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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-10-010985
Filing Date
2010-03-01
Accepted
2010-03-01 17:24:08
Documents
7
Period of Report
2009-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a09-35790_110k.htm 10-K 2202823
2 EX-12.01 a09-35790_1ex12d01.htm EX-12.01 43123
3 EX-23.01 a09-35790_1ex23d01.htm EX-23.01 3752
4 EX-31.01 a09-35790_1ex31d01.htm EX-31.01 12072
5 EX-31.02 a09-35790_1ex31d02.htm EX-31.02 12128
6 EX-32.01 a09-35790_1ex32d01.htm EX-32.01 9961
7 EX-99.01 a09-35790_1ex99d01.htm EX-99.01 11996
  Complete submission text file 0001104659-10-010985.txt   2297248
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.: 10646145
SIC: 4931 Electric & Other Services Combined