Exhibit 23.3 PricewaterhouseCoopers - ----------------- ------------------------ ------------------------------------ PricewaterhouseCoopers Chartered Accountants Dorchester House 7 Church Street Hamilton Bermuda HM 11 Telephone +1 (441) 295 2000 Facsimile +1 (441) 295 1242 CONSENT OF INDEPENDENT ACCOUNTANTS --------- We consent to the incorporation by reference in the Prospectus Supplement to the Registration Statement on Form S-3 of Mississippi Power Company's Series E 5.625% Senior Notes due May 1, 2033 of our report dated February 11, 2003 relating to the financial statements of XL Financial Assurance Ltd. as of December 31, 2002 and 2001 and for each of the three years in the period ended December 31, 2002, which appears as an exhibit in XL Capital Ltd.'s Annual Report on Form 10-K for the year ended December 31, 2002. We also consent to the reference to our Firm under the caption "Experts" in such Prospectus Supplement. /s/PricewaterhouseCoopers PricewaterhouseCoopers Hamilton, Bermuda April 25, 2003 MAILING ADDRESS: PO BOX HM 1171, Hamilton, Bermuda HM EX. A list of partners can be obtained from the above address