Exhibit 5(b)

August 9, 2024
Northwest Natural Holding Company
250 SW Taylor Street
Portland, Oregon 97204
Ladies and Gentlemen:
With respect to the Registration Statement No. 333-281437 (the “Registration Statement”) filed with the Securities and Exchange Commission (the “Commission”) on August 9, 2024, by Northwest Natural Holding Company (the “Company”), relating to the offer and sale of up to $200,000,000 of the Company’s common stock, no par value (the “Shares”) as described in the Company’s Prospectus dated August 9, 2024 and Prospectus Supplement dated August 9, 2024, and pursuant to the Equity Distribution Agreement, dated August 13, 2021, between the Company and Wells Fargo Securities, LLC, J.P. Morgan Securities LLC and RBC Capital Markets, LLC (as supplemented by the Joinder Letter, dated August 9, 2024, with BMO Capital Markets Corp., and the Written Notice delivered August 9, 2024, relating to, among other things, an increase in the maximum gross sales price for Shares that may be offered under such Equity Distribution Agreement, the “Equity Distribution Agreement”), we have reviewed such documents and records as we have deemed necessary to enable us to express an opinion on the matters covered hereby. As to questions of fact material to the opinions expressed herein, we have relied upon representations and certifications of the officers of the Company and appropriate public officials without independent verification of such matters. In such examination, we have assumed the genuineness of all signatures, the legal capacity of all natural persons, the authenticity of the documents submitted to us as originals, the conformity with the originals of all documents submitted to us as originals of the documents submitted to us as certified, facsimile or electronic copies and the authenticity of the originals of all documents submitted to us as copies.
Based upon the foregoing, we are of the opinion that:
| 1. | The Company is a corporation duly organized and validly existing under the laws of the State of Oregon. |
| 2. | The Shares to be issued and sold by the Company pursuant to the Equity Distribution Agreement, when issued and delivered by the Company in accordance with the Equity Distribution Agreement against payment of the consideration contemplated thereby, will be duly authorized, validly issued, fully paid and non-assessable. |
| | | | |
| | Morgan, Lewis & BockiusLLP | | |
| | |
| | 101 Park Avenue | | |
| | New York, NY 10178-0060 | | +1.212.309.6000 |
| | United States | | +1.212.309.6001 |