# Filing Detail

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

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | nwe-20260429.htm iXBRL | 8-K | 37113
2 | EX-99.1 EARNINGS RELEASE Q1 2026 | ex991pressreleaseq12026.htm | EX-99.1 | 296687
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
8 |  | exh992annmtgpres26001.jpg | GRAPHIC | 106269
9 |  | exh992annmtgpres26002.jpg | GRAPHIC | 132733
10 |  | exh992annmtgpres26003.jpg | GRAPHIC | 132175
11 |  | exh992annmtgpres26004.jpg | GRAPHIC | 126453
12 |  | exh992annmtgpres26005.jpg | GRAPHIC | 134664
13 |  | exh992annmtgpres26006.jpg | GRAPHIC | 70406
14 |  | exh992annmtgpres26007.jpg | GRAPHIC | 106802
15 |  | exh992annmtgpres26008.jpg | GRAPHIC | 48682
16 |  | exh992annmtgpres26009.jpg | GRAPHIC | 116269
17 |  | exh992annmtgpres26010.jpg | GRAPHIC | 52205
18 |  | exh992annmtgpres26011.jpg | GRAPHIC | 254624
19 |  | exh992annmtgpres26012.jpg | GRAPHIC | 112472
20 |  | exh992annmtgpres26013.jpg | GRAPHIC | 165861
21 |  | exh992annmtgpres26014.jpg | GRAPHIC | 104022
22 |  | exh992annmtgpres26015.jpg | GRAPHIC | 112595
23 |  | exh992annmtgpres26016.jpg | GRAPHIC | 94086
24 |  | exh992annmtgpres26017.jpg | GRAPHIC | 184979
25 |  | exh992annmtgpres26018.jpg | GRAPHIC | 150547
26 |  | exh992annmtgpres26019.jpg | GRAPHIC | 108049
27 |  | exh992annmtgpres26020.jpg | GRAPHIC | 178666
28 |  | exh992annmtgpres26021.jpg | GRAPHIC | 116235
29 |  | exh992annmtgpres26022.jpg | GRAPHIC | 117906
30 |  | exh992annmtgpres26023.jpg | GRAPHIC | 127619
31 |  | exh992annmtgpres26024.jpg | GRAPHIC | 113160
32 |  | exh992annmtgpres26025.jpg | GRAPHIC | 65266
33 |  | exh992annmtgpres26026.jpg | GRAPHIC | 51572
34 |  | exh993earnpres26q1001.jpg | GRAPHIC | 114640
35 |  | exh993earnpres26q1002.jpg | GRAPHIC | 278569
36 |  | exh993earnpres26q1003.jpg | GRAPHIC | 111763
37 |  | exh993earnpres26q1004.jpg | GRAPHIC | 161399
38 |  | exh993earnpres26q1005.jpg | GRAPHIC | 39438
39 |  | exh993earnpres26q1006.jpg | GRAPHIC | 123943
40 |  | exh993earnpres26q1007.jpg | GRAPHIC | 83699
41 |  | exh993earnpres26q1008.jpg | GRAPHIC | 114069
42 |  | exh993earnpres26q1009.jpg | GRAPHIC | 104507
43 |  | exh993earnpres26q1010.jpg | GRAPHIC | 185405
44 |  | exh993earnpres26q1011.jpg | GRAPHIC | 131169
45 |  | exh993earnpres26q1012.jpg | GRAPHIC | 114820
46 |  | exh993earnpres26q1013.jpg | GRAPHIC | 34197
47 |  | exh993earnpres26q1014.jpg | GRAPHIC | 177661
48 |  | exh993earnpres26q1015.jpg | GRAPHIC | 150539
49 |  | exh993earnpres26q1016.jpg | GRAPHIC | 142503
50 |  | exh993earnpres26q1017.jpg | GRAPHIC | 107943
51 |  | exh993earnpres26q1018.jpg | GRAPHIC | 138845
52 |  | exh993earnpres26q1019.jpg | GRAPHIC | 174735
53 |  | exh993earnpres26q1020.jpg | GRAPHIC | 108832
54 |  | exh993earnpres26q1021.jpg | GRAPHIC | 137829
55 |  | exh993earnpres26q1022.jpg | GRAPHIC | 29860
56 |  | exh993earnpres26q1023.jpg | GRAPHIC | 173753
57 |  | exh993earnpres26q1024.jpg | GRAPHIC | 125102
58 |  | exh993earnpres26q1025.jpg | GRAPHIC | 130747
59 |  | exh993earnpres26q1026.jpg | GRAPHIC | 154228
60 |  | exh993earnpres26q1027.jpg | GRAPHIC | 73235
61 |  | exh993earnpres26q1028.jpg | GRAPHIC | 109382
62 |  | exh993earnpres26q1029.jpg | GRAPHIC | 127881
63 |  | exh993earnpres26q1030.jpg | GRAPHIC | 143935
64 |  | exh993earnpres26q1031.jpg | GRAPHIC | 143778
65 |  | exh993earnpres26q1032.jpg | GRAPHIC | 157513
66 |  | exh993earnpres26q1033.jpg | GRAPHIC | 116596
67 |  | exh993earnpres26q1034.jpg | GRAPHIC | 156591
68 |  | exh993earnpres26q1035.jpg | GRAPHIC | 122609
69 |  | exh993earnpres26q1036.jpg | GRAPHIC | 127712
70 |  | exh993earnpres26q1037.jpg | GRAPHIC | 132114
71 |  | exh993earnpres26q1038.jpg | GRAPHIC | 205040
72 |  | exh993earnpres26q1039.jpg | GRAPHIC | 278651
73 |  | exh993earnpres26q1040.jpg | GRAPHIC | 51539
74 |  | nwe-20260429_g1.jpg | GRAPHIC | 77538
75 |  | nweenergylogocurrenta33.jpg | GRAPHIC | 77538
| Complete submission text file | 0001993004-26-000031.txt |  | 12463597

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | nwe-20260429.xsd | EX-101.SCH | 1909
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | nwe-20260429_lab.xml | EX-101.LAB | 21885
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | nwe-20260429_pre.xml | EX-101.PRE | 12622
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)