EX-24.3_466879 2 poa.txt POA DOCUMENT POWER OF ATTORNEY The undersigned, an executive officer of The Southern Company, hereby makes, constitutes and appoints Patricia L. Roberts and Melissa K. Caen my agents and attorneys-in-fact, for the limited purpose of signing on my behalf, and causing to be filed with the Securities and Exchange Commission, Initial Statement of Beneficial Ownership of Securities, Statement of Changes in Beneficial Ownership and Annual Statement of Changes in Beneficial Ownership, on Forms 3, 4 and 5, respectively, and Form ID, and any appropriate amendment or amendments thereto. This power of attorney shall remain in effect until my obligation to file the aforementioned reports as an executive officer of The Southern Company ceases, unless earlier revoked by me by written document delivered to an Assistant Secretary of The Southern Company. Effective the 22nd day of March 2013. /s/ Kimberly S. Greene Kimberly S. Greene