# EDGAR Filing Document

**Accession Number:** 0001130464
**File Stem:** 0001193125-26-113969
**Filing Date:** 2026-3
**Character Count:** 1294
**Document Hash:** 5d039c4ca34e12606e715688171495f2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-113969.hdr.sgml**: 20260318

**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

### Attached PDF Documents

**Attachment 1:** `2025_bkh_annual_report.pdf`

_No text found in this document._