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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000073088-20-000030
Filing Date
2020-02-13
Accepted
2020-02-12 18:44:36
Documents
130
Period of Report
2019-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nwe1231201910k.htm   iXBRL 10-K 4086381
2 EXHIBIT 4.1(X) DESCRIPTION OF CAPITAL STOCK exhibit41xdescription.htm EX-4.1(X) 21736
3 EXHIBIT 21 SUBSIDIARIES 10-K 2019 exhibit21subsidiaries10k2019.htm EX-21 8323
4 EXHIBIT 23.1 AUDITOR CONSENT exhibit231consent10k2019.htm EX-23.1 4884
5 EXHIBIT 31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER exhibit311certification2019.htm EX-31.1 13348
6 EXHIBIT 31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER exhibit312certification2019.htm EX-31.2 12937
7 EXHIBIT 32.1 CERTIFICATION OF ROBERT C. ROWE PURSUANT TO SECTION 906 exhibit321certification2019.htm EX-32.1 6658
8 EXHIBIT 32.2 CERTIFICATION OF BRIAN B. BIRD PURSUANT TO SECTION 906 exhibit322certification2019.htm EX-32.2 6622
14 electricgenerationa04.jpg GRAPHIC 84158
15 logoa18.jpg GRAPHIC 123972
16 mtelectricgenerationa03.jpg GRAPHIC 100881
17 mtgenerationfacilities.jpg GRAPHIC 63326
18 regulated5yearforecast20191.jpg GRAPHIC 60662
19 sdelectricgenerationa02.jpg GRAPHIC 62833
20 sdgenerationfacilities.jpg GRAPHIC 47153
21 serviceterritory.jpg GRAPHIC 70517
  Complete submission text file 0000073088-20-000030.txt   19879452

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwe-20191231.xsd EX-101.SCH 93137
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwe-20191231_cal.xml EX-101.CAL 154996
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwe-20191231_def.xml EX-101.DEF 694756
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwe-20191231_lab.xml EX-101.LAB 1266500
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwe-20191231_pre.xml EX-101.PRE 830544
48 EXTRACTED XBRL INSTANCE DOCUMENT nwe1231201910k_htm.xml XML 4166581
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Filer) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-10499 | Film No.: 20606224
SIC: 4931 Electric & Other Services Combined