NW Natural files stipulation for $21.3M rate hike vs originally requested $59.4M

Northwest Natural Holding Co

Stipulation reduces requested annual revenue increase from $59.4M to $21.3M, including $4.8M for updated depreciation.
Capital structure: 50% common equity, 50% long-term debt; ROE of 9.50%, overall cost of capital 7.12%.
Expected rate base of $2.234B as of Nov 1, 2025, up $144M from last rate case.
All parties except one support stipulation; OPUC approval required, rates targeted for Oct 31, 2025.

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