Ticker League

TTM

-12.6%

YoY change

−15.26pp

Trough year (2025)

-12.1%

Peak year (1996)

11.3%

FCF Margin history chart for Southern Company (SO) from 1994 to 2025

Latest: -12.1%

FCF Margin change chart for Southern Company (SO) from 1994 to 2025

Latest: −15.26pp

FCF Margin history table for Southern Company (SO) from 1994 to 2025

  • 2025-12.1%-15.26pp
  • 20243.1%+9.22pp
  • 2023-6.1%-0.57pp
  • 2022-5.5%-0.90pp
  • 2021-4.6%-0.98pp
  • 2020-3.7%+4.63pp
  • 2019-8.3%-3.79pp
  • 2018-4.5%-0.03pp
  • 2017-4.5%+7.68pp
  • 2016-12.1%-5.74pp
  • 2015-6.4%-5.52pp
  • 2014-0.9%-4.59pp
  • 20133.7%+3.17pp
  • 20120.5%-7.27pp
  • 20117.8%+8.35pp
  • 2010-0.5%+8.39pp
  • 2009-8.9%-5.65pp
  • 2008-3.3%-2.31pp
  • 2007-1.0%+0.24pp
  • 2006-1.2%-2.39pp
  • 20051.2%-3.78pp
  • 20045.0%-4.55pp
  • 20039.5%+8.43pp
  • 20021.1%+3.38pp
  • 2001-2.3%-8.19pp
  • 20005.9%+4.14pp
  • 19991.7%-6.07pp
  • 19987.8%+1.75pp
  • 19976.1%-5.24pp
  • 199611.3%+1.36pp
  • 199510.0%+3.03pp
  • 19946.9%

FCF Margin values are taken from Southern Company's reported income statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About FCF Margin at Southern Company (SO)

According to Southern Company's latest reported financial statements, the company's latest reported free cash flow margin is -12.6%. Free cash flow margin is free cash flow divided by revenue — the share of each sales dollar that converts into cash after capital expenditures. Because free cash flow cannot be inflated by non-cash accounting, FCF margin is a clean read on how efficiently a business turns revenue into deployable cash.

Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

As of the 2025 fiscal year, Southern Company (SO) reported free cash flow margin of -12.15% – contracted 15.3 percentage points year-over-year.

11.31% stands as the all-time-high annual free cash flow margin, posted in 1996, against a low of -12.15% during 2025.

Southern Company FCF Margin by Year

Southern Company FCF Margin 2025: -12.1%

Southern Company free cash flow margin in 2025 was -12.15%, contracted 15.3 percentage points from 2024. This figure represents the lowest annual value in the available history.

Southern Company FCF Margin 2024: 3.1%

2024's free cash flow margin for Southern Company came in at 3.12%, expanded 9.2 percentage points from 2023.

Southern Company FCF Margin 2023: -6.1%

Southern Company posted free cash flow margin of -6.11% in 2023, contracted 0.6 percentage points from 2022.

Southern Company FCF Margin 2022: -5.5%

In 2022, Southern Company reported free cash flow margin of -5.54%, contracted 0.9 percentage points from 2021.

Southern Company FCF Margin 2021: -4.6%

Southern Company free cash flow margin in 2021 was -4.63%.

See more financial history for Southern Company (SO).

Frequently asked questions