Tim O'Toole

Christopher Ellinghaus

Selman Akyol

Tyler Rakers

- The Public Utility Commission of Oregon (OPUC) issued a final order on **October 24, 2025**, approving the general rate case for Northwest Natural Gas Company, a subsidiary of Northwest Natural Holding Company.  **[1733998_0001733998-25-000172_nwn-20251024.htm:1]** 
- This approval results in a **$20.7 million annual revenue requirement increase** over existing rates, with new rates expected to take effect on **October 31, 2025**.  **[1733998_0001733998-25-000172_nwn-20251024.htm:1]** 
- The rate increase is based on a capital structure of **50% common equity and 50% long-term debt**, a cost of long-term debt of **4.74%**, a return on equity of **9.5%**, and an overall cost of capital of **7.12%**.  **[1733998_0001733998-25-000172_nwn-20251024.htm:1]** 
- The average rate base after final adjustments for completed capital projects was **$2.27 billion**, an increase of **$180.1 million** since the last rate case.  **[1733998_0001733998-25-000172_nwn-20251024.htm:1]**

Northwest Natural Holding (NWN)