Company · CIK 1160661 # SOUTHERN POWER CO | CIK | [1160661](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001160661) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4911 — Electric Services | | Business address | GA | | Listed | no ticker on SEC record today | | First annual or quarterly report | 2002-11-13 | ## Offerings 9 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-298433 | Shelf Effective | 2026-08-19 | 2026-08-19 | 1 | | 333-289172 | Shelf Effective | 2025-08-01 | 2026-06-01 | 5 | | 333-268044 | Shelf Effective | 2022-10-28 | 2022-11-10 | 2 | | 333-234433 | Shelf Effective | 2019-11-01 | 2021-01-05 | 3 | | 333-213264 | Shelf Effective | 2016-08-23 | 2016-11-10 | 4 | | 333-205680 | Shelf Effective | 2015-07-15 | 2016-06-13 | 6 | | 333-184850 | Shelf Effective | 2012-11-09 | 2015-05-14 | 5 | | 333-162985 | Shelf Effective | 2009-11-09 | 2011-11-10 | 4 | | 333-134219 | Shelf Effective | 2006-05-17 | 2006-11-09 | 2 | ## Filings 32 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-08-19 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1160661/000116066126000011/0001160661-26-000011-index.htm) Shelf registered | 333-298433 | 0001160661-26-000011 | | 2026-06-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066126000002/0001160661-26-000002-index.htm) Shelf takedown | 333-289172 | 0001160661-26-000002 | | 2025-09-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066125000010/0001160661-25-000010-index.htm) Shelf takedown | 333-289172 | 0001160661-25-000010 | | 2025-09-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066125000008/0001160661-25-000008-index.htm) Shelf takedown | 333-289172 | 0001160661-25-000008 | | 2025-08-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999525002541/9999999995-25-002541-index.htm) Declared effective | 333-289172 | 9999999995-25-002541 | | 2025-08-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000116066125000004/0001160661-25-000004-index.htm) Shelf registered | 333-289172 | 0001160661-25-000004 | | 2022-11-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999522003275/9999999995-22-003275-index.htm) Declared effective | 333-268044 | 9999999995-22-003275 | | 2022-10-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000116066122000002/0001160661-22-000002-index.htm) Shelf registered | 333-268044 | 0001160661-22-000002 | | 2021-01-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066121000002/0001160661-21-000002-index.htm) Shelf takedown | 333-234433 | 0001160661-21-000002 | | 2019-11-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999519002564/9999999995-19-002564-index.htm) Declared effective | 333-234433 | 9999999995-19-002564 | | 2019-11-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000116066119000004/0001160661-19-000004-index.htm) Shelf registered | 333-234433 | 0001160661-19-000004 | | 2016-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000065/0001160661-16-000065-index.htm) Shelf takedown | 333-213264 | 0001160661-16-000065 | | 2016-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000063/0001160661-16-000063-index.htm) Shelf takedown | 333-213264 | 0001160661-16-000063 | | 2016-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000061/0001160661-16-000061-index.htm) Shelf takedown | 333-213264 | 0001160661-16-000061 | | 2016-08-23 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000059/0001160661-16-000059-index.htm) Shelf registered | 333-213264 | 0001160661-16-000059 | | 2016-06-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000045/0001160661-16-000045-index.htm) Shelf takedown | 333-205680 | 0001160661-16-000045 | | 2016-06-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066116000044/0001160661-16-000044-index.htm) Shelf takedown | 333-205680 | 0001160661-16-000044 | | 2015-11-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066115000031/0001160661-15-000031-index.htm) Shelf takedown | 333-205680 | 0001160661-15-000031 | | 2015-11-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066115000030/0001160661-15-000030-index.htm) Shelf takedown | 333-205680 | 0001160661-15-000030 | | 2015-09-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999515002477/9999999995-15-002477-index.htm) Declared effective | 333-205680 | 9999999995-15-002477 | | 2015-07-15 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000116066115000017/0001160661-15-000017-index.htm) Shelf registered | 333-205680 | 0001160661-15-000017 | | 2015-05-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066115000004/0001160661-15-000004-index.htm) Shelf takedown | 333-184850 | 0001160661-15-000004 | | 2015-05-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066115000002/0001160661-15-000002-index.htm) Shelf takedown | 333-184850 | 0001160661-15-000002 | | 2013-07-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000116066113000002/0001160661-13-000002-index.htm) Shelf takedown | 333-184850 | 0001160661-13-000002 | | 2012-11-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999512003354/9999999995-12-003354-index.htm) Declared effective | 333-184850 | 9999999995-12-003354 | | 2012-11-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000009212212000158/0000092122-12-000158-index.htm) Shelf registered | 333-184850 | 0000092122-12-000158 | | 2011-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000009212211000141/0000092122-11-000141-index.htm) Shelf takedown | 333-162985 | 0000092122-11-000141 | | 2011-09-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1160661/000009212211000113/0000092122-11-000113-index.htm) Shelf takedown | 333-162985 | 0000092122-11-000113 | | 2009-11-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999509003291/9999999995-09-003291-index.htm) Declared effective | 333-162985 | 9999999995-09-003291 | | 2009-11-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000009212209000090/0000092122-09-000090-index.htm) Shelf registered | 333-162985 | 0000092122-09-000090 | | 2006-11-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1160661/999999999506002263/9999999995-06-002263-index.htm) Declared effective | 333-134219 | 9999999995-06-002263 | | 2006-05-17 | [S-3](https://www.sec.gov/Archives/edgar/data/1160661/000116066106000002/0001160661-06-000002-index.htm) Shelf registered | 333-134219 | 0001160661-06-000002 | [All filings of this company](https://equitycapital.markets/filings?cik=1160661) · [CSV](https://equitycapital.markets/filings.csv?cik=1160661) --- Source page: https://equitycapital.markets/company/1160661 · Data: U.S. SEC EDGAR · CC BY 4.0