Exhibit 23.2 Consent of Independent Public Accountants As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 18, 1999, included in Commonwealth Energy System's Annual Report on Form 10-K for the year ended December 31, 1998, and all references to our Firm included in this registration statement. ARTHUR ANDERSEN LLP Boston, Massachusetts August 16, 1999