NYSE:SO
Southern Co.
Southern Co.'s revenue grew 10.6% in fiscal 2025 to $29.6B while operating margin fell to 24.7%. Free cash flow was −$2.9B, −9.9% of revenue, and the diluted share count rose 0.6%.Summary generated from Southern Co.'s SEC filings. Latest annual report filed Feb 19, 2026.
Key statistics
Fiscal 2025 from SEC filings. MethodologyRevenue (FY25)$29.6B
Revenue growth+10.6%
Revenue, 5-yr CAGR+7.7%
Gross marginn/a
Operating margin24.7%
Net margin14.7%
ROIC6.0%
Return on equity12.5%
Debt / equity2.02
Free cash flow−$2.9B
FCF margin−9.9%
Share count change+0.6%
Financials
| Item | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | 23.1 | 29.3 | 25.3 | 26.7 | 29.6 |
| Operating income | 3.7 | 5.4 | 5.8 | 7.1 | 7.3 |
| Net income | 2.3 | 3.4 | 4.0 | 4.4 | 4.3 |
| Free cash flow | −1.4 | −1.6 | −1.5 | 0.8 | −2.9 |
Recent filings
- 4Insider transaction report
Oct 5, 2026 - 4Insider transaction report
Oct 5, 2026 - 8-KNew financial obligation
Aug 6, 2026 - 8-KOther events
Aug 4, 2026 - 8-KOther events
Aug 3, 2026 - 8-KResults of operations and financial condition
Jul 30, 2026 - 10-QQuarterly report for the period ended Jun 30, 2026
Jul 30, 2026 - 8-KOther events
Jun 8, 2026