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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001733998-21-000010
Filing Date
2021-05-05
Accepted
2021-05-05 14:03:11
Documents
91
Period of Report
2021-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q nwn-20210331.htm   iXBRL 10-Q 2914627
2 EX-31.1 ex3112021q1.htm EX-31.1 8167
3 EX-31.2 ex3122021q1.htm EX-31.2 8303
4 EX-31.3 ex3132021q1.htm EX-31.3 8173
5 EX-31.4 ex3142021q1.htm EX-31.4 8281
6 EX-32.1 ex3212021q1.htm EX-32.1 5785
7 EX-32.2 ex3222021q1.htm EX-32.2 5803
13 nwn-20210331_g1.jpg GRAPHIC 57055
14 nwn-20210331_g2.jpg GRAPHIC 38736
  Complete submission text file 0001733998-21-000010.txt   12847125

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20210331.xsd EX-101.SCH 65074
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwn-20210331_cal.xml EX-101.CAL 146844
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwn-20210331_def.xml EX-101.DEF 567898
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20210331_lab.xml EX-101.LAB 835886
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20210331_pre.xml EX-101.PRE 621900
15 EXTRACTED XBRL INSTANCE DOCUMENT nwn-20210331_htm.xml XML 2567940
Mailing Address 250 SW TAYLOR STREET PORTLAND OR 97204
Business Address 250 SW TAYLOR STREET PORTLAND OR 97204 5032264211
NORTHWEST NATURAL GAS CO (Filer) CIK: 0000073020 (see all company filings)

IRS No.: 930256722 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-15973 | Film No.: 21892537
SIC: 4924 Natural Gas Distribution

Mailing Address 250 SW TAYLOR STREET PORTLAND OR 97204
Business Address 250 SW TAYLOR STREET PORTLAND OR 97204 503-226-4211
Northwest Natural Holding Co (Filer) CIK: 0001733998 (see all company filings)

IRS No.: 824710680 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-38681 | Film No.: 21892536
SIC: 4924 Natural Gas Distribution