---
schema_version: "secwatch.filing_event.v1"
accession: "0001174947-24-000229"
form_type: "8-K"
ticker: "MSEX"
cik: "0000066004"
company_name: "MIDDLESEX WATER CO"
filed_at: "2024-02-16T23:59:59+00:00"
generated_at: "2026-06-06T00:29:52.044713+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Middlesex Water gets NJBPU approval for $15.4M rate increase (14.06%) effective March 1, 2024

## Summary
- NJBPU approved $15.4M (14.06%) base water rate increase effective March 1, 2024.
- New rates allow 6.64% overall rate of return on $563M rate base; ROE set at 9.6%.
- Provisional rates scheduled for Feb 15, 2024 will not be implemented due to NJBPU order.

## SEC filing metadata
- accession: 0001174947-24-000229
- form_type: 8-K
- ticker: MSEX
- cik: 0000066004
- company_name: MIDDLESEX WATER CO
- filed_at: 2024-02-16T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66004/000117494724000229/0001174947-24-000229-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66004/000117494724000229/form8k-31555_msx.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001174947-24-000229
- JSON: https://secwatch.observer/filing/0001174947-24-000229.json
- Plain text: https://secwatch.observer/filing/0001174947-24-000229.txt

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