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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

December 17, 2021
Date of Report (Date of earliest event reported)

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NORTHWEST NATURAL HOLDING COMPANYNORTHWEST NATURAL GAS COMPANY
(Exact name of registrant as specified in its charter) (Exact name of registrant as specified in its charter) 
Commission file number 1-38681 Commission file number 1-15973
Oregon82-4710680Oregon93-0256722
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)
250 SW Taylor Street250 SW Taylor Street
 Portland,Oregon97204 Portland,Oregon97204
(Address of principal executive offices)  (Zip Code)(Address of principal executive offices)  (Zip Code)
Registrant’s telephone number, including area code:(503)226-4211Registrant’s telephone number, including area code:(503)226-4211
Securities registered pursuant to Section 12(b) of the Act:
RegistrantTitle of each classTrading Symbol
Name of each exchange
on which registered
Northwest Natural Holding CompanyCommon StockNWNNew York Stock Exchange
Northwest Natural Gas CompanyNone
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Northwest Natural Holding CompanyEmerging growth company
Northwest Natural Gas CompanyEmerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 8.01Other Events

On December 17, 2021, NW Natural filed a request for a general rate increase with the Public Utility Commission of Oregon (OPUC).

The filing includes a requested $73.5 million annual revenue requirement increase based upon the following assumptions or requests:

Capital structure of 50% long-term debt and 50% equity;
Return on equity of 9.5%;
Cost of capital of 6.886%; and
Average rate base of $1.73 billion.

The filing includes an increase in average rate base of $294 million compared to the last rate case due to several long-planned investments by NW Natural including the following:

Upgrading technology including our enterprise resource planning system, cybersecurity and other critical technology systems;
Supporting distribution system reinforcement and expansion as well as enhancing the resilience of our operating facilities and systems; and
Investing in components of our Mist storage facility, which provides service during peak winter heating months.

The filing requests an additional incremental revenue amount of $8.4 million primarily related to a renewable natural gas investment and technology upgrades and expenses, including cybersecurity items, that are not considered in NW Natural's annual revenue requirement.

NW Natural’s filing will be reviewed by the OPUC and other stakeholders. The process is anticipated to take up to 10 months with new rates expected to take effect November 1, 2022.

Forward-Looking Statements

This report, and other presentations made by NW Holdings or NW Natural from time to time, may contain forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by words such as "anticipates," "assumes," "intends," "plans," "seeks," "believes," "estimates," "expects," “will” and similar references to future periods. Examples of forward-looking statements include, but are not limited to, statements regarding the following: plans, objectives, assumptions, expectations, estimates, timing, goals, strategies, expenses, future events, investments, targeted capital structure, cost of capital, return on equity, rate base, financial results, financial position, revenue requirement, technology upgrades, cybersecurity, system reinforcement, expansion or reliability, customer growth, renewable natural gas, revenues and earnings, performance, timing, outcome, or effects of rate cases or other regulatory proceedings, mechanisms, approvals or recoveries, regulatory prudence reviews, anticipated regulatory actions or filings, and other statements that are other than statements of historical facts.

Forward-looking statements are based on our current expectations and assumptions regarding our business, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Actual results may differ materially from those contemplated by the forward-looking statements. You are therefore cautioned against relying on any of these forward-looking statements. They are neither statements of historical fact nor guarantees or assurances of future operational, economic or financial performance. Important factors that could cause actual results to differ materially from those in the forward-looking statements are discussed by reference to the factors described in Part I, Item 1A "Risk Factors", and Part II, Item 7 and Item 7A "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Quantitative and Qualitative Disclosure about Market Risk" in the most recent Annual Report on Form 10-K and in Part I, Items 2 and 3 "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Quantitative and Qualitative Disclosures About Market Risk", and Part II, Item 1A, "Risk Factors", in the quarterly reports filed thereafter of NW Holdings or NW Natural, as applicable.




All forward-looking statements made in this report and all subsequent forward-looking statements, whether written or oral and whether made by or on behalf of NW Holdings or NW Natural, are expressly qualified by these cautionary statements. Any forward-looking statement speaks only as of the date on which such statement is made, and NW Holdings and NW Natural undertake no obligation to publicly update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by law. New factors emerge from time to time and it is not possible to predict all such factors, nor can it assess the impact of each such factor or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statements.



SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, each Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. The signature for each undersigned company shall be deemed to relate only to matters having reference to such company and its subsidiaries.

NORTHWEST NATURAL HOLDING COMPANY
(Registrant)
Dated:December 20, 2021/s/ Shawn M. Filippi
Vice President, Chief Compliance Officer and
Corporate Secretary
NORTHWEST NATURAL GAS COMPANY
(Registrant)
Dated:December 20, 2021/s/ Shawn M. Filippi
Vice President, Chief Compliance Officer and
Corporate Secretary