Free Cash Flow for Atmos Energy (ATO)
Free Cash Flow for Atmos Energy (ATO): headline value -$1.63B · YoY +25.6%. Annual and quarterly series, chart, and tables are below.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .

ATO
Currently viewingFree Cash FlowSwitch metric
Latest period
-$1.63B
YoY change
+25.6%
5Y CAGR
N/A
Peak year (2023)
$653.77M
Latest annual
-$1.51B
Free Cash Flow history chart for Atmos Energy (ATO) from 1994 to 2025
Free Cash Flow history table for Atmos Energy (ATO) from 1994 to 2025
| Fiscal year | Period ended | Reported | Free Cash Flow | YoY |
|---|---|---|---|---|
| 2025 | -$1.51B | +25.6% | ||
| 2024 | -$1.20B | -284.1% | ||
| 2023 | $653.77M | -144.6% | ||
| 2022 | -$1.47B | -52.0% | ||
| 2021 | -$3.05B | +240.2% | ||
| 2020 | -$897.68M | +23.9% | ||
| 2019 | -$724.71M | +111.3% | ||
| 2018 | -$342.93M | +27.0% | ||
| 2017 | -$270.00M | -7.5% | ||
| 2016 | -$291.96M | +110.6% | ||
| 2015 | -$138.61M | +45.5% | ||
| 2014 | -$95.27M | -58.9% | ||
| 2013 | -$231.91M | +58.9% | ||
| 2012 | -$145.94M | +263.8% | ||
| 2011 | -$40.12M | -121.8% | ||
| 2010 | $183.84M | -55.1% | ||
| 2009 | $409.74M | -504.3% | ||
| 2008 | -$101.34M | -165.5% | ||
| 2007 | $154.66M | -235.8% | ||
| 2006 | -$113.88M | -311.8% | ||
| 2005 | $53.76M | -32.7% | ||
| 2004 | $79.88M | -172.6% | ||
| 2003 | -$109.99M | -167.8% | ||
| 2002 | $162.25M | -613.9% | ||
| 2001 | -$31.57M | +47.8% | ||
| 2000 | -$21.36M | -16.9% | ||
| 1999 | -$25.70M | -40.6% | ||
| 1998 | -$43.30M | -19.2% | ||
| 1997 | -$53.60M | +309.2% | ||
| 1996 | -$13.10M | +197.7% | ||
| 1995 | -$4.40M | -52.2% | ||
| 1994 | -$9.20M | — |
Free Cash Flow values are taken from Atmos Energy's reported cash flow statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
The 2025 reading of Atmos Energy (ATO) free cash flow is -$1.51B – grew 25.6% year-over-year.
Atmos Energy free cash flow peaked at $653.77M in 2023; the latest annual figure is -$1.51B in 2025 (331.3% below peak).
Across the available history, free cash flow reached its high of $653.77M in 2023 and its low of -$3.05B in 2021.
Among 8 Utilities peers, Atmos Energy (ATO) ranks 5th; the peer median for free cash flow is -$192.00M.
Atmos Energy Free Cash Flow by Year
Atmos Energy Free Cash Flow 2025: -$1.51B
Atmos Energy free cash flow in 2025 was -$1.51B, grew 25.6% from 2024.
Atmos Energy Free Cash Flow 2024: -$1.20B
Atmos Energy free cash flow in 2024 was -$1.20B, plunged 284.1% below 2023.
Atmos Energy Free Cash Flow 2023: $653.77M
Atmos Energy free cash flow in 2023 was $653.77M, plunged 144.6% below 2022. This figure represents the highest annual value in the available history.
Atmos Energy Free Cash Flow 2022: -$1.47B
Atmos Energy free cash flow in 2022 was -$1.47B, plunged 52.0% below 2021.
Atmos Energy Free Cash Flow 2021: -$3.05B
Atmos Energy free cash flow in 2021 was -$3.05B.
See more financial history for Atmos Energy (ATO).
Sector peers — Free Cash Flow
Companies in the same sector as Atmos Energy, ranked by their latest free cash flow.
| Company | Free Cash Flow | Sector |
|---|---|---|
| American Electric Power Company, Inc. (AEP) | $6.81B | Utilities |
| GE Vernova Inc. (GEV) | $3.71B | Utilities |
| NextEra Energy, Inc. (NEE) | $3.21B | Utilities |
| Constellation Energy Corporation (CEG) | $1.29B | Utilities |
| Duke Energy Corporation (DUK) | -$1.67B | Utilities |
| The Southern Company (SO) | -$3.59B | Utilities |
| Sempra (SRE) | -$6.05B | Utilities |
| Dominion Energy, Inc. (D) | -$7.28B | Utilities |
Frequently asked questions
What is Atmos Energy's free cash flow?
Latest reported free cash flow for Atmos Energy (ATO) is -$1.63B (period ending December 31, 2025).
How has Atmos Energy free cash flow changed year-over-year?
Atmos Energy (ATO) free cash flow changed +25.6% year-over-year on the latest annual filing.
When did Atmos Energy free cash flow hit its highest annual value?
Atmos Energy free cash flow reached its highest annual value of $653.77M in 2023.
What was Atmos Energy free cash flow in 2024?
Atmos Energy (ATO) free cash flow in 2024 was -$1.20B.
What was Atmos Energy free cash flow in 2025?
Atmos Energy (ATO) free cash flow in 2025 was -$1.51B.
Metrics overview
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ATO Overview
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