---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-053556"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2026-05-01T23:59:59+00:00"
generated_at: "2026-05-15T00:12:12.316044+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CPUC final decision grants Cal Water $90.5M revenue increase in 2026 and authorizes $1.45B infrastructure investment

## Summary
- Company-wide revenue increase of $90.5M (10.9%) in 2026, $43.2M (4.7%) in 2027, $48.9M (5.1%) in 2028.
- Authorized $1.45B in capital investment from 2024-2027 for water quality, pipes, backups, cybersecurity, and supply.
- New sales reconciliation mechanism allows annual sales forecast adjustments; Monterey-style revenue adjustment renewed.
- Rates effective July 1, 2026, concluding nearly two-year CPUC review process.
- Decision provides financial stability while supporting affordability for low-income customers.

## SEC filing metadata
- accession: 0001104659-26-053556
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2026-05-01T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465926053556/0001104659-26-053556-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465926053556/tm2613168d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-053556
- JSON: https://secwatch.observer/filing/0001104659-26-053556.json
- Plain text: https://secwatch.observer/filing/0001104659-26-053556.txt

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