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. 0000073088-23-000028
Filing Date
2023-02-17
Accepted
2023-02-16 18:48:32
Documents
126
Period of Report
2022-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nwe-20221231.htm   iXBRL 10-K 4076273
2 EX-4.5 DESCRIPTION OF CAPITAL STOCK exhibit45descriptionofcapi.htm EX-4.5 21384
3 EX-21 SUBSIDIARIES 10-K 2022 exhibit21subsidiaries2022.htm EX-21 6160
4 EX-23 AUDITOR CONSENT exhibit23consent10k2022.htm EX-23 3187
5 EX-31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER exhibit311certification2022.htm EX-31.1 10453
6 EX-31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER exhibit312certification2022.htm EX-31.2 10201
7 EX-32.1 CERTIFICATION OF BRIAN B. BIRD PURSUANT TO SECTION 906 exhibit321certification2022.htm EX-32.1 4849
8 EX-32.2 CERTIFICATION OF CRYSTAL LAIL PURSUANT TO SECTION 906 exhibit322certification2022.htm EX-32.2 4852
14 nwe-20221231_g1.jpg GRAPHIC 123972
15 nwe-20221231_g2.jpg GRAPHIC 119437
16 nwe-20221231_g3.jpg GRAPHIC 85363
17 nwe-20221231_g4.jpg GRAPHIC 110391
18 nwe-20221231_g5.jpg GRAPHIC 84026
19 nwe-20221231_g6.jpg GRAPHIC 135012
  Complete submission text file 0000073088-23-000028.txt   19602172

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwe-20221231.xsd EX-101.SCH 97982
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwe-20221231_cal.xml EX-101.CAL 134743
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwe-20221231_def.xml EX-101.DEF 717000
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwe-20221231_lab.xml EX-101.LAB 1187287
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwe-20221231_pre.xml EX-101.PRE 870982
120 EXTRACTED XBRL INSTANCE DOCUMENT nwe-20221231_htm.xml XML 3840507
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.: 23639845
SIC: 4931 Electric & Other Services Combined