THE MATTER OF CLEARWATER ) CASE NO. CO1-E-26-01 POWER COMPANY’S APPLICATION FOR ) APPROVAL OF THE COMPANY’S 2026 ) NOTICE OF MODIFIED IDAHO WILDFIRE MITIGATION PLAN ) PROCEDURE ) ) ORDER NO. 36977 ) ) On January 20, 2026, Clearwater Power Company (“Company”) applied to the Idaho Public Utilities Commission (“Commission”) requesting approval of its 2026 Idaho Wildfire Mitigation Plan (“2026 WMP”), in accordance with the Wildfire Standard of Care Act, Idaho Code § 61-1801, et seq. (“WSCA”), and the guidelines established in Case No. GNR-E-25-02. On February 13, 2026, the Commission issued a Notice of Application and Notice of Intervention Deadline, setting a deadline for interested parties to file a petition to intervene. Order No. 36934. Intervention was granted to Potlatch Forest Holdings, LLC (“PotlatchDeltic”). Order No. 36938. With this Order we set public comment and Company reply deadlines.

YOU ARE HEREBY NOTIFIED that the Commission has determined that the public interest may not require a formal hearing in this matter, and that it will proceed under Modified Procedure pursuant to the Commission’s Rules of Procedure 201-204, IDAPA 31.01.01.201-.204. The Commission notes that Modified Procedure and written comments have proven to be an effective means for obtaining public input and participation. YOU ARE FURTHER NOTIFIED that persons desiring to state a position on this Application may file a written comment explaining why the person supports or opposes the Application. Persons who would like a hearing must specifically request a hearing in their written comments and explain why written comments alone are insufficient. Persons interested in filing written comments, must do so by June 2, 2026. Comments must be filed through the Commission’s website or by e-mail unless computer access is unavailable. To comment electronically, please access the Commission’s website at http://www.puc.idaho.gov/. Click the ORDER NO. 36977 1

“Case Comment Form” and complete the form using the case number as it appears on the front of this document. To file by e-mail, persons must e-mail the comments to the Commission Secretary and all parties at the e-mail addresses listed below. Persons submitting a comment by e-mail must provide their name, address, and the Case Number under which they are commenting. Persons submitting a comment by e-mail also acknowledge that submitting a comment in an open case constitutes a public record under Idaho Code § 74-101(13), and all information provided by such person is available for public and media inspection. If computer access is unavailable, then comments may be mailed to the Commission and the Parties at the addresses below. Persons submitting a comment by mail must provide their name, address, and the Case Number under which they are commenting. Persons submitting a comment by mail also acknowledge that submitting a comment in an open case constitutes a public record under Idaho Code § 74-101(13), and all information provided by such person is available for public and media inspection. For the Idaho Public Utilities For the Company: Commission: Commission Secretary Susan P. Weeks Idaho Public Utilities Commission James, Vernon & Weeks, P.A. P.O. Box 83720 1626 Lincoln Way Boise, ID 83702 Coeur d’Alene, ID 83814 secretary@puc.idaho.gov sweeks@jvwlaw.net YOU ARE FURTHER NOTIFIED that the Company must file any reply comments by June 23, 2026. YOU ARE FURTHER NOTIFIED that if no written comments or protests are received within the time limit set, the Commission will consider this matter on its merits and enter its final order without a formal hearing. If written comments are received within the time limit set, the Commission will consider them and, in its discretion, may set the same for formal hearing. ORDER IT IS HEREBY ORDERED that this Application be processed under Modified Procedure. Persons interested in submitting written comments must do so by June 2, 2026. The Company must file any reply comments by June 23, 2026.

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IT IS FURTHER ORDERED that parties comply with Order No. 35375, issued April 21,

1. Generally, all pleadings should be filed with the Commission electronically and will be deemed timely filed when received by the Commission Secretary. See Rule 14.02. Service between parties should continue to be accomplished electronically when possible. However, voluminous discovery-related documents may be filed and served on CD-ROM or a USB flash drive. DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 23 day of rd March, 2026. __________________________________________ EDWARD LODGE, PRESIDENT __________________________________________ JOHN R. HAMMOND JR., COMMISSIONER __________________________________________ DAYN HARDIE, COMMISSIONER ATTEST: Monica Barrios-Sanchez Commission Secretary

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