8-K current report · filed May 1, 2026

CALIFORNIA WATER SERVICE GROUP (CWT) 8-K Current Report: May 1, 2026

Item 8.01Item EX-99.1CWT overview

Short answer

CALIFORNIA WATER SERVICE GROUP (CWT) filed an 8-K current report with the SEC on May 1, 2026 reporting Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). CPUC issued its final decision on California Water Service’s 2024 General Rate Case.

CALIFORNIA WATER SERVICE GROUP 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • CPUC issued its final decision on California Water Service’s 2024 General Rate Case
  • Decision affects Group’s largest subsidiary and future regulated customer rates
  • Exhibit 99.1 contains the press release with decision details relevant to revenue and earnings outlook

Item EX-99.1 · Exhibit EX-99.1

  • CPUC-approved rate increases: $90.5M in 2026, $43.2M in 2027, and $48.9M in 2028
  • New rates expected July 1, 2026, supporting revenue growth and infrastructure cost recovery
  • $1.45B authorized infrastructure investment through 2027, including water quality, reliability, security, and supply projects
  • Up to $229M of additional projects eligible for recovery through the CPUC advice-letter process
  • Revenue adjustment and sales reconciliation mechanisms improve cash-flow stability despite no full decoupling

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