# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-015090
Filing Date
2024-02-14
Accepted
2024-02-14 13:10:54
Documents
135
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | bkh-20231231.htm iXBRL | 10-K | 5986028
2 | EX-10.30 | bkh-ex10_30.htm | EX-10.30 | 70560
3 | EX-10.31 | bkh-ex10_31.htm | EX-10.31 | 118299
4 | EX-19 | bkh-ex19.htm | EX-19 | 122260
5 | EX-21 | bkh-ex21.htm | EX-21 | 44869
6 | EX-23.1 | bkh-ex23_1.htm | EX-23.1 | 3340
7 | EX-31.1 | bkh-ex31_1.htm | EX-31.1 | 27450
8 | EX-31.2 | bkh-ex31_2.htm | EX-31.2 | 27435
9 | EX-32.1 | bkh-ex32_1.htm | EX-32.1 | 12953
10 | EX-32.2 | bkh-ex32_2.htm | EX-32.2 | 13025
11 | EX-95 | bkh-ex95.htm | EX-95 | 27354
12 | EX-97 | bkh-ex97.htm | EX-97 | 54693
13 | GRAPHIC | img127515986_0.jpg | GRAPHIC | 75652
14 | GRAPHIC | img148071052_0.jpg | GRAPHIC | 96039
15 | GRAPHIC | img168765276_0.jpg | GRAPHIC | 75652
| Complete submission text file | 0000950170-24-015090.txt |  | 25299148

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
16 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | bkh-20231231.xsd | EX-101.SCH | 2807822
137 | EXTRACTED XBRL INSTANCE DOCUMENT | bkh-20231231_htm.xml | XML | 5771963

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-K | Act: 34 | File No.: 001-31303 | Film No.: 24635353
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)