Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000072909-25-000004
Filing Date
2025-02-27
Accepted
2025-02-27 16:17:50
Documents
94
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nspw-20241231.htm   iXBRL 10-K 2033514
2 EX-10.08 exhibit1008.htm EX-10.08 10670
3 EX-10.25 exhibit1025formofrsuawarda.htm EX-10.25 51260
4 EX-10.26 exhibit1026formofpsuawarda.htm EX-10.26 54894
5 EX-10.30 exhibit1030.htm EX-10.30 76234
6 EX-23.01 nspwex2301q42024.htm EX-23.01 2769
7 EX-31.01 nspwex3101q42024.htm EX-31.01 9729
8 EX-31.02 nspwex3102q42024.htm EX-31.02 9745
9 EX-32.01 nspwex3201q42024.htm EX-32.01 6866
15 nspw-20241231_g1.jpg GRAPHIC 192637
16 nspw-20241231_g2.jpg GRAPHIC 13758
17 nspw-20241231_g3.jpg GRAPHIC 143247
  Complete submission text file 0000072909-25-000004.txt   13342769

Data Files

Seq Description Document Type Size
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13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nspw-20241231_lab.xml EX-101.LAB 1039860
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nspw-20241231_pre.xml EX-101.PRE 777714
97 EXTRACTED XBRL INSTANCE DOCUMENT nspw-20241231_htm.xml XML 2155391
Mailing Address P O BOX 8 EAU CLAIRE WI 54702-008
Business Address 1414 W HAMILTON AVE EAU CLAIRE WI 54702 7158392621
NORTHERN STATES POWER CO /WI/ (Filer) CIK: 0000072909 (see all company filings)

EIN.: 390508315 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03140 | Film No.: 25679081
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)