Northwest Natural settles Washington rate case for $20.1M Year 1 increase, below request

Filed March 24, 2026 · Period ending March 23, 2026 · ~1 min read

Key Changes

• high

  NW Natural filed settlement with Washington regulators for $20.1M Year 1 revenue increase (vs. $25.6M requested), with additional $7.7M Year 2 and $8.7M Year 3 increases, totaling $36.5M over three years pending approval.

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• high

  Settlement establishes 9.5% return on equity across all three years with rate base growing from $328M to $410.7M as new plant investments are added, representing $80.7M increase since 2021 rate case.

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• medium

  Washington operations represent only 12% of customers and 8% of revenues, limiting overall financial impact to small portion of company's total business concentrated in Oregon.

  Item 8.01 verify on EDGAR →