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Side-by-side financial comparison of Atmos Energy (ATO) and Clean Energy Fuels Corp. (CLNE). Click either name above to swap in a different company.

Atmos Energy is the larger business by last-quarter revenue ($1.3B vs $112.3M, roughly 12.0× Clean Energy Fuels Corp.). Atmos Energy runs the higher net margin — 30.0% vs -38.3%, a 68.3% gap on every dollar of revenue. On growth, Atmos Energy posted the faster year-over-year revenue change (14.2% vs 2.7%). Clean Energy Fuels Corp. produced more free cash flow last quarter ($6.5M vs $-725.3M). Over the past eight quarters, Clean Energy Fuels Corp.'s revenue compounded faster (4.1% CAGR vs -9.7%).

Atmos Energy Corporation, headquartered in Dallas, Texas, is one of the United States' largest natural-gas-only distributors, serving about three million natural gas distribution customers in over 1,400 communities in nine states from the Blue Ridge Mountains in the East to the Rocky Mountains in the West.

Bloom Energy is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite for power generation in data centers, manufacturing, and other commercial sectors. Founded in 2001 and headquartered in San Jose, California; its fuel cell technology generates electricity through a chemical conversion process, which differs from most other power sources reliant on combustion, and can use natural gas, biogas or hydrogen as fuel...

ATO vs CLNE — Head-to-Head

Bigger by revenue
ATO
ATO
12.0× larger
ATO
$1.3B
$112.3M
CLNE
Growing faster (revenue YoY)
ATO
ATO
+11.4% gap
ATO
14.2%
2.7%
CLNE
Higher net margin
ATO
ATO
68.3% more per $
ATO
30.0%
-38.3%
CLNE
More free cash flow
CLNE
CLNE
$731.8M more FCF
CLNE
$6.5M
$-725.3M
ATO
Faster 2-yr revenue CAGR
CLNE
CLNE
Annualised
CLNE
4.1%
-9.7%
ATO

Income Statement — Q1 2026 vs Q4 2025

Metric
ATO
ATO
CLNE
CLNE
Revenue
$1.3B
$112.3M
Net Profit
$403.0M
$-43.0M
Gross Margin
Operating Margin
38.3%
-9.5%
Net Margin
30.0%
-38.3%
Revenue YoY
14.2%
2.7%
Net Profit YoY
14.5%
-42.6%
EPS (diluted)
$2.44
$-0.21

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATO
ATO
CLNE
CLNE
Q4 25
$1.3B
$112.3M
Q3 25
$737.5M
$106.1M
Q2 25
$838.8M
$102.6M
Q1 25
$2.0B
$103.8M
Q4 24
$1.2B
$109.3M
Q3 24
$657.9M
$104.9M
Q2 24
$701.5M
$98.0M
Q1 24
$1.6B
$103.7M
Net Profit
ATO
ATO
CLNE
CLNE
Q4 25
$403.0M
$-43.0M
Q3 25
$174.9M
$-23.8M
Q2 25
$186.4M
$-20.2M
Q1 25
$485.6M
$-135.0M
Q4 24
$351.9M
$-30.2M
Q3 24
$134.0M
$-18.2M
Q2 24
$165.6M
$-16.3M
Q1 24
$432.0M
$-18.4M
Gross Margin
ATO
ATO
CLNE
CLNE
Q4 25
Q3 25
Q2 25
Q1 25
60.0%
Q4 24
80.1%
Q3 24
Q2 24
Q1 24
62.1%
Operating Margin
ATO
ATO
CLNE
CLNE
Q4 25
38.3%
-9.5%
Q3 25
29.8%
-12.8%
Q2 25
30.1%
-9.0%
Q1 25
32.2%
-121.7%
Q4 24
39.1%
-11.8%
Q3 24
28.1%
-8.1%
Q2 24
31.4%
-5.7%
Q1 24
33.4%
-9.0%
Net Margin
ATO
ATO
CLNE
CLNE
Q4 25
30.0%
-38.3%
Q3 25
23.7%
-22.4%
Q2 25
22.2%
-19.7%
Q1 25
24.9%
-130.1%
Q4 24
29.9%
-27.6%
Q3 24
20.4%
-17.3%
Q2 24
23.6%
-16.6%
Q1 24
26.2%
-17.8%
EPS (diluted)
ATO
ATO
CLNE
CLNE
Q4 25
$2.44
$-0.21
Q3 25
$1.04
$-0.11
Q2 25
$1.16
$-0.09
Q1 25
$3.03
$-0.60
Q4 24
$2.23
$-0.14
Q3 24
$0.82
$-0.08
Q2 24
$1.08
$-0.07
Q1 24
$2.85
$-0.08

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATO
ATO
CLNE
CLNE
Cash + ST InvestmentsLiquidity on hand
$367.0M
$156.1M
Total DebtLower is stronger
$9.6B
$226.8M
Stockholders' EquityBook value
$14.3B
$559.4M
Total Assets
$29.8B
$1.1B
Debt / EquityLower = less leverage
0.67×
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATO
ATO
CLNE
CLNE
Q4 25
$367.0M
$156.1M
Q3 25
$202.7M
$232.2M
Q2 25
$709.4M
$240.8M
Q1 25
$543.5M
$226.6M
Q4 24
$584.5M
$217.5M
Q3 24
$307.3M
$243.5M
Q2 24
$674.6M
$249.3M
Q1 24
$262.5M
$248.9M
Total Debt
ATO
ATO
CLNE
CLNE
Q4 25
$9.6B
$226.8M
Q3 25
$8.9B
$284.3M
Q2 25
$8.9B
$277.9M
Q1 25
$8.4B
$271.6M
Q4 24
$8.4B
$265.4M
Q3 24
$7.8B
$264.1M
Q2 24
$7.8B
$263.0M
Q1 24
$7.4B
$262.0M
Stockholders' Equity
ATO
ATO
CLNE
CLNE
Q4 25
$14.3B
$559.4M
Q3 25
$13.6B
$585.2M
Q2 25
$13.4B
$590.8M
Q1 25
$13.1B
$596.7M
Q4 24
$12.8B
$713.3M
Q3 24
$12.2B
$724.8M
Q2 24
$12.2B
$723.0M
Q1 24
$11.6B
$722.9M
Total Assets
ATO
ATO
CLNE
CLNE
Q4 25
$29.8B
$1.1B
Q3 25
$28.2B
$1.1B
Q2 25
$27.7B
$1.1B
Q1 25
$27.0B
$1.1B
Q4 24
$26.5B
$1.2B
Q3 24
$25.2B
$1.2B
Q2 24
$24.9B
$1.2B
Q1 24
$24.0B
$1.2B
Debt / Equity
ATO
ATO
CLNE
CLNE
Q4 25
0.67×
0.41×
Q3 25
0.66×
0.49×
Q2 25
0.67×
0.47×
Q1 25
0.64×
0.46×
Q4 24
0.66×
0.37×
Q3 24
0.64×
0.36×
Q2 24
0.64×
0.36×
Q1 24
0.64×
0.36×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATO
ATO
CLNE
CLNE
Operating Cash FlowLast quarter
$308.1M
$13.1M
Free Cash FlowOCF − Capex
$-725.3M
$6.5M
FCF MarginFCF / Revenue
-54.0%
5.8%
Capex IntensityCapex / Revenue
77.0%
5.9%
Cash ConversionOCF / Net Profit
0.76×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B
$59.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATO
ATO
CLNE
CLNE
Q4 25
$308.1M
$13.1M
Q3 25
$348.1M
$13.1M
Q2 25
$496.4M
$35.9M
Q1 25
$922.9M
$23.4M
Q4 24
$282.0M
$21.9M
Q3 24
$330.7M
$21.4M
Q2 24
$411.2M
$18.8M
Q1 24
$746.6M
$2.6M
Free Cash Flow
ATO
ATO
CLNE
CLNE
Q4 25
$-725.3M
$6.5M
Q3 25
$-615.5M
$6.5M
Q2 25
$-370.6M
$30.9M
Q1 25
$83.3M
$15.9M
Q4 24
$-609.2M
$10.3M
Q3 24
$-477.3M
$42.0K
Q2 24
$-302.4M
$4.8M
Q1 24
$100.7M
$-15.6M
FCF Margin
ATO
ATO
CLNE
CLNE
Q4 25
-54.0%
5.8%
Q3 25
-83.5%
6.1%
Q2 25
-44.2%
30.2%
Q1 25
4.3%
15.4%
Q4 24
-51.8%
9.5%
Q3 24
-72.5%
0.0%
Q2 24
-43.1%
4.9%
Q1 24
6.1%
-15.1%
Capex Intensity
ATO
ATO
CLNE
CLNE
Q4 25
77.0%
5.9%
Q3 25
130.7%
6.2%
Q2 25
103.4%
4.8%
Q1 25
43.0%
7.2%
Q4 24
75.8%
10.5%
Q3 24
122.8%
20.3%
Q2 24
101.7%
14.2%
Q1 24
39.2%
17.6%
Cash Conversion
ATO
ATO
CLNE
CLNE
Q4 25
0.76×
Q3 25
1.99×
Q2 25
2.66×
Q1 25
1.90×
Q4 24
0.80×
Q3 24
2.47×
Q2 24
2.48×
Q1 24
1.73×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ATO
ATO

Distribution Segment$1.3B94%
Transportation Revenue$41.5M3%
Other$39.4M3%
Miscellaneous Revenue$2.8M0%

CLNE
CLNE

Volume Related Fuel Sales$73.6M66%
Services$15.1M13%
Station Construction Sales$10.7M9%
Volume Related Renewable Identification Number Credits$9.5M8%
Volume Related Low Carbon Fuel Standard Credits$3.4M3%

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