<SEC-DOCUMENT>0001733998-24-000002-index.html : 20240111 <SEC-HEADER>0001733998-24-000002.hdr.sgml : 20240111 <ACCEPTANCE-DATETIME>20240111160714 ACCESSION NUMBER: 0001733998-24-000002 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 15 CONFORMED PERIOD OF REPORT: 20240105 ITEM INFORMATION: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant FILED AS OF DATE: 20240111 DATE AS OF CHANGE: 20240111 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Northwest Natural Holding Co CENTRAL INDEX KEY: 0001733998 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] ORGANIZATION NAME: 01 Energy & Transportation IRS NUMBER: 824710680 STATE OF INCORPORATION: OR FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-38681 FILM NUMBER: 24529326 BUSINESS ADDRESS: STREET 1: 250 SW TAYLOR STREET CITY: PORTLAND STATE: OR ZIP: 97204 BUSINESS PHONE: 503-226-4211 MAIL ADDRESS: STREET 1: 250 SW TAYLOR STREET CITY: PORTLAND STATE: OR ZIP: 97204 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NORTHWEST NATURAL GAS CO CENTRAL INDEX KEY: 0000073020 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] ORGANIZATION NAME: 01 Energy & Transportation IRS NUMBER: 930256722 STATE OF INCORPORATION: OR FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15973 FILM NUMBER: 24529327 BUSINESS ADDRESS: STREET 1: 250 SW TAYLOR STREET CITY: PORTLAND STATE: OR ZIP: 97204 BUSINESS PHONE: 5032264211 MAIL ADDRESS: STREET 1: 250 SW TAYLOR STREET CITY: PORTLAND STATE: OR ZIP: 97204 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>nwn-20240105.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: nwn-20240105.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>2 <FILENAME>nwn-20240105.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 2 - file: nwn-20240105.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>3 <FILENAME>nwn-20240105_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT <TEXT> Document 3 - file: nwn-20240105_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>4 <FILENAME>nwn-20240105_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 4 - file: nwn-20240105_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>5 <FILENAME>nwn-20240105_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 5 - file: nwn-20240105_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>nwn-20240105_g1.jpg <TEXT> Document 6 - file: nwn-20240105_g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>nwn-20240105_g2.jpg <TEXT> Document 7 - file: nwn-20240105_g2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>8 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 8 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>9 <FILENAME>nwn-20240105_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: nwn-20240105_htm.html
Document 9 - RAW XML: nwn-20240105_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>10 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>13 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: FilingSummary.html
Document 13 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>15 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>16 <FILENAME>0001733998-24-000002-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: 0001733998-24-000002-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>