Company: The Southern Company
Ticker: SO
Form: 10-K
Filed: 2026-02-19
Fiscal Period: {"fp": "FY", "fy": 2025}

Question: What was The Southern Company's operating cash flow margin in fiscal year 2025?
Question Type: derived_ratio

Concept: NetCashProvidedByUsedInOperatingActivities
Revenues
Answer (Numeric): 33.17
Answer (Display): 33.17%
Unit: percent

Evidence:
[{"chunk_id": "314", "equivalent_chunk_ids": ["314"], "section": "CONSOLIDATED STATEMENTS OF CASH FLOWS", "supports": ["numerator", "denominator"], "text": "For the Years Ended December 31, 2025, 2024, and 2023\nSouthern Company and Subsidiary Companies\n(in millions)\nOperating Activities:\nConsolidated net income\n4,171\n4,260\n3,849\nAdjustments to reconcile consolidated net income\nto net cash provided from operating activities —\nDepreciation and amortization, total\n6,030\n5,266\n4,986\nDeferred income taxes\nAllowance for equity funds used during construction\nPension, postretirement, and other employee benefits\nSettlement of asset retirement obligations\nStorm damage and reliability reserve accruals\nStock based compensation expense\nLoss on extinguishment of debt\nRetail fuel cost under recovery – long-term\nStorm damage cost recovery – long-term\nOther, net\nChanges in certain current assets and liabilities —\n-Receivables\n-Retail fuel cost under recovery\n-Fossil fuel for generation\n-Materials and supplies\n-Natural gas cost under recovery\n-Other current assets\n-Accounts payable\n-Accrued interest\n-Accrued taxes\n-Customer refunds\n-Natural gas cost over recovery\n-Other current liabilities\nNet cash provided from operating activities\n9,802\n9,788\n7,553\nInvesting Activities:\nProperty additions\n12,737\n8,955\n9,095\nBusiness acquisition\nNuclear decommissioning trust fund purchases\n1,702\n1,551\n1,142\nNuclear decommissioning trust fund sales\n1,685\n1,535\n1,121\nProceeds from dispositions\nCost of removal, net of salvage\nChange in construction payables, net\nPayments pursuant to LTSAs\nOther investing activities\nNet cash used for investing activities\n13,959\n9,400\n9,668\nFinancing Activities:\nIncrease (decrease) in notes payable, net\nProceeds —\nLong-term debt\n12,470\n6,159\n8,972\nShort-term borrowings\nCommon stock\n1,623\nRedemptions and repurchases —\nLong-term debt\n5,464\n2,222\n4,294\nShort-term borrowings\n1,020\n1,630\nDistributions to noncontrolling interests\nPurchase of membership interests from noncontrolling interests\nPayment of common stock dividends\n3,015\n2,954\n3,035\nOther financing activities\nNet cash provided from (used for) financing activities\n4,696\nNet Change in Cash, Cash Equivalents, and Restricted Cash\n1,116\nCash, Cash Equivalents, and Restricted Cash at Beginning of Year\n1,101\n2,037\nCash, Cash Equivalents, and Restricted Cash at End of Year\n1,640\n1,101\nSupplemental Cash Flow Information:\nCash paid during the period for —\nInterest (net of $\n, and $\ncapitalized, respectively)\n2,692\n2,538\n2,184\nIncome taxes, net (excludes credit transfers)\nNoncash transactions —\nAccrued property additions at year-end\n1,473\n1,199\n1,027\nLTSA credits utilized from the sale of spare parts\nIssuance of common stock under dividend reinvestment plan\nThe accompanying notes are an integral part of these consolidated financial statements.\nII-73\nIndex to Financial Statements"}]

Derivation: {"denominator": "revenue", "denominator_value": 29553.0, "format": "percentage", "numerator": "operating_cash_flow", "numerator_value": 9802.0, "op": "divide"}