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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000072909-24-000004
Filing Date
2024-02-21
Accepted
2024-02-21 15:42:15
Documents
96
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nspw-20231231.htm   iXBRL 10-K 1955469
2 EX-23.01 nspwex2301q42023.htm EX-23.01 2846
3 EX-31.01 nspwex3101q42023.htm EX-31.01 9729
4 EX-31.02 nspwex3102q42023.htm EX-31.02 9745
5 EX-32.01 nspwex3201q42023.htm EX-32.01 6866
11 nspw-20231231_g1.jpg GRAPHIC 185903
12 nspw-20231231_g2.jpg GRAPHIC 15022
13 nspw-20231231_g3.jpg GRAPHIC 68984
  Complete submission text file 0000072909-24-000004.txt   12362521

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nspw-20231231.xsd EX-101.SCH 94261
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nspw-20231231_cal.xml EX-101.CAL 71031
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nspw-20231231_def.xml EX-101.DEF 529281
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nspw-20231231_lab.xml EX-101.LAB 1023266
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nspw-20231231_pre.xml EX-101.PRE 731053
98 EXTRACTED XBRL INSTANCE DOCUMENT nspw-20231231_htm.xml XML 2022277
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)

IRS No.: 390508315 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03140 | Film No.: 24659140
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)