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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001130464-21-000007
Filing Date
2021-02-26
Accepted
2021-02-26 13:26:58
Documents
161
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K bkh-20201231.htm   iXBRL 10-K 5378012
2 EX-10.7 bkhex-107amendedandrestate.htm EX-10.7 175467
3 EX-10.11 bkhex-1011restrictedstocka.htm EX-10.11 55405
4 EX-10.16 bkhex-1016stipawardagreeme.htm EX-10.16 69183
5 EX-10.17 bkhex-1017performanceunita.htm EX-10.17 116029
6 EX-21 bkhex-21listofsubs2020.htm EX-21 29277
7 EX-23.1 bkhex-231auditconsent2020.htm EX-23.1 2277
8 EX-31.1 bkhex-311ceo122020.htm EX-31.1 13361
9 EX-31.2 bkhex-312cfo122020.htm EX-31.2 13307
10 EX-32.1 bkhex-321ceo122020.htm EX-32.1 6392
11 EX-32.2 bkhex-322cfo122020.htm EX-32.2 6443
12 EX-95 bkhex-95minesafetydata1220.htm EX-95 19082
18 bkh-20201231_g1.jpg GRAPHIC 94970
  Complete submission text file 0001130464-21-000007.txt   24039490

Data Files

Seq Description Document Type Size
13 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT bkh-20201231.xsd EX-101.SCH 121572
14 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT bkh-20201231_cal.xml EX-101.CAL 165386
15 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT bkh-20201231_def.xml EX-101.DEF 866769
16 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT bkh-20201231_lab.xml EX-101.LAB 1406189
17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT bkh-20201231_pre.xml EX-101.PRE 1135302
19 EXTRACTED XBRL INSTANCE DOCUMENT bkh-20201231_htm.xml XML 5260676
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.: 21686780
SIC: 4911 Electric Services