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Atmos Energy Corporation (ATO) Financial History

20 years of revenue, earnings, cash-flow and balance-sheet history from public filings.

UTILITIES · Gas Utilities · DATA UPDATED 2026-07-15

Atmos Energy Corporation (ATO) operates in the Gas Utilities industry and is headquartered in Dallas, United States with about 5,487 employees. Its market capitalization is roughly $30 billion. In the fiscal year ended 2025-09-30, ATO reported $4.7B in revenue and $1.2B in net income.

Atmos Energy Corporation, together with its subsidiaries, engages in the regulated natural gas distribution, and pipeline and storage businesses in the United States. It operates through two segments, Distribution, and Pipeline and Storage.

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ATO Revenue & Earnings History — Annual Income Statement

Income statement	TTM → 2026-03-31	2025-09-30	2024-09-30	2023-09-30	2022-09-30	2021-09-30	2020-09-30	2019-09-30	2018-09-30	2017-09-30	2016-09-30	2015-09-30	2014-09-30	2013-09-30	2012-09-30	2011-09-30	2010-09-30	2009-09-30	2008-09-30	2007-09-30	2006-09-30
Total Revenue	$4.9B	$4.7B	$4.2B	$4.3B	$4.2B	$3.4B	$2.8B	$2.9B	$3.1B	$2.8B	$2.5B	$2.9B	$4.9B	$3.9B	$3.4B	$4.3B	$4.7B	$5.0B	$7.2B	$5.9B	$6.2B
Gross Profit	$2.5B	$2.5B	$2.4B	$2.1B	$1.8B	$1.7B	$1.5B	$1.4B	$1.4B	$1.3B	$1.2B	$1.1B	$1.1B	$924M	$870M	$858M	$1.3B	$1.3B	$1.3B	$1.3B	$1.2B
Gross Margin %	51.4%	52.4%	57.9%	48.1%	43.0%	49.8%	54.3%	48.7%	43.4%	46.9%	47.7%	38.1%	21.8%	23.8%	25.3%	20.0%	28.3%	27.1%	18.3%	21.2%	19.8%
Operating Income (EBIT)	$1.8B	$1.6B	$1.4B	$1.1B	$921M	$905M	$824M	$746M	$728M	$736M	$657M	$612M	$611M	$502M	$446M	$426M	$477M	$447M	$428M	$399M	$383M
Operating Margin %	35.9%	33.2%	32.5%	25.0%	21.9%	26.6%	29.2%	25.7%	23.4%	26.7%	26.8%	20.9%	12.4%	13.0%	13.0%	9.9%	10.1%	9.0%	5.9%	6.8%	6.2%
Net Income	$1.3B	$1.2B	$1.0B	$885M	$774M	$666M	$601M	$511M	$603M	$396M	$350M	$315M	$290M	$243M	$217M	$208M	$206M	$191M	$180M	$168M	$148M
Net Margin %	27.6%	25.5%	25.0%	20.7%	18.4%	19.5%	21.3%	17.6%	19.4%	14.4%	14.3%	10.8%	5.9%	6.3%	6.3%	4.8%	4.4%	3.8%	2.5%	2.9%	2.4%
EBITDA	$2.6B	$2.4B	$2.1B	$1.7B	$1.5B	$1.4B	$1.3B	$1.1B	$1.1B	$1.0B	$950M	$886M	$860M	$739M	$678M	$681M	$694M	$661M	$631M	$598M	$569M
Earnings Per Share (EPS)	$8.16	$7.47	$6.83	$6.10	$5.61	$5.13	$4.89	$4.35	$5.43	$3.74	$3.38	$3.09	$2.97	$2.65	$2.38	$2.29	$2.23	$2.08	$2.00	$1.92	$1.82
Shares Outstanding (M)	168M	161M	153M	145M	138M	130M	123M	117M	111M	106M	104M	102M	98M	92M	91M	91M	92M	92M	90M	88M	81M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

ATO Quarterly Revenue & Earnings — Last 8 Quarters

Quarterly income statement	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Total Revenue	$2.0B	$1.3B	$737M	$839M	$2.0B	$1.2B	$658M	$702M
Gross Profit	$904M	$817M	$413M	$377M	$938M	$735M	$443M	$493M
Gross Margin %	46.1%	60.8%	56.0%	45.0%	48.1%	62.5%	67.4%	70.2%
Operating Income (EBIT)	$765M	$515M	$219M	$252M	$629M	$459M	$185M	$220M
Operating Margin %	39.0%	38.3%	29.8%	30.0%	32.2%	39.1%	28.1%	31.4%
Net Income	$582M	$403M	$175M	$186M	$486M	$352M	$134M	$166M
Net Margin %	29.6%	30.0%	23.7%	22.2%	24.9%	29.9%	20.4%	23.6%
EBITDA	$972M	$726M	$431M	$453M	$836M	$665M	$375M	$407M
Earnings Per Share (EPS)	$3.47	$2.44	$1.09	$1.16	$3.03	$2.23	$0.88	$1.08
Shares Outstanding (M)	168M	165M	161M	161M	160M	158M	153M	153M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

ATO Free Cash Flow History

Cash flow	TTM → 2026-03-31	2025-09-30	2024-09-30	2023-09-30	2022-09-30	2021-09-30	2020-09-30	2019-09-30	2018-09-30	2017-09-30	2016-09-30	2015-09-30	2014-09-30	2013-09-30	2012-09-30	2011-09-30	2010-09-30	2009-09-30	2008-09-30	2007-09-30	2006-09-30
Cash from Operations (CFO)	$1.9B	$2.0B	$1.7B	$3.5B	$978M	($1.1B)	$1.0B	$969M	$1.1B	$867M	$795M	$837M	$740M	$613M	$587M	$583M	$726M	$919M	$371M	$547M	$311M
Capital Expenditures (CapEx)	$3.9B	$3.6B	$2.9B	$2.8B	$2.4B	$2.0B	$1.9B	$1.7B	$1.5B	$1.1B	$1.1B	$975M	$835M	$845M	$733M	$623M	$543M	$509M	$472M	$392M	$425M
Free Cash Flow (FCF)	($2.0B)	($1.5B)	($1.2B)	$654M	($1.5B)	($3.1B)	($898M)	($725M)	($343M)	($270M)	($292M)	($139M)	($95M)	($232M)	($146M)	($40M)	$184M	$410M	($101M)	$155M	($114M)
FCF Margin %	-40.8%	-32.1%	-28.9%	15.3%	-34.9%	-89.6%	-31.8%	-25.0%	-11.0%	-9.8%	-11.9%	-4.7%	-1.9%	-6.0%	-4.2%	-0.9%	3.9%	8.2%	-1.4%	2.6%	-1.8%
Dividends Paid	$604M	$554M	$493M	$430M	$376M	$324M	$282M	$246M	$215M	$192M	$175M	$160M	$146M	$128M	$126M	$124M	$124M	$121M	$117M	$112M	$102M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

ATO Quarterly Free Cash Flow — Last 8 Quarters

Quarterly cash flow	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Cash from Operations (CFO)	$723M	$308M	$348M	$496M	$923M	$282M	$331M	$411M
Capital Expenditures (CapEx)	$1.0B	$1.0B	$964M	$867M	$840M	$891M	$808M	$714M
Free Cash Flow (FCF)	($280M)	($725M)	($615M)	($371M)	$83M	($609M)	($477M)	($302M)
FCF Margin %	-14.3%	-54.0%	-83.5%	-44.2%	4.3%	-51.8%	-72.5%	-43.1%
Dividends Paid	$164M	$160M	$141M	$138M	$138M	$135M	$126M	$125M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

ATO Balance Sheet History

Balance sheet	2026-03-31	2025-09-30	2024-09-30	2023-09-30	2022-09-30	2021-09-30	2020-09-30	2019-09-30	2018-09-30	2017-09-30	2016-09-30	2015-09-30	2014-09-30	2013-09-30	2012-09-30	2011-09-30	2010-09-30	2009-09-30	2008-09-30	2007-09-30	2006-09-30
Total Assets	$30.4B	$28.9B	$25.2B	$22.5B	$22.2B	$19.6B	$15.4B	$13.4B	$11.9B	$10.8B	$10.0B	$9.1B	$8.6B	$7.9B	$7.5B	$7.3B	$6.8B	$6.4B	$6.4B	$5.9B	$5.7B
Cash & Cash Equivalents	$127M	$204M	$307M	$15M	$52M	$117M	$21M	$25M	$14M	$26M	$48M	$29M	$42M	$66M	$64M	$131M	$132M	$111M	$47M	$61M	$111M
Total Liabilities	$15.5B	$15.3B	$13.0B	$11.6B	$12.8B	$11.7B	$8.6B	$7.6B	$7.1B	$6.9B	$6.5B	$5.9B	$5.5B	$5.4B	$5.1B	$5.0B	$4.6B	$4.2B	$4.3B	$3.9B	$4.1B
Total Debt (Short + Long-Term)	$9.6B	$9.1B	$7.9B	$6.9B	$8.2B	$7.4B	$4.6B	$4.0B	$3.6B	$3.5B	$3.3B	$2.9B	$2.7B	$2.8B	$2.5B	$2.4B	$2.3B	$2.2B	$2.5B	$2.3B	$2.6B
Total Shareholders' Equity	$14.9B	$13.6B	$12.2B	$10.9B	$9.4B	$7.9B	$6.8B	$5.8B	$4.8B	$3.9B	$3.5B	$3.2B	$3.1B	$2.6B	$2.4B	$2.3B	$2.2B	$2.2B	$2.1B	$2.0B	$1.6B

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive ATO viewer.

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