Form 11-K - Annual report of employee stock purchase, savings and similar plans:
SEC Accession No. 0001130464-21-000024
Filing Date
2021-06-22
Accepted
2021-06-22 17:08:38
Documents
2
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 11-K bkh11-k2020.htm 11-K 161633
2 EX-23 ex23bkh11-k2020.htm EX-23 2076
  Complete submission text file 0001130464-21-000024.txt   164818
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)

EIN.: 460458824 | State of Incorp.: SD | Fiscal Year End: 1231
Type: 11-K | Act: 34 | File No.: 001-31303 | Film No.: 211036151
SIC: 4911 Electric Services