0001160661 2026-08-17 2026-08-17 0001160661 1 2026-08-17 2026-08-17 0001160661 2 2026-08-17 2026-08-17 0001160661 3 2026-08-17 2026-08-17 iso4217:USD pure S-3 S-3ASR EX-FILING FEES 0001160661 SOUTHERN POWER CO N/A N/A S-3 SOUTHERN POWER CO false Equity Southern Power Company Preferred Stock true 0.0001381 false Debt Southern Power Company Senior Notes true 0.0001381 false Debt Southern Power Company Junior Subordinated Notes true 0.0001381 0.00 0.00 0.00 0.00 0.00 There are being registered hereunder such presently indeterminate principal amount of Senior Notes and Junior Subordinated Notes and such presently indeterminate number of shares of Preferred Stock of Southern Power Company (the "Company") as may from time to time be issued at indeterminable prices. In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Company is deferring payment of all of the registration fees. See Offering Note 1 See Offering Note 1