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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000072909-21-000006
Filing Date
2021-02-17
Accepted
2021-02-17 16:06:52
Documents
104
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nspw-20201231.htm   iXBRL 10-K 2591606
2 EX-23.01 nspwex2301q42020.htm EX-23.01 3229
3 EX-31.01 nspwex3101q42020.htm EX-31.01 9601
4 EX-31.02 nspwex3102q42020.htm EX-31.02 9641
5 EX-32.01 nspwex3201q42020.htm EX-32.01 6795
11 GRAPHIC nspw-20201231_g1.jpg GRAPHIC 185903
12 GRAPHIC nspw-20201231_g10.jpg GRAPHIC 21133
13 GRAPHIC nspw-20201231_g2.jpg GRAPHIC 19755
14 GRAPHIC nspw-20201231_g3.jpg GRAPHIC 21004
15 GRAPHIC nspw-20201231_g4.jpg GRAPHIC 20265
16 GRAPHIC nspw-20201231_g5.jpg GRAPHIC 15476
17 GRAPHIC nspw-20201231_g6.jpg GRAPHIC 19016
18 GRAPHIC nspw-20201231_g7.jpg GRAPHIC 21909
19 GRAPHIC nspw-20201231_g8.jpg GRAPHIC 22749
20 GRAPHIC nspw-20201231_g9.jpg GRAPHIC 24438
  Complete submission text file 0000072909-21-000006.txt   13984823

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nspw-20201231.xsd EX-101.SCH 90712
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nspw-20201231_cal.xml EX-101.CAL 102947
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nspw-20201231_def.xml EX-101.DEF 482124
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nspw-20201231_lab.xml EX-101.LAB 986479
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nspw-20201231_pre.xml EX-101.PRE 691382
21 EXTRACTED XBRL INSTANCE DOCUMENT nspw-20201231_htm.xml XML 2773268
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.: 21644766
SIC: 4931 Electric & Other Services Combined