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The Southern Company (SO)
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The Southern Company (SO) SEC Filings

Filing links are provided when reliable SEC filing data is available.

Recent Filings

FormFiling DateAcceptedDocument
424B2Jun 8, 2026Jun 8, 2026View filing
8-KJun 8, 2026Jun 8, 2026View filing
S-3ASRJun 5, 2026Jun 5, 2026View filing
4Jun 1, 2026Jun 1, 2026View filing
4May 26, 2026May 26, 2026View filing
SDMay 20, 2026May 20, 2026View filing
8-KMay 15, 2026May 15, 2026View filing
SC 13GMay 14, 2026May 14, 2026View filing
DEFA14AMay 5, 2026May 5, 2026View filing
4May 4, 2026May 4, 2026View filing
SC 13GApr 30, 2026Apr 30, 2026View filing
8-KApr 30, 2026Apr 30, 2026View filing
ARSApr 3, 2026Apr 3, 2026View filing
DEFA14AApr 3, 2026Apr 3, 2026View filing
DEF 14AApr 3, 2026Apr 3, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Apr 2, 2026Apr 2, 2026View filing
4Mar 31, 2026Mar 31, 2026View filing

About The Southern Company

The Southern Company operates as an energy utility, primarily involved in the production, transmission, and distribution of electricity. Its operations are segmented into Gas Distribution Operations, Gas Pipeline Investments, Wholesale Gas Services, and Gas Marketing Services. The company also undertakes the development, construction, acquisition, ownership, and management of various power generation assets, including renewable energy ventures, and supplies electricity to the wholesale market. Complementing its power business, it distributes natural gas in Illinois, Georgia, Virginia, and Tennessee, while also offering gas marketing services, wholesale gas services, and managing gas pipeline investments. Its extensive portfolio of generating assets includes 30 hydroelectric, 24 fossil fuel, three nuclear, 13 combined cycle/cogeneration, 45 solar, 15 wind, one fuel cell, and four battery storage facilities. In terms of natural gas infrastructure, the company builds, operates, and maintains 76,289 miles of pipelines and 14 storage facilities with a total capacity of 157 billion cubic feet, delivering natural gas to residential, commercial, and industrial clients. The Southern Company serves approximately 8.7 million electric and gas utility customers in total. Furthermore, it provides digital wireless communications and fiber optics services. The company was founded in 1945 and maintains its corporate headquarters in Atlanta, Georgia.

Atlanta, GA
28,314 employees
Utilities / Regulated Electric
Sector
Utilities
Industry
Regulated Electric
CEO
Christopher C. Womack