---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-25-000041"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2025-05-08T23:59:59+00:00"
generated_at: "2026-05-22T05:59:38.746251+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MDU Resources Q1 continuing ops EPS $0.40 vs $0.37 YoY; affirms 2025 guidance $0.88-$0.98

## Summary
- Pipeline segment record Q1 earnings of $17.2M, up 13.9% on expansion projects and storage demand.
- Natural gas distribution earnings rose 11.5% to $44.7M on rate relief and colder weather; customer count up 1.5%.
- Electric segment earnings fell to $15.0M from $17.9M due to higher O&M from outages, partially offset by 25.1% higher retail volumes.
- Washington rate case approved: $29.8M annual increase Year 1, $10.8M Year 2; Montana interim rates $7.7M annual.
- 2025 EPS guidance reaffirmed at $0.88-$0.98; Bakken East pipeline open season completed, Baker Storage open season underway.

## SEC filing metadata
- accession: 0000067716-25-000041
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2025-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/0000067716-25-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/mdu-20250508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-25-000041
- JSON: https://secwatch.observer/filing/0000067716-25-000041.json
- Plain text: https://secwatch.observer/filing/0000067716-25-000041.txt

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