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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001130464-22-000004
Filing Date
2022-02-15
Accepted
2022-02-15 13:30:40
Documents
148
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K bkh-20211231.htm   iXBRL 10-K 4827687
2 EX-10.25 bkhex-1025nonxemployeedire.htm EX-10.25 36434
3 EX-10.26 bkhex-1026nonxemployeedire.htm EX-10.26 34031
4 EX-21 bkhex-21listofsubs2021.htm EX-21 28399
5 EX-23.1 bkhex-231auditconsent2021.htm EX-23.1 2277
6 EX-31.1 bkhex-311ceo122021.htm EX-31.1 13339
7 EX-31.2 bkhex-312cfo122021.htm EX-31.2 13277
8 EX-32.1 bkhex-321ceo122021.htm EX-32.1 6401
9 EX-32.2 bkhex-322cfo122021.htm EX-32.2 6460
10 EX-95 bkhex-95minesafetydata1220.htm EX-95 19079
16 bkh-20211231_g1.jpg GRAPHIC 96959
  Complete submission text file 0001130464-22-000004.txt   21621504

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT bkh-20211231.xsd EX-101.SCH 120930
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT bkh-20211231_cal.xml EX-101.CAL 102216
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT bkh-20211231_def.xml EX-101.DEF 801448
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT bkh-20211231_lab.xml EX-101.LAB 1368270
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT bkh-20211231_pre.xml EX-101.PRE 1064071
142 EXTRACTED XBRL INSTANCE DOCUMENT bkh-20211231_htm.xml XML 4663707
Mailing Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID SD 57709
Business Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID CITY SD 57709 6057212343
BLACK HILLS CORP /SD/ (Filer) CIK: 0001130464 (see all company filings)

IRS No.: 460458824 | State of Incorp.: SD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-31303 | Film No.: 22638379
SIC: 4911 Electric Services