---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-032785"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2024-03-11T23:59:59+00:00"
generated_at: "2026-06-04T23:38:33.790983+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CPUC adopts decision on Cal Water's 2021 rate case; approves $1.21B infrastructure investment

## Summary
- CPUC increases 2023 adopted revenues by ~$39.2M retroactive to Jan 1, 2023; up to $32.2M for 2024 and $31.7M for 2025.
- Authorizes ~$1.21B in water system infrastructure projects from 2021 through 2024, including ~$160M via advice letter process.
- Progressive rate design approved: lowers cost of initial consumption units, increases fixed-cost recovery in service charge.
- From 2021-2023, Cal Water completed >85% of previously approved projects, spending nearly 100% of approved capital budget.
- Next General Rate Case and Infrastructure Improvement Plan scheduled for filing in July 2024.

## SEC filing metadata
- accession: 0001104659-24-032785
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2024-03-11T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465924032785/0001104659-24-032785-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465924032785/tm248406d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-032785
- JSON: https://secwatch.observer/filing/0001104659-24-032785.json
- Plain text: https://secwatch.observer/filing/0001104659-24-032785.txt

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