This excerpt taken from the SO 10-K filed Feb 27, 2007.
Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
See MANAGEMENTS DISCUSSION AND ANALYSIS - FINANCIAL CONDITION AND LIQUIDITY Market Price Risk of each of the registrants in Item 7 herein and Note 1 of each of the registrants financial statements under Financial Instruments in Item 8 herein. See also Note 6 to the financial statements of Southern Company, each traditional operating company and Southern Power under Financial Instruments in Item 8 herein.