WUTC approves NW Natural multi-year rate plan with $20.1M first-year revenue increase

Northwest Natural Holding Co

WUTC order approves settlement; revenue increases of $20.1M (Year 1), $7.5M (Year 2), $7.4M (Year 3) starting Aug 2026.
Authorized ROE of 9.5% and 50% equity capital structure; average rate base of $328M in Year 1.
Order preserves NW Natural's line extension allowance in Washington, resolving the litigated issue.
New rates effective August 1, 2026; plant placed after March 31, 2025 subject to review and refund.

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