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Side-by-side financial comparison of Empire State Realty OP, L.P. (ESBA) and PLUG POWER INC (PLUG). Click either name above to swap in a different company.

PLUG POWER INC is the larger business by last-quarter revenue ($225.2M vs $199.2M, roughly 1.1× Empire State Realty OP, L.P.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs -375.6%, a 391.8% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs 0.8%). Empire State Realty OP, L.P. produced more free cash flow last quarter ($50.6M vs $-153.0M). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs 4.9%).

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.

Plug Power Inc. is an American company engaged in the development of hydrogen fuel cell and electrolyzer systems that replace conventional batteries in equipment and vehicles powered by electricity. The company is headquartered in Slingerlands, New York, and has facilities in Spokane, Washington, and Rochester, New York.

ESBA vs PLUG — Head-to-Head

Bigger by revenue
PLUG
PLUG
1.1× larger
PLUG
$225.2M
$199.2M
ESBA
Growing faster (revenue YoY)
PLUG
PLUG
+16.8% gap
PLUG
17.6%
0.8%
ESBA
Higher net margin
ESBA
ESBA
391.8% more per $
ESBA
16.1%
-375.6%
PLUG
More free cash flow
ESBA
ESBA
$203.6M more FCF
ESBA
$50.6M
$-153.0M
PLUG
Faster 2-yr revenue CAGR
PLUG
PLUG
Annualised
PLUG
36.8%
4.9%
ESBA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ESBA
ESBA
PLUG
PLUG
Revenue
$199.2M
$225.2M
Net Profit
$32.2M
$-846.0M
Gross Margin
2.4%
Operating Margin
17.8%
-338.9%
Net Margin
16.1%
-375.6%
Revenue YoY
0.8%
17.6%
Net Profit YoY
71.2%
36.7%
EPS (diluted)
$0.11
$-0.70

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
ESBA
ESBA
PLUG
PLUG
Q4 25
$199.2M
$225.2M
Q3 25
$197.7M
$177.1M
Q2 25
$191.3M
$174.0M
Q1 25
$180.1M
$133.7M
Q4 24
$197.6M
$191.5M
Q3 24
$199.6M
$173.7M
Q2 24
$189.5M
$143.3M
Q1 24
$181.2M
$120.3M
Net Profit
ESBA
ESBA
PLUG
PLUG
Q4 25
$32.2M
$-846.0M
Q3 25
$13.6M
$-361.9M
Q2 25
$11.4M
$-227.1M
Q1 25
$15.8M
$-196.7M
Q4 24
$18.8M
$-1.3B
Q3 24
$22.8M
$-211.2M
Q2 24
$28.6M
$-262.3M
Q1 24
$10.2M
$-295.8M
Gross Margin
ESBA
ESBA
PLUG
PLUG
Q4 25
2.4%
Q3 25
-67.9%
Q2 25
-30.7%
Q1 25
-55.3%
Q4 24
-122.5%
Q3 24
-57.6%
Q2 24
-91.6%
Q1 24
-132.3%
Operating Margin
ESBA
ESBA
PLUG
PLUG
Q4 25
17.8%
-338.9%
Q3 25
19.9%
-197.0%
Q2 25
18.4%
-101.7%
Q1 25
14.3%
-133.5%
Q4 24
21.7%
-678.7%
Q3 24
22.7%
-124.4%
Q2 24
20.8%
-170.7%
Q1 24
17.1%
-215.7%
Net Margin
ESBA
ESBA
PLUG
PLUG
Q4 25
16.1%
-375.6%
Q3 25
6.9%
-204.4%
Q2 25
6.0%
-130.5%
Q1 25
8.8%
-147.1%
Q4 24
9.5%
-697.5%
Q3 24
11.4%
-121.5%
Q2 24
15.1%
-183.0%
Q1 24
5.6%
-245.9%
EPS (diluted)
ESBA
ESBA
PLUG
PLUG
Q4 25
$0.11
$-0.70
Q3 25
$0.05
$-0.31
Q2 25
$0.04
$-0.20
Q1 25
$0.05
$-0.21
Q4 24
$0.07
$-1.61
Q3 24
$0.08
$-0.25
Q2 24
$0.10
$-0.36
Q1 24
$0.03
$-0.46

Balance Sheet & Financial Strength

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

Metric
ESBA
ESBA
PLUG
PLUG
Cash + ST InvestmentsLiquidity on hand
$132.7M
$368.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$978.1M
Total Assets
$4.5B
$2.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESBA
ESBA
PLUG
PLUG
Q4 25
$132.7M
$368.5M
Q3 25
$154.1M
$165.9M
Q2 25
$94.6M
$140.7M
Q1 25
$187.8M
$295.8M
Q4 24
$385.5M
$205.7M
Q3 24
$421.9M
$93.9M
Q2 24
$535.5M
$62.4M
Q1 24
$333.6M
$172.9M
Total Debt
ESBA
ESBA
PLUG
PLUG
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$3.9M
Q2 24
$3.7M
Q1 24
$3.8M
Stockholders' Equity
ESBA
ESBA
PLUG
PLUG
Q4 25
$978.1M
Q3 25
$1.4B
Q2 25
$1.7B
Q1 25
$1.9B
Q4 24
$1.7B
Q3 24
$3.0B
Q2 24
$3.0B
Q1 24
$2.9B
Total Assets
ESBA
ESBA
PLUG
PLUG
Q4 25
$4.5B
$2.6B
Q3 25
$4.1B
$3.1B
Q2 25
$4.1B
$3.4B
Q1 25
$4.1B
$3.6B
Q4 24
$4.5B
$3.6B
Q3 24
$4.4B
$4.7B
Q2 24
$4.4B
$4.8B
Q1 24
$4.2B
$4.8B
Debt / Equity
ESBA
ESBA
PLUG
PLUG
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
ESBA
ESBA
PLUG
PLUG
Operating Cash FlowLast quarter
$249.1M
$-148.6M
Free Cash FlowOCF − Capex
$50.6M
$-153.0M
FCF MarginFCF / Revenue
25.4%
-67.9%
Capex IntensityCapex / Revenue
99.6%
1.9%
Cash ConversionOCF / Net Profit
7.74×
TTM Free Cash FlowTrailing 4 quarters
$109.3M
$-647.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESBA
ESBA
PLUG
PLUG
Q4 25
$249.1M
$-148.6M
Q3 25
$105.3M
$-89.8M
Q2 25
$26.7M
$-191.8M
Q1 25
$83.1M
$-105.6M
Q4 24
$260.9M
$-131.2M
Q3 24
$102.8M
$-174.9M
Q2 24
$37.1M
$-254.7M
Q1 24
$70.9M
$-167.7M
Free Cash Flow
ESBA
ESBA
PLUG
PLUG
Q4 25
$50.6M
$-153.0M
Q3 25
$72.8M
$-117.5M
Q2 25
$-55.1M
$-230.4M
Q1 25
$41.1M
$-146.0M
Q4 24
$88.0M
$-165.2M
Q3 24
$-65.1M
$-234.2M
Q2 24
$19.5M
$-356.0M
Q1 24
$23.2M
$-260.3M
FCF Margin
ESBA
ESBA
PLUG
PLUG
Q4 25
25.4%
-67.9%
Q3 25
36.8%
-66.4%
Q2 25
-28.8%
-132.5%
Q1 25
22.8%
-109.2%
Q4 24
44.5%
-86.3%
Q3 24
-32.6%
-134.8%
Q2 24
10.3%
-248.4%
Q1 24
12.8%
-216.5%
Capex Intensity
ESBA
ESBA
PLUG
PLUG
Q4 25
99.6%
1.9%
Q3 25
16.5%
15.6%
Q2 25
42.8%
22.2%
Q1 25
23.4%
30.3%
Q4 24
87.5%
17.7%
Q3 24
84.1%
34.1%
Q2 24
9.3%
70.7%
Q1 24
26.3%
77.0%
Cash Conversion
ESBA
ESBA
PLUG
PLUG
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

ESBA
ESBA

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

PLUG
PLUG

Sales Of Equipment And Related Infrastructure$111.6M50%
Services Performed On Fuel Cell Systems And Related Infrastructure$41.5M18%
Power Purchase Agreements$36.1M16%
Sale Of Cryogenic Equipment$20.0M9%
Sales Of Fuel Cell Systems$11.2M5%
Other$4.8M2%

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