---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-109815"
form_type: "8-K"
ticker: "BKH"
cik: "0001130464"
company_name: "BLACK HILLS CORP /SD/"
filed_at: "2021-08-26T23:59:59+00:00"
generated_at: "2026-06-29T07:28:41.085129+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Black Hills issues $600M of 1.037% Notes due 2024; proceeds to repay term loan

## Summary
- Issued $600M aggregate principal of 1.037% Notes due August 23, 2024.
- Net proceeds of ~$597.9M after original issue discount and underwriting discounts.
- Repayment of outstanding term loan under Credit Agreement dated Feb 24, 2021; remainder for general corporate purposes.
- Notes are unsecured senior obligations, rank equally with existing and future unsecured unsubordinated debt.
- Interest payable semi-annually on Feb 23 and Aug 23 starting Feb 23, 2022.

## SEC filing metadata
- accession: 0001104659-21-109815
- form_type: 8-K
- ticker: BKH
- cik: 0001130464
- company_name: BLACK HILLS CORP /SD/
- filed_at: 2021-08-26T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 8.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1130464/000110465921109815/0001104659-21-109815-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1130464/000110465921109815/tm2125215d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-109815
- JSON: https://secwatch.observer/filing/0001104659-21-109815.json
- Plain text: https://secwatch.observer/filing/0001104659-21-109815.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.