SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000073088-19-000023
Filing Date
2019-02-12
Accepted
2019-02-11 18:37:26
Documents
131
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K 2018 nwe1231201810k.htm 10-K 3420532
2 EXHIBIT 21 SUBSIDIARIES 10-K 2018 exhibit21subsidiaries10k20.htm EX-21 8310
3 EXHIBIT 23.1 AUDITOR CONSENT exhibit231consent10k2018.htm EX-23.1 4873
4 EXHIBIT 31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER exhibit311certification10k.htm EX-31.1 13336
5 EXHIBIT 31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER exhibit312certification10k.htm EX-31.2 12925
6 EXHIBIT 32.1 CERTIFICATION OF ROBERT C. ROWE PURSUANT TO SECTION 906 exhibit321certification10k.htm EX-32.1 6646
7 EXHIBIT 32.2 CERTIFICATION OF BRIAN B. BIRD PURSUANT TO SECTION 906 exhibit322certification10k.htm EX-32.2 6610
14 a2018electricgeneration.jpg GRAPHIC 69967
15 genfacilimtmap18.jpg GRAPHIC 80122
16 logoa12.jpg GRAPHIC 252371
17 mt2018elecgenportfolioa01.jpg GRAPHIC 87373
18 regulated5yearforecast2018.jpg GRAPHIC 84635
19 sd2018electgenportfolio.jpg GRAPHIC 67706
20 sdmapa01.jpg GRAPHIC 57591
21 serviceterritorymap2018.jpg GRAPHIC 88561
  Complete submission text file 0000073088-19-000023.txt   17787646

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT nwe-20181231.xml EX-101.INS 4105698
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwe-20181231.xsd EX-101.SCH 91231
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwe-20181231_cal.xml EX-101.CAL 153344
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwe-20181231_def.xml EX-101.DEF 736519
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwe-20181231_lab.xml EX-101.LAB 1282157
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwe-20181231_pre.xml EX-101.PRE 854679
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.: 19587050
SIC: 4931 Electric & Other Services Combined