# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-25-268567
Filing Date
2025-11-06
Accepted
2025-11-06 11:57:57
Documents
82
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | bkh-20250930.htm iXBRL | 10-Q | 5092024
2 | EX-3.2 | bkh-ex3_2.htm | EX-3.2 | 159613
3 | EX-31.1 | bkh-ex31_1.htm | EX-31.1 | 18373
4 | EX-31.2 | bkh-ex31_2.htm | EX-31.2 | 18257
5 | EX-32.1 | bkh-ex32_1.htm | EX-32.1 | 13214
6 | EX-32.2 | bkh-ex32_2.htm | EX-32.2 | 13241
7 | EX-95 | bkh-ex95.htm | EX-95 | 25607
| Complete submission text file | 0001193125-25-268567.txt |  | 17615787

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
8 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | bkh-20250930.xsd | EX-101.SCH | 1655027
84 | EXTRACTED XBRL INSTANCE DOCUMENT | bkh-20250930_htm.xml | XML | 4050519

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: 10-Q | Act: 34 | File No.: 001-31303 | Film No.: 251456997
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)