Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form on S-8 (Nos. 333-187005-01, 333-180350-01, 333-134973-01, 333-100885-01, 333-139819-01, 333-221347-01 and 333-227687) and Form S-3 (No. 333-227662) of Northwest Natural Holding Company of our report dated March 1, 2019 relating to the financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.