Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-10-010988
Filing Date
2010-03-01
Accepted
2010-03-01 17:24:56
Documents
7
Period of Report
2009-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a09-35789_110k.htm 10-K 2938879
2 EX-12.01 a09-35789_1ex12d01.htm EX-12.01 42565
3 EX-23.01 a09-35789_1ex23d01.htm EX-23.01 3743
4 EX-31.01 a09-35789_1ex31d01.htm EX-31.01 12515
5 EX-31.02 a09-35789_1ex31d02.htm EX-31.02 12527
6 EX-32.01 a09-35789_1ex32d01.htm EX-32.01 8379
7 EX-99.01 a09-35789_1ex99d01.htm EX-99.01 12759
  Complete submission text file 0001104659-10-010988.txt   3032759
Mailing Address 414 NICOLLET MALL MINNEAPOLIS MN 55401
Business Address 414 NICOLLET MALL MINNEAPOLIS MN 55401 6123305500
NORTHERN STATES POWER CO (Filer) CIK: 0001123852 (see all company filings)

EIN.: 411967505 | State of Incorp.: MN | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-31387 | Film No.: 10646168
SIC: 4931 Electric & Other Services Combined