---
schema_version: "secwatch.filing_event.v1"
accession: "0000936340-25-000207"
form_type: "8-K"
ticker: "DTE"
cik: "0000936340"
company_name: "DTE ENERGY CO"
filed_at: "2025-09-17T23:59:59+00:00"
generated_at: "2026-05-17T06:26:04.137843+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# DTE Energy closes $600M sale of 6.25% junior subordinated debentures due 2085

## Summary
- Closed $600M offering of 6.25% junior subordinated debentures maturing in 2085.
- Debentures issued as 2025 Series H under DTE's shelf registration statement (File No. 333-286383).
- Debentures are unsecured and rank junior to all existing and future senior debt.

## SEC filing metadata
- accession: 0000936340-25-000207
- form_type: 8-K
- ticker: DTE
- cik: 0000936340
- company_name: DTE ENERGY CO
- filed_at: 2025-09-17T23:59:59+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/936340/000093634025000207/0000936340-25-000207-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/936340/000093634025000207/dte-20250917.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000936340-25-000207
- JSON: https://secwatch.observer/filing/0000936340-25-000207.json
- Plain text: https://secwatch.observer/filing/0000936340-25-000207.txt

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