---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-23-000119"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2023-11-21T23:59:59+00:00"
generated_at: "2026-06-07T23:01:23.642327+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MDU Resources announces $2.8B five-year capital plan; utility spending up 44%

## Summary
- Planned capital investments of $2.8B from 2024-2028, a 15% increase vs prior five years.
- Regulated energy delivery spending totals $2.708B; electric and gas utilities up 44%.
- Rate base for utilities expected to grow 6%-7% compounded annually over five years.
- Tax-free spinoff of construction services unit expected to close in late 2024.
- Pipeline business includes Wahpeton Expansion project planned for 2024.

## SEC filing metadata
- accession: 0000067716-23-000119
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2023-11-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771623000119/0000067716-23-000119-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771623000119/mdu-20231121.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-23-000119
- JSON: https://secwatch.observer/filing/0000067716-23-000119.json
- Plain text: https://secwatch.observer/filing/0000067716-23-000119.txt

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