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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000073088-18-000022
Filing Date
2018-02-13
Accepted
2018-02-12 18:29:47
Documents
123
Period of Report
2017-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K 2017 nwe1231201710k.htm 10-K 3325546
2 EXHIBIT 12.1 EARNINGS TO FIXED CHARGES 2017 exhibit121earningstofixedc.htm EX-12.. 52940
3 EXHIBIT 21 SUBSIDIARIES 10-K 2017 exhibit21subsidiaries10k20.htm EX-21 7887
4 EXHIBIT 23.1 AUDITOR CONSENT exhibit231consent10k2017.htm EX-23.1 4633
5 EXHIBIT 31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER exhibit311certification10k.htm EX-31.1 13951
6 EXHIBIT 31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER exhibit312certification10k.htm EX-31.2 13507
7 EXHIBIT 32.1 CERTIFICATION OF ROBERT C. ROWE PURSUANT TO SECTION 906 exhibit321certification10k.htm EX-32.1 7260
8 EXHIBIT 32.2 CERTIFICATION OF BRIAN B. BIRD PURSUANT TO SECTION 906 exhibit322certification10k.htm EX-32.2 6899
15 a2017electricgenerationa01.jpg GRAPHIC 62795
16 logoa10.jpg GRAPHIC 252371
17 GRAPHIC montanagenerationfacilities.jpg GRAPHIC 75478
18 mt2017electricgen.jpg GRAPHIC 78633
19 regulatedutility5tear.jpg GRAPHIC 89512
20 sd2017electricgen.jpg GRAPHIC 61008
21 sdmap.jpg GRAPHIC 57591
22 serviceterritorymap2017a02.jpg GRAPHIC 1307077
23 typicalbill.jpg GRAPHIC 61143
  Complete submission text file 0000073088-18-000022.txt   18464627

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT nwe-20171231.xml EX-101.INS 3851992
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwe-20171231.xsd EX-101.SCH 83376
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwe-20171231_cal.xml EX-101.CAL 143856
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwe-20171231_def.xml EX-101.DEF 669482
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwe-20171231_lab.xml EX-101.LAB 1185857
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwe-20171231_pre.xml EX-101.PRE 781897
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.: 18598457
SIC: 4931 Electric & Other Services Combined
Assistant Director 2