Filed pursuant to Rule 433 Dated November 13, 2006 Relating to Prospectus Supplement dated November 13, 2006 to Registration Statement No. 333-134219 PRICING TERM SHEET (To Preliminary Prospectus Supplement dated November 13, 2006) Issuer: Southern Power Company Security: Series E 6.375% Senior Notes due November 15, 2036 Ratings: Baa1/BBB+/BBB+ (Moody's/S&P/Fitch) Size: $200,000,000 Public Offering Price: 100.00% Maturity: November 15, 2036 Treasury Benchmark: 4.50% due February 15, 2036 US Treasury Yield: 4.705% Spread to Treasury: 167 basis points Redemption Terms: Prior to November 15, 2016, make-whole call at T+35 bps. On or after November 15, 2016, at 100% of the principal amount. Coupon: 6.375% Interest Payment Dates: May 15 and November 15 of each year beginning May 15, 2007 Format: SEC Registered Transaction Date: November 13, 2006 Expected Settlement Date: November 21, 2006 (T+6) Joint Lead Managers: Citigroup Global Markets Inc. Lehman Brothers Inc. Co-Managers: Lazard Capital Markets LLC Morgan Keegan & Company, Inc. The issuer has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Southern Power Company collect at 404-506-5000, Citigroup Global Markets Inc. toll-free at 1-877-858-5407 or Lehman Brothers Inc. toll-free at 1-888-603-5847.