<SEC-DOCUMENT>0001193125-26-113969-index.html : 20260318 <SEC-HEADER>0001193125-26-113969.hdr.sgml : 20260318 <ACCEPTANCE-DATETIME>20260318161056 ACCESSION NUMBER: 0001193125-26-113969 CONFORMED SUBMISSION TYPE: ARS PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20251231 FILED AS OF DATE: 20260318 DATE AS OF CHANGE: 20260318 EFFECTIVENESS DATE: 20260318 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BLACK HILLS CORP /SD/ CENTRAL INDEX KEY: 0001130464 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] ORGANIZATION NAME: 01 Energy & Transportation EIN: 460458824 STATE OF INCORPORATION: SD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: ARS SEC ACT: 1934 Act SEC FILE NUMBER: 001-31303 FILM NUMBER: 26769068 BUSINESS ADDRESS: STREET 1: 7001 MT RUSHMORE RD STREET 2: PO BOX 1400 CITY: RAPID CITY STATE: SD ZIP: 57709 BUSINESS PHONE: 6057212343 MAIL ADDRESS: STREET 1: 7001 MT RUSHMORE RD STREET 2: PO BOX 1400 CITY: RAPID STATE: SD ZIP: 57709 FORMER COMPANY: FORMER CONFORMED NAME: BLACK HILLS HOLDING CORP DATE OF NAME CHANGE: 20001222 </SEC-HEADER> <DOCUMENT> <TYPE>ARS <SEQUENCE>1 <FILENAME>2025_bkh_annual_report.pdf <DESCRIPTION>ARS <TEXT> Document 1 - file: 2025_bkh_annual_report.pdf
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