SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000073088-21-000080
Filing Date
2021-04-01
Accepted
2021-04-01 12:02:47
Documents
16
Period of Report
2021-03-26
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K nwe-20210326.htm   iXBRL 8-K 49101
2 EX-4.1 MT 41ST SUPPLEMENTAL INDENTURE exhibit41montana41stsupple.htm EX-4.1 242008
8 nwe-20210326_g1.jpg GRAPHIC 77538
  Complete submission text file 0000073088-21-000080.txt   682812

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nwe-20210326.xsd EX-101.SCH 2545
4 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nwe-20210326_cal.xml EX-101.CAL 822
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nwe-20210326_def.xml EX-101.DEF 1786
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nwe-20210326_lab.xml EX-101.LAB 24275
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nwe-20210326_pre.xml EX-101.PRE 12758
9 EXTRACTED XBRL INSTANCE DOCUMENT nwe-20210326_htm.xml XML 16093
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: 8-K | Act: 34 | File No.: 001-10499 | Film No.: 21796912
SIC: 4931 Electric & Other Services Combined