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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000073088-23-000141
Filing Date
2023-09-13
Accepted
2023-09-13 10:43:52
Documents
90
Period of Report
2023-09-13
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

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1 8-K nwe-20230913.htm   iXBRL 8-K 29352
2 EX-99.1 INVESTOR UPDATE PRES SEPT 2023 exh991pressept23.htm EX-99.1 78262
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  Complete submission text file 0000073088-23-000141.txt   18194973

Data Files

Seq Description Document Type Size
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84 EXTRACTED XBRL INSTANCE DOCUMENT nwe-20230913_htm.xml XML 2785
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.: 231251815
SIC: 4931 Electric & Other Services Combined