---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-078218"
form_type: "8-K"
ticker: "DUK"
cik: "0001326160"
company_name: "Duke Energy CORP"
filed_at: "2024-07-08T23:59:59+00:00"
generated_at: "2026-05-31T22:50:56.926059+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# SC regulators approve Duke Energy Carolinas rate case; $30-40M Q2 charge

## Summary
- PSCSC approved $234M annual base rate increase before EDIT acceleration; net $150M first 2 years.
- Return on equity 9.94% on 51.21% equity capital structure; rate base set at $7.4B.
- Revised rates effective August 1, 2024; one-time pre-tax charge of $30-40M in Q2 2024.
- Coal ash recovery of $184M over 7 years with debt-only return during deferral.
- Grid improvement CWIP of $188M included in rate base; $2M shareholder contribution for low-income programs.

## SEC filing metadata
- accession: 0001104659-24-078218
- form_type: 8-K
- ticker: DUK
- cik: 0001326160
- company_name: Duke Energy CORP
- filed_at: 2024-07-08T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326160/000110465924078218/0001104659-24-078218-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/30371/000110465924078218/tm2419006d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-078218
- JSON: https://secwatch.observer/filing/0001104659-24-078218.json
- Plain text: https://secwatch.observer/filing/0001104659-24-078218.txt

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