Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated February 25, 2009, relating to the financial statements and financial statement schedule of Mississippi Power Company, appearing in the Annual Report on Form 10-K of Mississippi Power Company for the year ended December 31, 2008, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.
/s/Deloitte & Touche LLP
Atlanta, Georgia
August 7, 2009