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SO Southern Co

NYSE, CIK 0000092122, fiscal year ends 12/31. Last price 92.89 on 2026-10-23, market value 106.9 billion dollars.

Machine-readable: SO.json, SO.md. Sections: Graham Defensive, Magic Formula, Momentum, Insider, Buffett Quality, Lynch GARP, Graham Enterprising, Piotroski F-Score, earnings record, insiders, filings and links.

PhilosophyScoreStatusCurrent inputs as ofHistory usedPriceVerificationRules
Graham Defensive 78 ok 2025-12-31
stale: Revenue, current_assets, current_liabilities, lt_debt, equity
 2013–2025 2026-10-23 14 verified, 21 unverified method
Magic Formula n/a not scored — — — — method
Momentum 49 ok 2026-10-23 — 2026-10-23 — method
Insider 0 ok 2026-10-23 — — — method
Buffett Quality 49 ok 2026-03-31
stale: debt_incl_current, debt_short
 2016–2025 2026-10-23 0 verified, 48 unverified method
Lynch GARP 29 ok 2026-03-31
stale: debt_incl_current, debt_short, equity, cash
 2020–2025 2026-10-23 0 verified, 6 unverified method
Graham Enterprising 35 ok 2026-03-31
stale: current_assets, current_liabilities, equity
 2020–2025 2026-10-23 0 verified, 10 unverified method
Piotroski F-Score 44 ok — 2024–2026 — 0 verified, 27 unverified method

Market value, source trail

market_value = traded_price (price date) / depositary_ratio x latest point-in-time SEC shares outstanding (share-count date shown; from the filing cover page, summed across share classes only where the issuer filing verifies the classes are economically equivalent (rule + evidence URL in the source text), else withheld; priced at the primary listed class, so where other classes trade at a different price the value is an approximation; restated only for issuer-verified splits after the count date); weighted-average share counts are never used

InputValueUnitPeriod / dateSource
Traded price92.89USD per traded unit (share or ADS)2026-10-23Yahoo Finance
SEC shares outstanding1,150,362,966underlying shares2026-06-30SEC cover page 10-Q 0000092122-26-000054 (1,150,362,966 shares (single class on cover) (other registrants on a combined cover excluded: ALABAMA POWER CO 30,537,500; GEORGIA POWER CO 9,261,500; MISSISSIPPI POWER CO 1,121,000; SOUTHERN POWER CO 1,000; SOUTHERN Co GAS 100)); filing document https://www.sec.gov/Archives/edgar/data/92122/000009212226000054/so-20260630.htm 0000092122-26-000054
Depositary ratio1.0underlying shares per traded unit domestic 10-K filer; SEC shares are the traded units
Market value price date × latest reported shares106,857,215,912USD2026-10-23
shares at 2026-06-30
92.89 (price 2026-10-23) / 1 x 1,150,362,966 (shares at 2026-06-30) = 106,857,215,912

Graham Defensive

78 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
1 Adequate size29.55 revenue $B>= 15.0 / 5
2 Debt <= 2x equity (utility rule)1.68<= 2.030.0 / 30
3 Positive earnings each of 10 years10 of 1010 of 1015.0 / 15
4 Dividends every year for 20 years20 of 20 XBRL check: 13 years agree, 7 unverified20 of 2015.0 / 15
5 EPS growth, 3-yr avg now vs 10 yrs ago2.44 -> 3.84 (+58%)>= +33%10.0 / 10
6 P/E on 3-year average EPS24.2<= 151.2 / 15
7 P/B <= 1.5, or P/E x P/B <= 22.5P/B 2.68, product 64.7<= 1.5 or <= 22.52.2 / 10
Inputs, 37 numbers with their sources
InputValuePeriodSourceCheck
Price (close, per traded unit)92.892026-10-23Alpaca Market Data (consolidated SIP daily bar)not cross-checked
Revenue29553000000.02025-12-31 staleSEC XBRL Revenues 0000092122-26-000006unverified
current_assets9961000000.02026-03-31 staleSEC XBRL AssetsCurrent 0000092122-26-000034unverified
current_liabilities15318000000.02026-03-31 staleSEC XBRL LiabilitiesCurrent 0000092122-26-000034unverified
lt_debt67148000000.02026-03-31 staleSEC XBRL LongTermDebtAndCapitalLeaseObligations 0000092122-26-000034unverified
equity39912000000.02026-03-31 staleSEC XBRL StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 0000092122-26-000034unverified
Net income FY20162529000000.02016-12-31 historySEC XBRL ProfitLoss 0000092122-19-000006unverified
Net income FY2017926000000.02017-12-31 historySEC XBRL ProfitLoss 0000092122-20-000017unverified
Net income FY20182300000000.02018-12-31 historySEC XBRL ProfitLoss 0000092122-21-000006unverified
Net income FY20194744000000.02019-12-31 historySEC XBRL ProfitLoss 0000092122-22-000003unverified
Net income FY20203103000000.02020-12-31 historySEC XBRL ProfitLoss 0000092122-23-000012unverified
Net income FY20212309000000.02021-12-31 historySEC XBRL ProfitLoss 0000092122-24-000009unverified
Net income FY20223428000000.02022-12-31 historySEC XBRL ProfitLoss 0000092122-25-000018unverified
Net income FY20233976000000.02023-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20244401000000.02024-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20254341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Dividend years (Yahoo)[2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026] historyYahoo Finance dividend historyverified (partly: XBRL covers 13 of 20 years)
Dividends per share FY2013 (XBRL)2.01252013-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-16-000126verified
Dividends per share FY2014 (XBRL)2.08252014-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-17-000007verified
Dividends per share FY2015 (XBRL)2.15252015-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-18-000012verified
Dividends per share FY2016 (XBRL)2.22252016-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-19-000006verified
Dividends per share FY2017 (XBRL)2.32017-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-20-000017verified
Dividends per share FY2018 (XBRL)2.382018-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-21-000006verified
Dividends per share FY2019 (XBRL)2.462019-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-22-000003verified
Dividends per share FY2020 (XBRL)2.542020-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-23-000012verified
Dividends per share FY2021 (XBRL)2.622021-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-24-000009verified
Dividends per share FY2022 (XBRL)2.72022-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-25-000018verified
Dividends per share FY2023 (XBRL)2.782023-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-26-000006verified
Dividends per share FY2024 (XBRL)2.862024-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-26-000006verified
Dividends per share FY2025 (XBRL)2.942025-12-31 historySEC XBRL CommonStockDividendsPerShareCashPaid 0000092122-26-000006verified
EPS diluted FY20142.182014-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-17-000007unverified
EPS diluted FY20152.592015-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-18-000012unverified
EPS diluted FY20162.552016-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-19-000006unverified
EPS diluted FY20233.622023-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-26-000006unverified
EPS diluted FY20243.992024-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-26-000006unverified
EPS diluted FY20253.922025-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-26-000006unverified
Shares outstanding1150362966.02026-06-30SEC cover page 10-Q 0000092122-26-000054 (1,150,362,966 shares (single class on cover) (other registrants on a combined cover excluded: ALABAMA POWER CO 30,537,500; GEORGIA POWER CO 9,261,500; MISSISSIPPI POWER CO 1,121,000; SOUTHERN POWER CO 1,000; SOUTHERN Co GAS 100)); filing document https://www.sec.gov/Archives/edgar/data/92122/000009212226000054/so-20260630.htm 0000092122-26-000054not cross-checked

Magic Formula

not scored. How this is scored.

not scored.

Momentum

49 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
12-1 month return-10.3 % (percentile 24.8)12.4 / 50
6 month return0.6 % (percentile 42.7)8.5 / 20
Price / 52-week high0.95314.3 / 15
Volatility penalty (60d annualised)17.2 %14.1 / 15
Inputs, 1 numbers with their sources
InputValuePeriodSourceCheck
Adjusted close series (14 months)92.892026-10-23Yahoo Finance / Alpaca Market Data daily historynot cross-checked

Insider

0 of 100. ok. How this is scored. Form 4 data loaded through 2026-10-23

Test or factorValueThresholdPoints
Open-market buy value / market cap (percentile among buyers)0.0 bp0.0 / 35
Distinct buyers00.0 / 25
Buyer seniority0.00.0 / 20
Recency (half-life 30d)0.00.0 / 10
Sales penalty (excludes 10b5-1 plan sales)0.01 bp-0.5 / 0
Inputs, 6 numbers with their sources
InputValuePeriodSourceCheck
Form 4 S Kim Matthew M. 2026-09-03124418.02026-09-03SEC Form 4 (insider transactions data set)not cross-checked
excluded 2026-10-01 S10b5-1 planrulenot cross-checked
excluded 2026-09-03 S10b5-1 planrulenot cross-checked
excluded 2026-09-01 S10b5-1 planrulenot cross-checked
excluded 2026-08-06 S10b5-1 planrulenot cross-checked
excluded 2026-08-03 S10b5-1 planrulenot cross-checked

Buffett Quality

49 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
1 Average return on equity (net income / year-end equity)11.9% over 8 yrs>= 15%13.9 / 25
2 Profitable every year10 of 10all years15.0 / 15
3 Net income growth, 3-yr average now vs start of window+12.0% a year>= +10%10.0 / 10
4 Borrowings / 3-yr average earnings (years to repay) LongTermDebt (incl. current maturities) + short-term borrowings16.2 years<= 40.0 / 15
5 Operating margin, 5-yr average21.7%>= 20%10.0 / 10
6 Free cash flow / net income, 5-yr (operating cash flow minus capex)-0.36>= 1.00.0 / 10
7 Owner-earnings yield (3-yr avg free cash flow / market cap)-1.1%>= 7%0.0 / 15
Inputs, 50 numbers with their sources
InputValuePeriodSourceCheck
Price (close, per traded unit)92.892026-10-23Alpaca Market Data (consolidated SIP daily bar)not cross-checked
Net income FY20182300000000.02018-12-31 historySEC XBRL ProfitLoss 0000092122-21-000006unverified
Equity at FY2018 end24723000000.02018-12-31 historySEC XBRL StockholdersEquity 0000092122-20-000017unverified
Net income FY20194744000000.02019-12-31 historySEC XBRL ProfitLoss 0000092122-22-000003unverified
Equity at FY2019 end27505000000.02019-12-31 historySEC XBRL StockholdersEquity 0000092122-21-000006unverified
Net income FY20203103000000.02020-12-31 historySEC XBRL ProfitLoss 0000092122-23-000012unverified
Equity at FY2020 end27972000000.02020-12-31 historySEC XBRL StockholdersEquity 0000092122-22-000003unverified
Net income FY20212309000000.02021-12-31 historySEC XBRL ProfitLoss 0000092122-24-000009unverified
Equity at FY2021 end27874000000.02021-12-31 historySEC XBRL StockholdersEquity 0000092122-23-000012unverified
Net income FY20223428000000.02022-12-31 historySEC XBRL ProfitLoss 0000092122-25-000018unverified
Equity at FY2022 end30408000000.02022-12-31 historySEC XBRL StockholdersEquity 0000092122-24-000009unverified
Net income FY20233976000000.02023-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Equity at FY2023 end31444000000.02023-12-31 historySEC XBRL StockholdersEquity 0000092122-25-000018unverified
Net income FY20244401000000.02024-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Equity at FY2024 end33208000000.02024-12-31 historySEC XBRL StockholdersEquity 0000092122-26-000006unverified
Net income FY20254341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Equity at FY2025 end36016000000.02025-12-31 historySEC XBRL StockholdersEquity 0000092122-26-000006unverified
Net income FY20162529000000.02016-12-31 historySEC XBRL ProfitLoss 0000092122-19-000006unverified
Net income FY2017926000000.02017-12-31 historySEC XBRL ProfitLoss 0000092122-20-000017unverified
Net income FY20182300000000.02018-12-31 historySEC XBRL ProfitLoss 0000092122-21-000006unverified
Net income FY20194744000000.02019-12-31 historySEC XBRL ProfitLoss 0000092122-22-000003unverified
Net income FY20203103000000.02020-12-31 historySEC XBRL ProfitLoss 0000092122-23-000012unverified
Net income FY20212309000000.02021-12-31 historySEC XBRL ProfitLoss 0000092122-24-000009unverified
Net income FY20223428000000.02022-12-31 historySEC XBRL ProfitLoss 0000092122-25-000018unverified
Net income FY20233976000000.02023-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20244401000000.02024-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20254341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
debt_incl_current67148000000.02026-03-31 staleSEC XBRL LongTermDebtAndCapitalLeaseObligations 0000092122-26-000034unverified
debt_short1673000000.02026-03-31 staleSEC XBRL ShortTermBorrowings 0000092122-26-000034unverified
Operating income FY20213698000000.02021-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-24-000009unverified
Revenue FY202123113000000.02021-12-31 historySEC XBRL Revenues 0000092122-24-000009unverified
Operating income FY20225370000000.02022-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-25-000018unverified
Revenue FY202229279000000.02022-12-31 historySEC XBRL Revenues 0000092122-25-000018unverified
Operating income FY20235826000000.02023-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-26-000006unverified
Revenue FY202325253000000.02023-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
Operating income FY20247068000000.02024-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-26-000006unverified
Revenue FY202426724000000.02024-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
Operating income FY20257285000000.02025-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-26-000006unverified
Revenue FY202529553000000.02025-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
Operating cash flow FY20216169000000.02021-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-24-000009unverified
Capital expenditure FY20217586000000.02021-12-31 historySEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000092122-24-000009unverified
Operating cash flow FY20226302000000.02022-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-25-000018unverified
Capital expenditure FY20227923000000.02022-12-31 historySEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000092122-25-000018unverified
Operating cash flow FY20237553000000.02023-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-26-000006unverified
Capital expenditure FY20239095000000.02023-12-31 historySEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000092122-26-000006unverified
Operating cash flow FY20249788000000.02024-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-26-000006unverified
Capital expenditure FY20248955000000.02024-12-31 historySEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000092122-26-000006unverified
Operating cash flow FY20259802000000.02025-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-26-000006unverified
Capital expenditure FY202512737000000.02025-12-31 historySEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000092122-26-000006unverified
Shares outstanding1150362966.02026-06-30SEC cover page 10-Q 0000092122-26-000054 (1,150,362,966 shares (single class on cover) (other registrants on a combined cover excluded: ALABAMA POWER CO 30,537,500; GEORGIA POWER CO 9,261,500; MISSISSIPPI POWER CO 1,121,000; SOUTHERN POWER CO 1,000; SOUTHERN Co GAS 100)); filing document https://www.sec.gov/Archives/edgar/data/92122/000009212226000054/so-20260630.htm 0000092122-26-000054not cross-checked

Lynch GARP

29 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
1 PEG: P/E divided by 5-yr EPS growth (in % points)3.95<= 1.00.0 / 30
2 EPS growth, 5-yr compound rate+6.0% a year12% to 35% a year10.0 / 20
3 P/E on latest annual EPS23.7<= 2510.0 / 10
4 Borrowings / equity LongTermDebt (incl. current maturities) + short-term borrowings1.72<= 0.50.0 / 15
5 Years of the last 5 in which EPS rose3 of 55 of 59.0 / 15
6 Net cash (cash minus borrowings) / market cap-63.5%>= +10%0.0 / 10
Inputs, 7 numbers with their sources
InputValuePeriodSourceCheck
Price (close, per traded unit)92.892026-10-23Alpaca Market Data (consolidated SIP daily bar)not cross-checked
EPS diluted FY20253.922025-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-26-000006unverified
EPS diluted FY20202.932020-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-23-000012unverified
debt_incl_current67148000000.02026-03-31 staleSEC XBRL LongTermDebtAndCapitalLeaseObligations 0000092122-26-000034unverified
debt_short1673000000.02026-03-31 staleSEC XBRL ShortTermBorrowings 0000092122-26-000034unverified
equity39912000000.02026-03-31 staleSEC XBRL StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 0000092122-26-000034unverified
cash981000000.02026-03-31 staleSEC XBRL CashAndCashEquivalentsAtCarryingValue 0000092122-26-000034unverified

Graham Enterprising

35 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
1 Current ratio0.65>= 1.50.0 / 15
2 Borrowings vs working capital working capital not positive—<= 1.1x0.0 / 15
3 No earnings deficit in the last 5 years5 of 5 profitable5 of 515.0 / 15
4 Pays a current dividendyesyes10.0 / 10
5 EPS higher than five years earlier2.93 -> 3.92higher10.0 / 10
6 Price / book value per share book value used because intangibles are not separated in the dataset (Graham uses net tangible assets)2.68<= 1.20.0 / 20
7 Price / net current asset value per share (current assets minus all liabilities) net current asset value not positive—<= 0.670.0 / 15
Inputs, 13 numbers with their sources
InputValuePeriodSourceCheck
Price (close, per traded unit)92.892026-10-23Alpaca Market Data (consolidated SIP daily bar)not cross-checked
current_assets9961000000.02026-03-31 staleSEC XBRL AssetsCurrent 0000092122-26-000034unverified
current_liabilities15318000000.02026-03-31 staleSEC XBRL LiabilitiesCurrent 0000092122-26-000034unverified
Net income FY20212309000000.02021-12-31 historySEC XBRL ProfitLoss 0000092122-24-000009unverified
Net income FY20223428000000.02022-12-31 historySEC XBRL ProfitLoss 0000092122-25-000018unverified
Net income FY20233976000000.02023-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20244401000000.02024-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Net income FY20254341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
Dividend years (Yahoo)[2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026] historyYahoo Finance dividend historynot cross-checked
EPS diluted FY20253.922025-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-26-000006unverified
EPS diluted FY20202.932020-12-31 historySEC XBRL EarningsPerShareDiluted 0000092122-23-000012unverified
equity39912000000.02026-03-31 staleSEC XBRL StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 0000092122-26-000034unverified
Shares outstanding1150362966.02026-06-30SEC cover page 10-Q 0000092122-26-000054 (1,150,362,966 shares (single class on cover) (other registrants on a combined cover excluded: ALABAMA POWER CO 30,537,500; GEORGIA POWER CO 9,261,500; MISSISSIPPI POWER CO 1,121,000; SOUTHERN POWER CO 1,000; SOUTHERN Co GAS 100)); filing document https://www.sec.gov/Archives/edgar/data/92122/000009212226000054/so-20260630.htm 0000092122-26-000054not cross-checked

Piotroski F-Score

44 of 100. ok. How this is scored.

Test or factorValueThresholdPoints
1 Return on assets is positive2.8%pass = 111.11111111111111 / 11.11111111111111
2 Operating cash flow is positive9,802Mpass = 111.11111111111111 / 11.11111111111111
3 Return on assets improved on the prior year3.0% -> 2.8%pass = 10.0 / 11.11111111111111
4 Operating cash flow exceeds net income (accruals)9,802M vs 4,341Mpass = 111.11111111111111 / 11.11111111111111
5 Long-term debt / assets fell40.5% -> 42.2%pass = 10.0 / 11.11111111111111
6 Current ratio improved0.67 -> 0.65pass = 10.0 / 11.11111111111111
7 No new shares issued (share count did not rise)1,100M -> 1,150Mpass = 10.0 / 11.11111111111111
8 Operating margin improved (stand-in for gross margin, which the dataset does not carry)26.4% -> 24.7%pass = 10.0 / 11.11111111111111
9 Asset turnover (revenue / assets) improved0.18 -> 0.19pass = 111.11111111111111 / 11.11111111111111
Inputs, 27 numbers with their sources
InputValuePeriodSourceCheck
net_income 2025-12-314341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
total_assets 2025-12-31155720000000.02025-12-31 historySEC XBRL Assets 0000092122-26-000034unverified
cfo 2025-12-319802000000.02025-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-26-000006unverified
net_income 2025-12-314341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
net_income 2024-12-314401000000.02024-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
total_assets 2025-12-31155720000000.02025-12-31 historySEC XBRL Assets 0000092122-26-000034unverified
total_assets 2024-12-31145180000000.02024-12-31 historySEC XBRL Assets 0000092122-26-000006unverified
cfo 2025-12-319802000000.02025-12-31 historySEC XBRL NetCashProvidedByUsedInOperatingActivities 0000092122-26-000006unverified
net_income 2025-12-314341000000.02025-12-31 historySEC XBRL NetIncomeLoss 0000092122-26-000006unverified
lt_debt 2025-12-3165649000000.02025-12-31 historySEC XBRL LongTermDebtAndCapitalLeaseObligations 0000092122-26-000034unverified
lt_debt 2024-12-3158768000000.02024-12-31 historySEC XBRL LongTermDebtAndCapitalLeaseObligations 0000092122-26-000006unverified
total_assets 2025-12-31155720000000.02025-12-31 historySEC XBRL Assets 0000092122-26-000034unverified
total_assets 2024-12-31145180000000.02024-12-31 historySEC XBRL Assets 0000092122-26-000006unverified
current_assets 2025-12-3110917000000.02025-12-31 historySEC XBRL AssetsCurrent 0000092122-26-000034unverified
current_assets 2024-12-3110694000000.02024-12-31 historySEC XBRL AssetsCurrent 0000092122-26-000006unverified
current_liabilities 2025-12-3116888000000.02025-12-31 historySEC XBRL LiabilitiesCurrent 0000092122-26-000034unverified
current_liabilities 2024-12-3115993000000.02024-12-31 historySEC XBRL LiabilitiesCurrent 0000092122-26-000006unverified
shares_out 2026-06-301150362966.02026-06-30 historySEC cover page 10-Q 0000092122-26-000054 (1,150,362,966 shares (single class on cover) (other registrants on a combined cover excluded: ALABAMA POWER CO 30,537,500; GEORGIA POWER CO 9,261,500; MISSISSIPPI POWER CO 1,121,000; SOUTHERN POWER CO 1,000; SOUTHERN Co GAS 100)); filing document https://www.sec.gov/Archives/edgar/data/92122/000009212226000054/so-20260630.htm 0000092122-26-000054unverified
shares_out 2025-06-301100047407.02025-06-30 historySEC XBRL EntityCommonStockSharesOutstanding 0000092122-25-000076unverified
operating_income 2025-12-317285000000.02025-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-26-000006unverified
operating_income 2024-12-317068000000.02024-12-31 historySEC XBRL OperatingIncomeLoss 0000092122-26-000006unverified
revenue 2025-12-3129553000000.02025-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
revenue 2024-12-3126724000000.02024-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
revenue 2025-12-3129553000000.02025-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
revenue 2024-12-3126724000000.02024-12-31 historySEC XBRL Revenues 0000092122-26-000006unverified
total_assets 2025-12-31155720000000.02025-12-31 historySEC XBRL Assets 0000092122-26-000034unverified
total_assets 2024-12-31145180000000.02024-12-31 historySEC XBRL Assets 0000092122-26-000006unverified

Earnings record

SEC XBRL, by fiscal year (named by the calendar year it ends in); EPS split-adjusted to today's shares; each row links to the filing.

FYEndedRevenue, $MNet income, $MEPS dilutedDividendFiling
20132013-12-3117,0871,7101.87paid0000092122-16-000126
20142014-12-3118,4672,0312.18paid0000092122-17-000007
20152015-12-3117,4892,4352.59paid0000092122-18-000012
20162016-12-3119,8962,5292.55paid0000092122-19-000006
20172017-12-3123,0319260.84paid0000092122-20-000017
20182018-12-3123,4952,3002.17paid0000092122-21-000006
20192019-12-3121,4194,7444.5paid0000092122-22-000003
20202020-12-3120,3753,1032.93paid0000092122-23-000012
20212021-12-3123,1132,3092.24paid0000092122-24-000009
20222022-12-3129,2793,4283.26paid0000092122-25-000018
20232023-12-3125,2533,9763.62paid0000092122-26-000006
20242024-12-3126,7244,4013.99paid0000092122-26-000006
20252025-12-3129,5534,3413.92paid0000092122-26-000006

Insider transactions

SEC Form 4 open-market purchases and sales from the insider data sets; latest 20.

DateInsiderRoleTypeSharesPriceValue
2026-10-01Kim Matthew M.officersale plan10082.738,273
2026-09-03Kim Matthew M.officersale1,40088.87124,418
2026-09-03Sena Peter P IiiCEOsale plan4,26688.59377,925
2026-09-01Kim Matthew M.officersale plan10088.458,845
2026-08-06Spainhour Sterling A Jr.officersale plan3,33394.02313,369
2026-08-03Kim Matthew M.officersale plan10094.289,428
2026-07-01Kim Matthew M.officersale plan10095.779,577
2026-06-01Kim Matthew M.officersale10091.169,116
2026-05-01Kim Matthew M.officersale10096.579,657