SOUTHERN CO
SO · CIK 0000092122 · Electric Services
About SOUTHERN CO
Southern Company is a holding company that owns all of the outstanding common stock of three traditional electric operating companies, Southern Power Company, and Southern Company Gas.
Business information sourced from SEC annual filing filed Feb 19, 2026. Business descriptions reflect the cited filing and may not describe subsequent changes.
Company identification is based on SEC registration information. Financial figures are sourced from SEC filings.
Financial highlights
Latest qualifying annual SEC observations · USDHistorical financial performance
USD billions · Annual SEC observations · Choose a metric
Each metric uses a consistent SEC accounting concept when available. Fiscal year-end dates may differ across metrics. Negative values are displayed with a minus sign.
Annual financial history
USD · Exact fiscal period ends| Period ended | Revenue | Net income | Operating income | Assets | Liabilities | Cash | Operating cash flow | Net margin |
|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2025 | $29.55B | $4.34B | $7.28B | $155.72B | $116.85B | $1.64B | $9.80B | 14.7% |
| Dec. 31, 2024 | $26.72B | $4.40B | $7.07B | $145.18B | $108.51B | $1.07B | $9.79B | 16.5% |
| Dec. 31, 2023 | $25.25B | $3.98B | $5.83B | $139.33B | $104.11B | $748.00M | $7.55B | 15.7% |
| Dec. 31, 2022 | $29.28B | — | $5.37B | $134.89B | $100.36B | $1.92B | $6.30B | — |
| Dec. 31, 2021 | $23.11B | — | $3.70B | $127.53B | $94.97B | $1.80B | $6.17B | — |
| Dec. 31, 2020 | $20.38B | — | $4.88B | $122.94B | $90.41B | $1.06B | $6.70B | — |
| Dec. 31, 2019 | $21.42B | — | $7.74B | $118.70B | $86.65B | $1.98B | $5.78B | — |
| Dec. 31, 2018 | $23.50B | — | $4.19B | $116.91B | $87.58B | $1.40B | $6.94B | — |
A dash indicates unavailable or nonmatching period data. Figures are SEC observations, not estimates.
Company information
- Registered name
- SOUTHERN CO
- Ticker symbol
- SO
- CIK
- 0000092122
- Exchange
- NYSE
- Industry
- Electric Services
- SEC SIC code
- 4911
- Fiscal year end (MMDD)
- 1231
- Last SEC synchronization
- Nov 8, 2026 03:40 UTC
- Headquarters / business address
- 30 IVAN ALLEN JR. BLVD., N.W.
ATLANTA, GA 30308 - Mailing address
- 30 IVAN ALLEN JR. BLVD., N.W.
ATLANTA, GA 30308 - Business phone
- 4045065000
Company contact information is drawn from SEC submissions, where reported, and may not reflect current operating locations. Last company information check: Nov 8, 2026 03:40 UTC. Official website, business descriptions and executive details require separate verification.
Latest SEC filings
Browse filings →| Form | Filed | Report period | Official source |
|---|---|---|---|
| 8-K | Nov. 5, 2026 | Nov. 5, 2026 | View SEC filing ↗ |
| 8-K | Oct. 22, 2026 | Oct. 20, 2026 | View SEC filing ↗ |
| 8-K | Aug. 6, 2026 | Aug. 3, 2026 | View SEC filing ↗ |
| 8-K | Aug. 4, 2026 | Aug. 3, 2026 | View SEC filing ↗ |
| 8-K | Aug. 3, 2026 | Aug. 3, 2026 | View SEC filing ↗ |
| 8-K | July 30, 2026 | July 30, 2026 | View SEC filing ↗ |
| 8-K | June 8, 2026 | June 8, 2026 | View SEC filing ↗ |
| 8-K | May 15, 2026 | May 13, 2026 | View SEC filing ↗ |
| 8-K | April 30, 2026 | April 30, 2026 | View SEC filing ↗ |
| 8-K | March 19, 2026 | March 16, 2026 | View SEC filing ↗ |
| 8-K | Feb. 25, 2026 | Feb. 20, 2026 | View SEC filing ↗ |
| 8-K | Feb. 19, 2026 | Feb. 19, 2026 | View SEC filing ↗ |
| 8-K | Dec. 19, 2025 | Dec. 19, 2025 | View SEC filing ↗ |
| 8-K | Dec. 10, 2025 | Dec. 9, 2025 | View SEC filing ↗ |
| 8-K | Nov. 6, 2025 | Nov. 3, 2025 | View SEC filing ↗ |
| 8-K | Oct. 30, 2025 | Oct. 30, 2025 | View SEC filing ↗ |
| 8-K | Sept. 15, 2025 | Sept. 15, 2025 | View SEC filing ↗ |
| 8-K | July 31, 2025 | July 31, 2025 | View SEC filing ↗ |
| 8-K | July 23, 2025 | July 21, 2025 | View SEC filing ↗ |
| 8-K | July 11, 2025 | July 10, 2025 | View SEC filing ↗ |
Financial data is provided for informational purposes, not investment advice. Observations may include restatements; review original SEC filings before making decisions.