---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-073493"
form_type: "8-K"
ticker: "UTL"
cik: "0000755001"
company_name: "UNITIL CORP"
filed_at: "2025-04-04T23:59:59+00:00"
generated_at: "2026-05-23T21:49:20.929821+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Unitil agrees to acquire Maine Natural Gas from Avangrid for $86M cash

## Summary
- Purchase price $86M cash, subject to working capital adjustments; debt financing committed from Scotiabank.
- Maine Natural serves ~6,300 customers in Greater Portland and Augusta; 230 miles of mains; rate base ~$69M.
- Transaction expected to close by end of 2025, subject to Maine PUC approval; unit will become wholly owned subsidiary.
- Combined with Bangor acquisition, Unitil will serve >40% of Maine's population; deal expected to be long-term accretive.

## SEC filing metadata
- accession: 0001193125-25-073493
- form_type: 8-K
- ticker: UTL
- cik: 0000755001
- company_name: UNITIL CORP
- filed_at: 2025-04-04T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/755001/000119312525073493/0001193125-25-073493-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/755001/000119312525073493/d946977d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-073493
- JSON: https://secwatch.observer/filing/0001193125-25-073493.json
- Plain text: https://secwatch.observer/filing/0001193125-25-073493.txt

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