SOUTHERN CO (SO) Free cash flow
- Free cash flow · 12 months (USD): Value $-3.47B; Formula and calculation Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-03-31..
- Price / free cash flow · 12 months: Value (m); Formula and calculation Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-03-31..
- Free cash flow yield · 12 months: Value (m); Formula and calculation (Operating cash flow − capital spending) / current market cap. Period ending 2026-03-31..
- Free cash flow margin · 12 months: Value -11.49%; Formula and calculation (Operating cash flow − capital spending) / revenue. Period ending 2026-03-31..
Free cash flow
Overview →Financial period ending 2026-03-31; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| Free cash flow · 12 months (USD) | $-3.47B | Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-03-31. $9.78B − $13.24B ≈ $-3.47B |
| Price / free cash flow · 12 months | (m) | Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-03-31. Calculation unavailable: missing inputs remain (m). |
| Free cash flow yield · 12 months | (m) | (Operating cash flow − capital spending) / current market cap. Period ending 2026-03-31. Calculation unavailable: missing inputs remain (m). |
| Free cash flow margin · 12 months | -11.49% | (Operating cash flow − capital spending) / revenue. Period ending 2026-03-31. $-3.47B ÷ $30.18B × 100 ≈ -11.49% |
| Free cash flow per share · 12 months | (m) | (Trailing-year operating cash flow − capital spending) / reported quarter-end common shares. Period ending 2026-03-31. Calculation unavailable: missing inputs remain (m). |
| Operating cash flow · 12 months | $9.78B | Cash generated by operating activities. Period ending 2026-03-31. |
| Operating cash flow / net income · 12 months | 2.24× | Operating cash flow / net income. Period ending 2026-03-31. $9.78B ÷ $4.36B ≈ 2.24× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Operating cash flow | 9.78B USD | Net Cash Provided by (Used in) Operating Activities |
| Capital spending | 13.24B USD | Payments to Acquire Property, Plant, and Equipment |
| Market cap | (m) | |
| Free cash flow | -3.47B USD | Net Cash Provided by (Used in) Operating Activities · Payments to Acquire Property, Plant, and Equipment |
| Revenue | 30.18B USD | |
| Quarter-end shares | (m) | |
| Net income | 4.36B USD | Net Income (Loss) Attributable to Parent |
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Free cash flow | FCF per share | Operating cash flow | Capital spending (USD) | Market cap (USD) | Revenue (USD) | Quarter-end shares (shares) | Net income (USD) | Price / FCF | FCF yield | FCF margin | Cash conversion |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-31 | $-3.47B | (m) | $9.78B | $13.24B | (m) | $30.18B | (m) | $4.36B | (m) | (m) | -11.49% | 2.24× |
| 2025-12-31 | $-2.94B | (m) | $9.80B | $12.74B | (m) | $29.55B | (m) | $4.34B | (m) | (m) | -9.93% | 2.26× |
| 2025-09-30 | $-1.82B | (m) | $9.38B | $11.20B | (m) | $28.91B | (m) | (m) | (m) | (m) | -6.31% | (m) |
| 2025-06-30 | $-1.08B | (m) | $9.22B | $10.30B | (m) | $28.36B | (m) | (m) | (m) | (m) | -3.80% | (m) |
| 2025-03-31 | $105.00M | (m) | $9.73B | $9.62B | (m) | $27.85B | (m) | (m) | (m) | (m) | 0.38% | (m) |
| 2024-12-31 | $833.00M | (m) | $9.79B | $8.96B | (m) | $26.72B | (m) | (m) | (m) | (m) | 3.12% | (m) |
| 2024-09-30 | $688.00M | (m) | $9.43B | $8.74B | (m) | $26.43B | (m) | (m) | (m) | (m) | 2.60% | (m) |
| 2024-06-30 | $-440.00M | (m) | $8.65B | $9.09B | (m) | $26.13B | (m) | (m) | (m) | (m) | -1.68% | (m) |
| 2024-03-31 | $-995.00M | (m) | $8.02B | $9.02B | (m) | $25.42B | (m) | (m) | (m) | (m) | -3.91% | (m) |
| 2023-12-31 | $-1.54B | (m) | $7.55B | $9.10B | (m) | $25.25B | (m) | (m) | (m) | (m) | -6.11% | (m) |
| 2023-09-30 | $-1.96B | (m) | $7.03B | $8.98B | (m) | $26.25B | (m) | (m) | (m) | (m) | -7.45% | (m) |
| 2023-06-30 | $-2.98B | (m) | $5.62B | $8.61B | (m) | $27.65B | (m) | (m) | (m) | (m) | -10.79% | (m) |
| 2023-03-31 | $-2.80B | (m) | $5.55B | $8.35B | (m) | $29.11B | (m) | (m) | (m) | (m) | -9.62% | (m) |
| 2022-12-31 | $-1.62B | (m) | $6.30B | $7.92B | (m) | $29.28B | (m) | (m) | (m) | (m) | -5.54% | (m) |
| 2022-09-30 | $-1.42B | (m) | $6.11B | $7.52B | (m) | $28.00B | (m) | (m) | (m) | (m) | -5.05% | (m) |
| 2022-06-30 | $-225.00M | (m) | $6.84B | $7.07B | (m) | $25.86B | (m) | (m) | (m) | (m) | -0.87% | (m) |
| 2022-03-31 | $-462.00M | (m) | $6.52B | $6.98B | (m) | $23.85B | (m) | (m) | (m) | (m) | -1.94% | (m) |
| 2021-12-31 | $-1.07B | (m) | $6.17B | $7.24B | (m) | $23.11B | (m) | (m) | (m) | (m) | -4.63% | (m) |
| 2021-09-30 | $-741.00M | (m) | $6.56B | $7.30B | (m) | $22.46B | (m) | (m) | (m) | (m) | -3.30% | (m) |
| 2021-06-30 | $-870.00M | (m) | $6.75B | $7.62B | (m) | $21.84B | (m) | (m) | (m) | (m) | -3.98% | (m) |
| 2021-03-31 | $-515.00M | (m) | $7.04B | $7.56B | (m) | $21.27B | (m) | (m) | (m) | (m) | -2.42% | (m) |
| 2020-12-31 | $-745.00M | (m) | $6.70B | $7.44B | (m) | $20.38B | (m) | (m) | (m) | (m) | -3.66% | (m) |
| 2020-09-30 | $-1.38B | (m) | $6.12B | $7.50B | (m) | $20.17B | (m) | (m) | (m) | (m) | -6.86% | (m) |
| 2020-06-30 | $-1.16B | (m) | $6.12B | $7.27B | (m) | $20.55B | (m) | (m) | (m) | (m) | -5.64% | (m) |
| 2020-03-31 | $-1.51B | (m) | $5.93B | $7.44B | (m) | $21.02B | (m) | (m) | (m) | (m) | -7.16% | (m) |
| 2019-12-31 | $-1.77B | (m) | $5.78B | $7.55B | (m) | $21.42B | (m) | $4.74B | (m) | (m) | -8.28% | 1.22× |
| 2019-09-30 | $-1.38B | (m) | $6.24B | $7.63B | (m) | $21.84B | (m) | (m) | (m) | (m) | -6.33% | (m) |
| 2019-06-30 | $-1.46B | (m) | $6.20B | $7.66B | (m) | $22.01B | (m) | (m) | (m) | (m) | -6.62% | (m) |
| 2019-03-31 | $-1.72B | (m) | $6.18B | $7.90B | (m) | $22.54B | (m) | (m) | (m) | (m) | -7.62% | (m) |
| 2018-12-31 | $-1.06B | (m) | $6.95B | $8.00B | (m) | $23.50B | (m) | $2.23B | (m) | (m) | -4.49% | 3.12× |
| 2018-09-30 | $-1.25B | (m) | $6.73B | $7.97B | (m) | $23.79B | (m) | (m) | (m) | (m) | -5.24% | (m) |
| 2018-06-30 | $-941.00M | (m) | $6.91B | $7.85B | (m) | $23.83B | (m) | (m) | (m) | (m) | -3.95% | (m) |
| 2018-03-31 | $-708.00M | (m) | $7.01B | $7.72B | (m) | $23.63B | (m) | (m) | (m) | (m) | -3.00% | (m) |
| 2017-12-31 | $-1.03B | (m) | $6.39B | $7.42B | (m) | $23.03B | (m) | (m) | (m) | (m) | -4.46% | (m) |
| 2017-09-30 | $-1.45B | (m) | $5.85B | $7.30B | (m) | $22.58B | (m) | (m) | (m) | (m) | -6.42% | (m) |
| 2017-06-30 | $-1.73B | (m) | $5.50B | $7.22B | (m) | $22.65B | (m) | (m) | (m) | (m) | -7.62% | (m) |
| 2017-03-31 | $-2.01B | (m) | $4.91B | $6.93B | (m) | $21.68B | (m) | (m) | (m) | (m) | -9.29% | (m) |
| 2016-12-31 | $-2.42B | (m) | $4.89B | $7.31B | (m) | $19.90B | (m) | (m) | (m) | (m) | -12.14% | (m) |
| 2016-09-30 | $-1.99B | (m) | $5.45B | $7.44B | (m) | $18.28B | (m) | (m) | (m) | (m) | -10.87% | (m) |
| 2016-06-30 | $-639.00M | (m) | $6.28B | $6.92B | (m) | $17.42B | (m) | (m) | (m) | (m) | -3.67% | (m) |
| 2016-03-31 | $-229.00M | (m) | $6.23B | $6.46B | (m) | $17.27B | (m) | (m) | (m) | (m) | -1.33% | (m) |
| 2015-12-31 | $600.00M | (m) | $6.27B | $5.67B | (m) | $17.49B | (m) | (m) | (m) | (m) | 3.43% | (m) |
| 2015-09-30 | (m) | (m) | (m) | (m) | (m) | $17.94B | (m) | (m) | (m) | (m) | (m) | (m) |
| 2015-06-30 | (m) | (m) | (m) | (m) | (m) | $17.88B | (m) | (m) | (m) | (m) | (m) | (m) |
| 2015-03-31 | $468.00M | (m) | $5.63B | $5.16B | (m) | $18.01B | (m) | (m) | (m) | (m) | 2.60% | (m) |
| 2014-12-31 | $-162.00M | (m) | $5.82B | $5.98B | (m) | $18.47B | (m) | (m) | (m) | (m) | -0.88% | (m) |
| 2014-03-31 | $1.02B | (m) | $6.46B | $5.45B | (m) | $17.83B | (m) | (m) | (m) | (m) | 5.70% | (m) |
| 2013-12-31 | $634.00M | (m) | $6.10B | $5.46B | (m) | $17.09B | (m) | (m) | (m) | (m) | 3.71% | (m) |
| 2013-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2013-03-31 | $292.00M | (m) | $5.07B | $4.78B | (m) | $16.83B | (m) | (m) | (m) | (m) | 1.73% | (m) |
| 2012-12-31 | $89.00M | (m) | $4.90B | $4.81B | (m) | $16.54B | (m) | (m) | (m) | (m) | 0.54% | (m) |
| 2012-09-30 | $381.00M | (m) | $5.35B | $4.97B | (m) | $16.53B | (m) | (m) | (m) | (m) | 2.30% | (m) |
| 2012-06-30 | $516.00M | (m) | $5.27B | $4.75B | (m) | $16.91B | (m) | (m) | (m) | (m) | 3.05% | (m) |
| 2012-03-31 | $803.00M | (m) | $5.47B | $4.67B | (m) | $17.25B | (m) | (m) | (m) | (m) | 4.66% | (m) |
| 2011-12-31 | $1.38B | (m) | $5.90B | $4.53B | (m) | $17.66B | (m) | (m) | (m) | (m) | 7.80% | (m) |
| 2011-09-30 | $755.00M | (m) | $5.06B | $4.31B | (m) | $17.73B | (m) | (m) | (m) | (m) | 4.26% | (m) |
| 2011-06-30 | $689.00M | (m) | $4.96B | $4.28B | (m) | $17.62B | (m) | (m) | (m) | (m) | 3.91% | (m) |
| 2011-03-31 | $133.00M | (m) | $4.25B | $4.12B | (m) | $17.31B | (m) | (m) | (m) | (m) | 0.77% | (m) |
| 2010-12-31 | $-95.00M | (m) | $3.99B | $4.09B | (m) | $17.46B | (m) | (m) | (m) | (m) | -0.54% | (m) |
| 2010-09-30 | $45.01M | (m) | $4.43B | $4.38B | (m) | $17.19B | (m) | (m) | (m) | (m) | 0.26% | (m) |
| 2010-06-30 | $-354.41M | (m) | $4.06B | $4.41B | (m) | $16.56B | (m) | (m) | (m) | (m) | -2.14% | (m) |
| 2010-03-31 | $-987.00M | (m) | $3.60B | $4.59B | (m) | $16.23B | (m) | (m) | (m) | (m) | -6.08% | (m) |
| 2009-12-31 | $-1.41B | (m) | $3.26B | $4.67B | (m) | $15.74B | (m) | (m) | (m) | (m) | -8.94% | (m) |
| 2009-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-31 | $-497.00M | (m) | $3.46B | $3.96B | (m) | $17.13B | (m) | (m) | (m) | (m) | -2.90% | (m) |
| 2008-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2007-12-31 | $-112.00M | (m) | $3.43B | $3.55B | (m) | $15.35B | (m) | (m) | (m) | (m) | -0.73% | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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