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    <ACCEPTANCE-DATETIME>20250501172524
    ACCESSION NUMBER:		0001104659-25-043579
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		19
    FILED AS OF DATE:		20250501
    DATE AS OF CHANGE:		20250501

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CALIFORNIA WATER SERVICE GROUP
    		CENTRAL INDEX KEY:			0001035201
    		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		EIN:				770448994
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13883
    		FILM NUMBER:		25904510

    	BUSINESS ADDRESS:
    		STREET 1:		1720 N FIRST ST
    		STREET 2:		C/O CALIFORNIA WATER SERVICE CO
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95112
    		BUSINESS PHONE:		4083678200

    	MAIL ADDRESS:
    		STREET 1:		1720 FIRST ST
    		STREET 2:		C/O CALIFORNIA WATER SERVICE CO
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95112
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