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

Clean Energy Fuels Corp. is the larger business by last-quarter revenue ($2.0B vs $1.0B, roughly 1.9× First Solar). First Solar runs the higher net margin — 33.2% vs -6.7%, a 39.9% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs -0.0%). Over the past eight quarters, Clean Energy Fuels Corp.'s revenue compounded faster (354.7% CAGR vs 1.7%).

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...

First Solar, Inc. is a publicly traded American manufacturer of solar panels. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc. It provides end-of-life panel recycling at each of its manufacturing facilities.

CLNE vs FSLR — Head-to-Head

Bigger by revenue
CLNE
CLNE
1.9× larger
CLNE
$2.0B
$1.0B
FSLR
Growing faster (revenue YoY)
FSLR
FSLR
+23.7% gap
FSLR
23.6%
-0.0%
CLNE
Higher net margin
FSLR
FSLR
39.9% more per $
FSLR
33.2%
-6.7%
CLNE
Faster 2-yr revenue CAGR
CLNE
CLNE
Annualised
CLNE
354.7%
1.7%
FSLR

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CLNE
CLNE
FSLR
FSLR
Revenue
$2.0B
$1.0B
Net Profit
$-135.0M
$346.6M
Gross Margin
46.6%
Operating Margin
88.6%
33.1%
Net Margin
-6.7%
33.2%
Revenue YoY
-0.0%
23.6%
Net Profit YoY
65.4%
EPS (diluted)
$3.22

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
CLNE
CLNE
FSLR
FSLR
Q1 26
$2.0B
$1.0B
Q4 25
$112.3M
$1.7B
Q3 25
$106.1M
$1.6B
Q2 25
$102.6M
$1.1B
Q1 25
$103.8M
$844.6M
Q4 24
$109.3M
$1.5B
Q3 24
$104.9M
$887.7M
Q2 24
$98.0M
$1.0B
Net Profit
CLNE
CLNE
FSLR
FSLR
Q1 26
$-135.0M
$346.6M
Q4 25
$-43.0M
$520.9M
Q3 25
$-23.8M
$455.9M
Q2 25
$-20.2M
$341.9M
Q1 25
$-135.0M
$209.5M
Q4 24
$-30.2M
$393.1M
Q3 24
$-18.2M
$313.0M
Q2 24
$-16.3M
$349.4M
Gross Margin
CLNE
CLNE
FSLR
FSLR
Q1 26
46.6%
Q4 25
39.5%
Q3 25
38.3%
Q2 25
45.6%
Q1 25
40.8%
Q4 24
37.5%
Q3 24
50.2%
Q2 24
49.4%
Operating Margin
CLNE
CLNE
FSLR
FSLR
Q1 26
88.6%
33.1%
Q4 25
-9.5%
32.6%
Q3 25
-12.8%
29.2%
Q2 25
-9.0%
33.0%
Q1 25
-121.7%
26.2%
Q4 24
-11.8%
30.2%
Q3 24
-8.1%
36.3%
Q2 24
-5.7%
36.9%
Net Margin
CLNE
CLNE
FSLR
FSLR
Q1 26
-6.7%
33.2%
Q4 25
-38.3%
31.0%
Q3 25
-22.4%
28.6%
Q2 25
-19.7%
31.2%
Q1 25
-130.1%
24.8%
Q4 24
-27.6%
26.0%
Q3 24
-17.3%
35.3%
Q2 24
-16.6%
34.6%
EPS (diluted)
CLNE
CLNE
FSLR
FSLR
Q1 26
$3.22
Q4 25
$-0.21
$4.84
Q3 25
$-0.11
$4.24
Q2 25
$-0.09
$3.18
Q1 25
$-0.60
$1.95
Q4 24
$-0.14
$3.66
Q3 24
$-0.08
$2.91
Q2 24
$-0.07
$3.25

Balance Sheet & Financial Strength

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

Metric
CLNE
CLNE
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$552.0K
$2.4B
Total DebtLower is stronger
$52.0K
$425.8M
Stockholders' EquityBook value
$565.1M
$9.9B
Total Assets
$1.1B
$13.4B
Debt / EquityLower = less leverage
0.00×
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLNE
CLNE
FSLR
FSLR
Q1 26
$552.0K
$2.4B
Q4 25
$156.1M
$2.8B
Q3 25
$232.2M
$2.0B
Q2 25
$240.8M
$1.1B
Q1 25
$226.6M
$837.6M
Q4 24
$217.5M
$1.6B
Q3 24
$243.5M
$1.0B
Q2 24
$249.3M
$1.7B
Total Debt
CLNE
CLNE
FSLR
FSLR
Q1 26
$52.0K
$425.8M
Q4 25
$226.8M
Q3 25
$284.3M
Q2 25
$277.9M
Q1 25
$271.6M
Q4 24
$265.4M
Q3 24
$264.1M
Q2 24
$263.0M
Stockholders' Equity
CLNE
CLNE
FSLR
FSLR
Q1 26
$565.1M
$9.9B
Q4 25
$559.4M
$9.5B
Q3 25
$585.2M
$9.0B
Q2 25
$590.8M
$8.5B
Q1 25
$596.7M
$8.2B
Q4 24
$713.3M
$8.0B
Q3 24
$724.8M
$7.6B
Q2 24
$723.0M
$7.3B
Total Assets
CLNE
CLNE
FSLR
FSLR
Q1 26
$1.1B
$13.4B
Q4 25
$1.1B
$13.3B
Q3 25
$1.1B
$13.5B
Q2 25
$1.1B
$12.9B
Q1 25
$1.1B
$12.1B
Q4 24
$1.2B
$12.1B
Q3 24
$1.2B
$11.4B
Q2 24
$1.2B
$11.0B
Debt / Equity
CLNE
CLNE
FSLR
FSLR
Q1 26
0.00×
0.04×
Q4 25
0.41×
Q3 25
0.49×
Q2 25
0.47×
Q1 25
0.46×
Q4 24
0.37×
Q3 24
0.36×
Q2 24
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
CLNE
CLNE
FSLR
FSLR
Operating Cash FlowLast quarter
$-214.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.62×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLNE
CLNE
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$13.1M
$1.2B
Q3 25
$13.1M
$1.3B
Q2 25
$35.9M
$149.6M
Q1 25
$23.4M
$-608.0M
Q4 24
$21.9M
$811.0M
Q3 24
$21.4M
$-53.7M
Q2 24
$18.8M
$193.0M
Free Cash Flow
CLNE
CLNE
FSLR
FSLR
Q1 26
Q4 25
$6.5M
$1.1B
Q3 25
$6.5M
$1.1B
Q2 25
$30.9M
$-138.6M
Q1 25
$15.9M
$-813.9M
Q4 24
$10.3M
$497.5M
Q3 24
$42.0K
$-487.7M
Q2 24
$4.8M
$-172.1M
FCF Margin
CLNE
CLNE
FSLR
FSLR
Q1 26
Q4 25
5.8%
63.6%
Q3 25
6.1%
67.1%
Q2 25
30.2%
-12.6%
Q1 25
15.4%
-96.4%
Q4 24
9.5%
32.9%
Q3 24
0.0%
-54.9%
Q2 24
4.9%
-17.0%
Capex Intensity
CLNE
CLNE
FSLR
FSLR
Q1 26
Q4 25
5.9%
10.2%
Q3 25
6.2%
12.8%
Q2 25
4.8%
26.3%
Q1 25
7.2%
24.4%
Q4 24
10.5%
20.7%
Q3 24
20.3%
48.9%
Q2 24
14.2%
36.1%
Cash Conversion
CLNE
CLNE
FSLR
FSLR
Q1 26
-0.62×
Q4 25
2.38×
Q3 25
2.79×
Q2 25
0.44×
Q1 25
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
0.55×

Financial Flow Comparison

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

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