---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-077544"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2023-07-03T23:59:59+00:00"
generated_at: "2026-06-13T13:04:13.632880+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# CPUC approves cost of capital for Cal Water; authorized return drops to 7.08%

## Summary
- CPUC sets initial ROE of 9.05%; WCCM trigger allows filing for 9.57% ROE.
- Authorized rate of return reduced 40 bps to 7.08%, decreasing annual revenue by ~$7M (<1%).
- Cost of debt lowered to 4.23% from 5.51%; decision covers July 2023–end of 2024.
- CEO states decision provides investor certainty while balancing customer and community needs.

## SEC filing metadata
- accession: 0001104659-23-077544
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2023-07-03T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465923077544/0001104659-23-077544-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465923077544/tm2320469d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-077544
- JSON: https://secwatch.observer/filing/0001104659-23-077544.json
- Plain text: https://secwatch.observer/filing/0001104659-23-077544.txt

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