---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-096613"
form_type: "8-K"
ticker: "CWT"
cik: "0001035201"
company_name: "CALIFORNIA WATER SERVICE GROUP"
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:41:36.555796+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# California Water Service Group issues $370M in notes and bonds to refinance debt

## Summary
- Sold $70M 4.87% Senior Notes Series A due 2032 and $100M 5.22% Senior Notes Series B due 2035.
- Subsidiary Cal Water sold $200M 5.64% First Mortgage Bonds due 2055.
- Notes rated A by S&P; Bonds rated AA- by S&P.
- Proceeds from notes and bonds will refinance existing debt and for general corporate purposes.

## SEC filing metadata
- accession: 0001104659-25-096613
- form_type: 8-K
- ticker: CWT
- cik: 0001035201
- company_name: CALIFORNIA WATER SERVICE GROUP
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1035201/000110465925096613/0001104659-25-096613-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1035201/000110465925096613/tm2527762d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-096613
- JSON: https://secwatch.observer/filing/0001104659-25-096613.json
- Plain text: https://secwatch.observer/filing/0001104659-25-096613.txt

## Key facts
- Debt Financings
  CALIFORNIA WATER SERVICE GROUP incurred senior notes of $70 million principal amount at 4.87% maturing due October 1, 2032.
  - Instrument: senior notes
  - Principal: $70 million principal amount
  - Rate: 4.87%
  - Maturity: due October 1, 2032
  - Event: incurrence
  source text: On October 1, 2025, California Water Service Group (“Group”) completed the sale and issuance of (i) $70 million principal amount of its 4.87% Senior Unsecured Notes, Series A, due October 1, 2032 (the “Series A Notes”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035201/000110465925096613/0001104659-25-096613-index.htm
- Debt Financings
  CALIFORNIA WATER SERVICE GROUP incurred mortgage of $200 million principal amount at 5.64% maturing due October 1, 2055.
  - Instrument: mortgage
  - Principal: $200 million principal amount
  - Rate: 5.64%
  - Maturity: due October 1, 2055
  - Event: incurrence
  source text: California Water Service Company (“Cal Water”), a wholly owned subsidiary of Group, completed the sale and issuance of $200 million principal amount of its 5.64% First Mortgage Bonds due October 1, 2055, Series 3 (the “Bonds”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035201/000110465925096613/0001104659-25-096613-index.htm
- Debt Financings
  CALIFORNIA WATER SERVICE GROUP incurred senior notes of $100 million principal amount at 5.22% maturing due October 1, 2035.
  - Instrument: senior notes
  - Principal: $100 million principal amount
  - Rate: 5.22%
  - Maturity: due October 1, 2035
  - Event: incurrence
  source text: $100 million principal amount of its 5.22% Senior Unsecured Notes, Series B, due October 1, 2035 (the “Series B Notes”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1035201/000110465925096613/0001104659-25-096613-index.htm

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