Docket No:  ADV 1909 Docket Name:  AVISTA ADVICE NO. 26-04-G RULE 18 Submit Public Comment Subject Company:  AVISTA UTILITIES     Avista Advice No. 26-04-G Proposed Modifications to Rule 18, Natural Gas Meter Testing Procedures. The primary purpose of the requested tariff revision is to decrease the complexity of the inspection levels contained within the Company’s current meter... Filing Date:  10/5/2026 Advice No: 26-04-G       Effective:  12/1/2026 Expiration:   Status:  PENDING Case Manager:  YASSIR RASHID Phone:  503-949-5870 Email:   yassir.rashid@puc.oregon.gov 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)

ACTIONS SERVICE LIST SCHEDULE Public Comments Date/Time Event Description 12/1/2026 EFFECTIVE DATE/ STATUTORY DEADLINE