Southern CO Capital Trust VIII

Post-effective Amendment to an automatic shelf registration statement on Form S-3ASR or Form F-3ASR

Application for designation of a new trustee under the Trust Indenture Act

Prospectus filed pursuant to Rule 424(b)(2)

Prospectus filed pursuant to Rule 424(b)(5)

Prospectus filed pursuant to Rule 424(b)(2)

Prospectus filed pursuant to Rule 424(b)(5)

Prospectus filed pursuant to Rule 424(b)(2)

Prospectus filed pursuant to Rule 424(b)(5)

Automatic shelf registration statement of securities of well-known seasoned issuers