EX-23.2
Published on March 2, 2009
Exhibit 23.2
Consent of Independent Registered Public Accounting Firm
The Board of Directors and Stockholders
California Water Service Group:
California Water Service Group:
We consent to the incorporation by reference in the registration statements (No. 333-103721) on
Form S-3 and (No. 333-60810 and No. 333-127495) on Form S-8 of California Water Service Group of
our report dated February 28, 2008, except for the last paragraph of note 1, which is as of
February 27, 2009, with respect to the consolidated balance sheet of California Water Service Group
and subsidiaries as of December 31, 2007, and the related consolidated statements of income, common
stockholders equity and comprehensive income, and cash flows for each of the years in the two-year
period ended December 31, 2007, which report appears in the December 31, 2008 annual report on Form
10-K of California Water Service Group.
/s/ KPMG LLP
Mountain View, California
February 27, 2009
February 27, 2009