Docket No:  ADV 1879 Docket Name:  CASCADE ADVICE NO. O26-06-01 SCHEDULE 810 DUAL FUEL SYSTEM PILOT Submit Public Comment Subject Company:  CASCADE NATURAL GAS     Cascade's Advice No. O26-06-01, Schedule 810, Dual Fuel Systems Pilot. The purpose of this filing is to extend the duration of the hybrid heating system pilot program established in Schedule 810, Dual Fuel Systems Pilot. Filing Date:  6/12/2026 Advice No: O26-06-01       Effective:  8/5/2026 Expiration:   Status:  PENDING Email Service List (semi-colon delimited)      Email Service List (comma delimited)   If you experience problems with the above 'Email Service List' links, please try one of these: Service List Popup (semi-colon delimited)     Service List Popup (comma delimited) General information about Tariff Filings.

ACTIONS SERVICE LIST SCHEDULE Public Comments Sort By Date        Sort By Type Date: 6/12/2026 Action:  INITIAL UTILITY FILING      Description Cascade's Advice No. O26-06-01, Schedule 810, Dual Fuel Systems Pilot. The purpose of this filing is to extend the duration of the hybrid heating system pilot program established in Schedule 810, Dual Fuel Systems Pilot.