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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001993004-24-000006
Filing Date
2024-02-15
Accepted
2024-02-14 19:42:10
Documents
133
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nweg-20231231.htm   iXBRL 10-K 3280258
2 EX-10.1A NORTHWESTERN CORPORATION OFFICERS DEFERRED COMPENSATION PLAN exhibit101aofficersdeferre.htm EX-10.1A 220643
3 EX-21 SUBSIDIARIES 10-K 2023 exhibit21subsidiaries2023.htm EX-21 7385
4 EX-23 AUDITOR CONSENT exhibit23consent10k2023.htm EX-23 3066
5 EX-31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER exhibit311certification2023.htm EX-31.1 10358
6 EX-31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER exhibit312certification2023.htm EX-31.2 10106
7 EX-32.1 CERTIFICATION BRIAN B. BIRD PURSUANT TO SECTION 906 exhibit321certification2023.htm EX-32.1 4751
8 EX-32.2 CERTIFICATION OF CRYSTAL LAIL PURSUANT TO SECTION 906 exhibit322certification2023.htm EX-32.2 4756
9 EX-97 POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION exhibit97policyfortherecov.htm EX-97 49880
15 NWE LOGO nweg-20231231_g1.jpg GRAPHIC 123972
16 nweg-20231231_g2.jpg GRAPHIC 52338
17 nweg-20231231_g3.jpg GRAPHIC 57226
18 nweg-20231231_g4.jpg GRAPHIC 1822312
19 nweg-20231231_g5.jpg GRAPHIC 29717
20 nweg-20231231_g6.jpg GRAPHIC 123899
  Complete submission text file 0001993004-24-000006.txt   22811731

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nweg-20231231.xsd EX-101.SCH 101246
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nweg-20231231_cal.xml EX-101.CAL 131641
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nweg-20231231_def.xml EX-101.DEF 732497
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nweg-20231231_lab.xml EX-101.LAB 1299875
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nweg-20231231_pre.xml EX-101.PRE 946535
135 EXTRACTED XBRL INSTANCE DOCUMENT nweg-20231231_htm.xml XML 3164160
Mailing Address 3010 WEST 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 WEST 69TH STREET SIOUX FALLS SD 57108 605-978-2900
NorthWestern Energy Group, Inc. (Filer) CIK: 0001993004 (see all company filings)

IRS No.: 932020320 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-56598 | Film No.: 24641518
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)