Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001193125-26-113969
Filing Date
2026-03-18
Accepted
2026-03-18 16:10:56
Documents
1
Period of Report
2025-12-31
Effectiveness Date
2026-03-18

Document Format Files

Seq Description Document Type Size
1 ARS 2025_bkh_annual_report.pdf ARS 1976490
  Complete submission text file 0001193125-26-113969.txt   2720931
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: ARS | Act: 34 | File No.: 001-31303 | Film No.: 26769068
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)