EX-23.E.1 20 x23e1.txt Exhibit 23(e)1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-108156 on Form S-3 of our reports dated February 28, 2005, relating to the financial statements (which report expresses an unqualified opinion and includes an explanatory paragraph concerning the adoption of a new accounting principle in 2003) and financial statement schedule of Mississippi Power Company, appearing in this Annual Report on Form 10-K of Mississippi Power Company for the year ended December 31, 2004. /s/Deloitte & Touche LLP Atlanta, Georgia February 28, 2005