Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001123852-22-000004
Filing Date
2022-02-23
Accepted
2022-02-23 15:40:28
Documents
118
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nspm-20211231.htm   iXBRL 10-K 4400386
2 EX-23.01 nspmex2301q42021.htm EX-23.01 2895
3 EX-31.01 nspmex3101q42021.htm EX-31.01 9868
4 EX-31.02 nspmex3102q42021.htm EX-31.02 9884
5 EX-32.01 nspmex3201q42021.htm EX-32.01 7041
11 nspm-20211231_g1.jpg GRAPHIC 124712
12 nspm-20211231_g10.jpg GRAPHIC 20252
13 nspm-20211231_g2.jpg GRAPHIC 23258
14 nspm-20211231_g3.jpg GRAPHIC 21368
15 nspm-20211231_g4.jpg GRAPHIC 20384
16 nspm-20211231_g5.jpg GRAPHIC 14956
17 nspm-20211231_g6.jpg GRAPHIC 17777
18 nspm-20211231_g7.jpg GRAPHIC 20145
19 nspm-20211231_g8.jpg GRAPHIC 21606
20 nspm-20211231_g9.jpg GRAPHIC 22370
  Complete submission text file 0001123852-22-000004.txt   22044414

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nspm-20211231.xsd EX-101.SCH 119280
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nspm-20211231_cal.xml EX-101.CAL 81161
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nspm-20211231_def.xml EX-101.DEF 645517
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nspm-20211231_lab.xml EX-101.LAB 1318724
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nspm-20211231_pre.xml EX-101.PRE 889721
112 EXTRACTED XBRL INSTANCE DOCUMENT nspm-20211231_htm.xml XML 5488818
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.: 22663111
SIC: 4931 Electric & Other Services Combined