---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-003847"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2025-01-16T23:59:59+00:00"
generated_at: "2026-05-27T23:42:33.402397+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# CPUC grants Cal Water one-year extension for cost of capital filing to May 1, 2026

## Summary
- CPUC approved joint request from Cal Water and three other Class A water companies for extension.
- Cost of capital filing deadline extended by one year to May 1, 2026.
- Existing Water Cost of Capital Mechanisms remain in effect during the extension period.

## SEC filing metadata
- accession: 0001104659-25-003847
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2025-01-16T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465925003847/0001104659-25-003847-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465925003847/tm253484d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-003847
- JSON: https://secwatch.observer/filing/0001104659-25-003847.json
- Plain text: https://secwatch.observer/filing/0001104659-25-003847.txt

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