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Filing UG - 250610

Company: Northwest Natural Gas Company
DBA: NW Natural
Filing Type: Tariff Revision
Case Status: Formal
Dates (Opened & Effective): 08/14/2025 & 09/13/2025
Summary: General Rate Case proposing a three-year rate plan. The company proposes to increase gas revenues effective in August 2026 (RY1), August 2027 (RY2), and August 2028 (RY3). The proposed revenue increases are approximately $25.6 million (22.8%) for RY1, approximately $8.6 million (6.2%) for RY2, and approximately $8.3 million (5.7%) for RY3. If approved, increases to a residential customer’s monthly bill with average use of 55 therms would be $15.72 for RY1, $4.56 for RY2, and $4.62 for RY3. (Do Not Change Summary.)
Date File Link Document Type Description File Size
02/04/2026 UG-250610 - Order 04 Approving Proposed Budgets and Fund Grants - NW Natural.pdf Order - Other Order 04 Approving Proposed Budgets and Fund Grants 189,582 KB
02/04/2026 250610-POS.pdf Order - Other Order 04 Approving Proposed Budgets and Fund Grants 82,369 KB
10/24/2025 UG-250610 - Order 03 Prehearing Conference Order - NW Natural.pdf Order - Prehearing Conference Order 03 Prehearing Conference Order; Notice of Hybrid Evidentiary Hearing (Set for May 4, 2026, at 9 a.m.) 285,398 KB
10/24/2025 250610-POS.pdf Order - Prehearing Conference Order 03 Prehearing Conference Order; Notice of Hybrid Evidentiary Hearing (Set for May 4, 2026, at 9 a.m.) 82,401 KB
10/22/2025 250610 POS.pdf Order - Protective Order 02 Protective Order with Provisions Governing Highly Confidential Information. 81,795 KB
10/22/2025 UG-250610 - Order 02 Protective Order with Provisions Governing Highly Confidential Information - Northwest Natural.pdf Order - Protective Order 02 Protective Order with Provisions Governing Highly Confidential Information. 194,035 KB
09/29/2025 250610-POS.pdf Order - Complaint Order 01 Complaint and Order Suspending Tariff Revisions 81,688 KB
09/29/2025 UG-250610 - Order 01 Complaint and Order Suspending Tariff Revisions - NW Natural.pdf Order - Complaint Order 01 Complaint and Order Suspending Tariff Revisions 271,055 KB