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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001733998-19-000004
Filing Date
2019-03-01
Accepted
2019-03-01 17:23:38
Documents
122
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 10-K form10-k2018.htm 10-K 4724589
2 EXHIBIT 10.CC a10cc_rsuagreement2019.htm EX-10.CC 84833
3 EXHIBIT 10.II a10ii_directorrsuagreement.htm EX-10.II 36366
4 EXHIBIT 10.L a10l_nwnaturalgasindemnity.htm EX-10.L 52824
5 EXHIBIT 10.M a10m_nwholdingindemnityagr.htm EX-10.M 57600
6 EXHIBIT 10.Q a10q_executiveannualincent.htm EX-10.Q 70099
7 EXHIBIT 10.SS a10ss_2019nwngsnbuaipplan.htm EX-10.SS 16582
8 EXHIBIT 10.Z a10z_pspawardagreement2019.htm EX-10.Z 78650
9 EXHIBIT 21 ex2112312018.htm EX-21 31894
10 EXHIBIT 23.A ex23consentofpublicaccount.htm EX-23.A 2536
11 EXHIBIT 23.B ex23bconsentofpublicaccoun.htm EX-23.B 2222
12 EXHIBIT 31.A ex31aq42018_da.htm EX-31.A 8806
13 EXHIBIT 31.B ex31bq42018_fb.htm EX-31.B 8961
14 EXHIBIT 31.C ex31cq42018_da.htm EX-31.C 8937
15 EXHIBIT 31.D ex31dq42018_fb.htm EX-31.D 8967
16 EXHIBIT 32.A ex32aq42018_dafb.htm EX-32.A 5659
17 EXHIBIT 32.B ex32bq42018_dafb.htm EX-32.B 5802
24 nwn4chz.jpg GRAPHIC 38736
25 nwnholdingshza01.jpg GRAPHIC 57055
  Complete submission text file 0001733998-19-000004.txt   22873615

Data Files

Seq Description Document Type Size
18 XBRL INSTANCE DOCUMENT nwn-20181231.xml EX-101.INS 5782976
19 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwn-20181231.xsd EX-101.SCH 108074
20 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwn-20181231_cal.xml EX-101.CAL 156764
21 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwn-20181231_def.xml EX-101.DEF 873247
22 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwn-20181231_lab.xml EX-101.LAB 1424187
23 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwn-20181231_pre.xml EX-101.PRE 981278
Mailing Address 220 NW SECOND AVENUE PORTLAND OR 97209
Business Address ONE PACIFIC SQUARE 220 NW SECOND AVE PORTLAND OR 97209 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-K | Act: 34 | File No.: 001-15973 | Film No.: 19650774
SIC: 4924 Natural Gas Distribution

Mailing Address 220 NW SECOND AVENUE PORTLAND OR 97209
Business Address 220 NW SECOND AVENUE PORTLAND OR 97209 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-K | Act: 34 | File No.: 001-38681 | Film No.: 19650775
SIC: 4924 Natural Gas Distribution