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Side-by-side financial comparison of Clean Energy Fuels Corp. (CLNE) and Empire State Realty OP, L.P. (ESBA). Click either name above to swap in a different company.

Empire State Realty OP, L.P. is the larger business by last-quarter revenue ($199.2M vs $112.3M, roughly 1.8× Clean Energy Fuels Corp.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs -38.3%, a 54.4% gap on every dollar of revenue. On growth, Clean Energy Fuels Corp. posted the faster year-over-year revenue change (2.7% vs 0.8%). Empire State Realty OP, L.P. produced more free cash flow last quarter ($50.6M vs $6.5M). Over the past eight quarters, Empire State Realty OP, L.P.'s revenue compounded faster (4.9% CAGR vs 4.1%).

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...

Empire State Realty OP, L.P. is a real estate operating partnership focused on owning, managing, and leasing premium commercial and retail properties primarily in the New York City metropolitan area. Its portfolio includes iconic landmarks like the Empire State Building, serving corporate tenants, retail brands and tourism-related business segments.

CLNE vs ESBA — Head-to-Head

Bigger by revenue
ESBA
ESBA
1.8× larger
ESBA
$199.2M
$112.3M
CLNE
Growing faster (revenue YoY)
CLNE
CLNE
+1.9% gap
CLNE
2.7%
0.8%
ESBA
Higher net margin
ESBA
ESBA
54.4% more per $
ESBA
16.1%
-38.3%
CLNE
More free cash flow
ESBA
ESBA
$44.1M more FCF
ESBA
$50.6M
$6.5M
CLNE
Faster 2-yr revenue CAGR
ESBA
ESBA
Annualised
ESBA
4.9%
4.1%
CLNE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CLNE
CLNE
ESBA
ESBA
Revenue
$112.3M
$199.2M
Net Profit
$-43.0M
$32.2M
Gross Margin
Operating Margin
-9.5%
17.8%
Net Margin
-38.3%
16.1%
Revenue YoY
2.7%
0.8%
Net Profit YoY
-42.6%
71.2%
EPS (diluted)
$-0.21
$0.11

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
ESBA
ESBA
Q4 25
$112.3M
$199.2M
Q3 25
$106.1M
$197.7M
Q2 25
$102.6M
$191.3M
Q1 25
$103.8M
$180.1M
Q4 24
$109.3M
$197.6M
Q3 24
$104.9M
$199.6M
Q2 24
$98.0M
$189.5M
Q1 24
$103.7M
$181.2M
Net Profit
CLNE
CLNE
ESBA
ESBA
Q4 25
$-43.0M
$32.2M
Q3 25
$-23.8M
$13.6M
Q2 25
$-20.2M
$11.4M
Q1 25
$-135.0M
$15.8M
Q4 24
$-30.2M
$18.8M
Q3 24
$-18.2M
$22.8M
Q2 24
$-16.3M
$28.6M
Q1 24
$-18.4M
$10.2M
Operating Margin
CLNE
CLNE
ESBA
ESBA
Q4 25
-9.5%
17.8%
Q3 25
-12.8%
19.9%
Q2 25
-9.0%
18.4%
Q1 25
-121.7%
14.3%
Q4 24
-11.8%
21.7%
Q3 24
-8.1%
22.7%
Q2 24
-5.7%
20.8%
Q1 24
-9.0%
17.1%
Net Margin
CLNE
CLNE
ESBA
ESBA
Q4 25
-38.3%
16.1%
Q3 25
-22.4%
6.9%
Q2 25
-19.7%
6.0%
Q1 25
-130.1%
8.8%
Q4 24
-27.6%
9.5%
Q3 24
-17.3%
11.4%
Q2 24
-16.6%
15.1%
Q1 24
-17.8%
5.6%
EPS (diluted)
CLNE
CLNE
ESBA
ESBA
Q4 25
$-0.21
$0.11
Q3 25
$-0.11
$0.05
Q2 25
$-0.09
$0.04
Q1 25
$-0.60
$0.05
Q4 24
$-0.14
$0.07
Q3 24
$-0.08
$0.08
Q2 24
$-0.07
$0.10
Q1 24
$-0.08
$0.03

Balance Sheet & Financial Strength

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

Metric
CLNE
CLNE
ESBA
ESBA
Cash + ST InvestmentsLiquidity on hand
$156.1M
$132.7M
Total DebtLower is stronger
$226.8M
Stockholders' EquityBook value
$559.4M
Total Assets
$1.1B
$4.5B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLNE
CLNE
ESBA
ESBA
Q4 25
$156.1M
$132.7M
Q3 25
$232.2M
$154.1M
Q2 25
$240.8M
$94.6M
Q1 25
$226.6M
$187.8M
Q4 24
$217.5M
$385.5M
Q3 24
$243.5M
$421.9M
Q2 24
$249.3M
$535.5M
Q1 24
$248.9M
$333.6M
Total Debt
CLNE
CLNE
ESBA
ESBA
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
Q1 24
$262.0M
Stockholders' Equity
CLNE
CLNE
ESBA
ESBA
Q4 25
$559.4M
Q3 25
$585.2M
Q2 25
$590.8M
Q1 25
$596.7M
Q4 24
$713.3M
Q3 24
$724.8M
Q2 24
$723.0M
Q1 24
$722.9M
Total Assets
CLNE
CLNE
ESBA
ESBA
Q4 25
$1.1B
$4.5B
Q3 25
$1.1B
$4.1B
Q2 25
$1.1B
$4.1B
Q1 25
$1.1B
$4.1B
Q4 24
$1.2B
$4.5B
Q3 24
$1.2B
$4.4B
Q2 24
$1.2B
$4.4B
Q1 24
$1.2B
$4.2B
Debt / Equity
CLNE
CLNE
ESBA
ESBA
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×
Q1 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
ESBA
ESBA
Operating Cash FlowLast quarter
$13.1M
$249.1M
Free Cash FlowOCF − Capex
$6.5M
$50.6M
FCF MarginFCF / Revenue
5.8%
25.4%
Capex IntensityCapex / Revenue
5.9%
99.6%
Cash ConversionOCF / Net Profit
7.74×
TTM Free Cash FlowTrailing 4 quarters
$59.9M
$109.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLNE
CLNE
ESBA
ESBA
Q4 25
$13.1M
$249.1M
Q3 25
$13.1M
$105.3M
Q2 25
$35.9M
$26.7M
Q1 25
$23.4M
$83.1M
Q4 24
$21.9M
$260.9M
Q3 24
$21.4M
$102.8M
Q2 24
$18.8M
$37.1M
Q1 24
$2.6M
$70.9M
Free Cash Flow
CLNE
CLNE
ESBA
ESBA
Q4 25
$6.5M
$50.6M
Q3 25
$6.5M
$72.8M
Q2 25
$30.9M
$-55.1M
Q1 25
$15.9M
$41.1M
Q4 24
$10.3M
$88.0M
Q3 24
$42.0K
$-65.1M
Q2 24
$4.8M
$19.5M
Q1 24
$-15.6M
$23.2M
FCF Margin
CLNE
CLNE
ESBA
ESBA
Q4 25
5.8%
25.4%
Q3 25
6.1%
36.8%
Q2 25
30.2%
-28.8%
Q1 25
15.4%
22.8%
Q4 24
9.5%
44.5%
Q3 24
0.0%
-32.6%
Q2 24
4.9%
10.3%
Q1 24
-15.1%
12.8%
Capex Intensity
CLNE
CLNE
ESBA
ESBA
Q4 25
5.9%
99.6%
Q3 25
6.2%
16.5%
Q2 25
4.8%
42.8%
Q1 25
7.2%
23.4%
Q4 24
10.5%
87.5%
Q3 24
20.3%
84.1%
Q2 24
14.2%
9.3%
Q1 24
17.6%
26.3%
Cash Conversion
CLNE
CLNE
ESBA
ESBA
Q4 25
7.74×
Q3 25
7.72×
Q2 25
2.35×
Q1 25
5.27×
Q4 24
13.88×
Q3 24
4.51×
Q2 24
1.30×
Q1 24
6.94×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

ESBA
ESBA

Real Estate Segment$163.8M82%
Observatory Segment$35.2M18%

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