undamentalytics Newsletter

Southern Company key statistics and ratios

In fiscal 2025, Southern Company had return on equity of 12.5%, an operating margin of 24.7%, debt equal to 201.6% of equity and a current ratio of 0.65. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Southern Company: financial ratios, annual
Fiscal year2009Dec 20092010Dec 20102011Dec 20112012Dec 20122013Dec 20132014Dec 20142015Dec 20152016Dec 20162017Dec 20172018Dec 20182019Dec 20192020Dec 20202021Dec 20212022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMJun 2026
Operating margin20.8%21.8%24.0%27.0%19.0%19.7%24.5%22.5%10.1%17.8%36.1%24.0%16.0%18.3%23.1%26.4%24.7%24.2%
Net margin10.4%11.3%12.5%14.2%9.6%10.6%13.5%12.3%3.7%9.5%22.1%15.3%10.4%12.0%15.7%16.5%14.7%15.4%
Free-cash-flow margin−8.9%−0.5%7.8%0.5%4.5%3.1%3.4%−12.1%−4.5%−4.5%−8.3%−4.1%−6.1%−5.5%−6.1%3.1%−9.9%−10.8%
Return on equity10.5%12.2%12.5%12.8%8.8%10.1%11.7%10.8%3.4%9.1%18.1%11.2%8.6%12.1%12.9%13.6%12.5%11.9%
Return on assets3.2%3.7%3.9%3.8%2.6%2.9%3.2%2.6%0.8%2.0%4.0%2.6%1.9%2.7%2.9%3.1%2.9%2.9%
Asset turnover0.300.330.310.270.270.270.240.210.210.210.180.170.180.220.180.190.200.19
Current ratio1.050.910.950.881.020.650.710.750.740.670.780.710.820.660.770.670.650.79
Debt to equity127.6%122.7%116.1%122.6%122.6%124.2%139.6%191.7%210.2%189.5%170.3%175.9%192.7%189.3%197.2%195.2%201.6%178.5%
Effective tax rate—33.5%35.0%35.6%33.2%32.5%32.9%27.3%13.3%16.3%27.5%11.2%10.4%18.8%11.4%18.5%16.6%12.8%
Capital spending as % of revenue29.7%23.4%25.6%29.1%31.2%28.4%32.4%36.7%32.2%34.1%35.3%36.9%32.8%27.1%36.0%33.5%43.1%46.1%
Free cash flow ÷ net income−85.6%−4.8%62.6%3.8%46.6%29.0%25.3%−98.7%−122.2%−47.4%−37.4%−26.5%−59.2%−46.0%−38.8%18.9%−67.6%−70.2%
Dividends ÷ net income83.3%75.7%72.7%72.0%107.2%95.1%82.8%85.9%273.2%108.9%54.2%86.1%116.0%82.5%76.3%67.1%69.5%66.6%
Dividends and buybacks ÷ free cash flow——116.2%>999%232.6%328.8%345.7%————————354.6%——

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

1 of 6 checks passed · June 30, 2026
What it owns · $162.0bn
Short-term assets $12.4bnLonger-term assets $149.6bn
What it owes, and who funded it · $162.0bn
Short-term liabilities $15.7bnLonger-term liabilities $104.0bnShareholders' equity $42.3bn
  • Short-term assets cover short-term liabilities $12.4bn of assets due within a year against $15.7bn of liabilities due within a year.
  • Short-term assets cover long-term liabilities $12.4bn short-term assets against $104.0bn of longer-dated liabilities.
  • More cash than debt $3.0bn of cash against $70.9bn of debt.
  • Debt below 40% of shareholders' equity Debt is 167% of equity.
  • Debt burden no higher than five years ago Debt to equity moved from 180% to 167% over five years.
  • A year's operating cash flow covers at least 20% of debt $10.7bn of operating cash flow against $70.9bn of debt.
  • Operating profit covers interest at least five times over Interest not separately reported. Not assessable.

From Southern Company's latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

36 /100

Weak moat

How hard Southern's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

  • Returns on capital 1 / 20

    Net income has been a median 2.6% of total assets over 10 years.

  • Durability 13 / 20

    Operating margin has been a median 23.2%; its worst year was 9.3%.

  • Cash conversion 0 / 20

    Free cash flow was positive in 0 of 10 years, at a median -5.1% of revenue.

  • Discipline 15 / 20

    The diluted share count rose 5.4% over five years; stock-based pay has been a median 0.2% of revenue.

AI disruption exposure: Low. In this industry, the business rests on physical assets, regulated networks or products AI itself depends on.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

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Figures from Southern Company's SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Southern Company.