---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-099198"
form_type: "8-K"
ticker: "DUK"
cik: "0001326160"
company_name: "Duke Energy CORP"
filed_at: "2023-09-08T23:59:59+00:00"
generated_at: "2026-06-10T22:02:18.701927+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Duke Energy issues $1.35B in senior notes: $600M 5.75% due 2033, $750M 6.10% due 2053

## Summary
- Issued $600M 5.75% Senior Notes due 2033 at 99.273% of par and $750M 6.10% Senior Notes due 2053 at 99.082% of par.
- Aggregate offering of $1.35B; proceeds for general corporate purposes; closed September 8, 2023.
- Underwriters include BMO, Citigroup, Goldman Sachs, Mizuho, RBC, and Truist Securities.
- Notes issued under June 2008 indenture; Thirtieth Supplemental Indenture dated September 8, 2023.

## SEC filing metadata
- accession: 0001104659-23-099198
- form_type: 8-K
- ticker: DUK
- cik: 0001326160
- company_name: Duke Energy CORP
- filed_at: 2023-09-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326160/000110465923099198/0001104659-23-099198-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1326160/000110465923099198/tm2325094d5_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-099198
- JSON: https://secwatch.observer/filing/0001104659-23-099198.json
- Plain text: https://secwatch.observer/filing/0001104659-23-099198.txt

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