Form 8-K - Current report:
SEC Accession No. 0001993004-26-000031
Filing Date
2026-04-30
Accepted
2026-04-30 11:19:03
Documents
82
Period of Report
2026-04-29
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

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3 EX-99.2 ANNUAL MEETING PRESENTATION 2026 exh992annmtgpres26.htm EX-99.2 30358
4 EX-99.3 EARNINGS PRESENTATION Q1 2026 exh993earnpres26q1.htm EX-99.3 56754
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  Complete submission text file 0001993004-26-000031.txt   12463597

Data Files

Seq Description Document Type Size
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85 EXTRACTED XBRL INSTANCE DOCUMENT nwe-20260429_htm.xml XML 2794
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)

EIN.: 932020320 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 000-56598 | Film No.: 26921494
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)