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Side-by-side financial comparison of PREFORMED LINE PRODUCTS CO (PLPC) 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 $173.1M, roughly 1.3× PREFORMED LINE PRODUCTS CO). PREFORMED LINE PRODUCTS CO runs the higher net margin — 4.9% vs -375.6%, a 380.5% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs 3.6%). PREFORMED LINE PRODUCTS CO produced more free cash flow last quarter ($11.8M vs $-153.0M). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs 10.8%).

Preformed Line Products Co (PLPC) designs, manufactures and supplies engineered hardware for power transmission, telecommunications, and renewable energy infrastructure sectors. It serves utility, network operator and industrial customers across global regions, offering solutions that boost network reliability and operational efficiency.

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.

PLPC vs PLUG — Head-to-Head

Bigger by revenue
PLUG
PLUG
1.3× larger
PLUG
$225.2M
$173.1M
PLPC
Growing faster (revenue YoY)
PLUG
PLUG
+14.0% gap
PLUG
17.6%
3.6%
PLPC
Higher net margin
PLPC
PLPC
380.5% more per $
PLPC
4.9%
-375.6%
PLUG
More free cash flow
PLPC
PLPC
$164.8M more FCF
PLPC
$11.8M
$-153.0M
PLUG
Faster 2-yr revenue CAGR
PLUG
PLUG
Annualised
PLUG
36.8%
10.8%
PLPC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PLPC
PLPC
PLUG
PLUG
Revenue
$173.1M
$225.2M
Net Profit
$8.4M
$-846.0M
Gross Margin
29.8%
2.4%
Operating Margin
6.8%
-338.9%
Net Margin
4.9%
-375.6%
Revenue YoY
3.6%
17.6%
Net Profit YoY
-19.3%
36.7%
EPS (diluted)
$1.72
$-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
PLPC
PLPC
PLUG
PLUG
Q4 25
$173.1M
$225.2M
Q3 25
$178.1M
$177.1M
Q2 25
$169.6M
$174.0M
Q1 25
$148.5M
$133.7M
Q4 24
$167.1M
$191.5M
Q3 24
$147.0M
$173.7M
Q2 24
$138.7M
$143.3M
Q1 24
$140.9M
$120.3M
Net Profit
PLPC
PLPC
PLUG
PLUG
Q4 25
$8.4M
$-846.0M
Q3 25
$2.6M
$-361.9M
Q2 25
$12.7M
$-227.1M
Q1 25
$11.5M
$-196.7M
Q4 24
$10.5M
$-1.3B
Q3 24
$7.7M
$-211.2M
Q2 24
$9.4M
$-262.3M
Q1 24
$9.6M
$-295.8M
Gross Margin
PLPC
PLPC
PLUG
PLUG
Q4 25
29.8%
2.4%
Q3 25
29.7%
-67.9%
Q2 25
32.7%
-30.7%
Q1 25
32.8%
-55.3%
Q4 24
33.3%
-122.5%
Q3 24
31.1%
-57.6%
Q2 24
31.9%
-91.6%
Q1 24
31.3%
-132.3%
Operating Margin
PLPC
PLPC
PLUG
PLUG
Q4 25
6.8%
-338.9%
Q3 25
7.4%
-197.0%
Q2 25
10.1%
-101.7%
Q1 25
8.8%
-133.5%
Q4 24
10.5%
-678.7%
Q3 24
7.1%
-124.4%
Q2 24
8.1%
-170.7%
Q1 24
8.2%
-215.7%
Net Margin
PLPC
PLPC
PLUG
PLUG
Q4 25
4.9%
-375.6%
Q3 25
1.5%
-204.4%
Q2 25
7.5%
-130.5%
Q1 25
7.8%
-147.1%
Q4 24
6.3%
-697.5%
Q3 24
5.2%
-121.5%
Q2 24
6.8%
-183.0%
Q1 24
6.8%
-245.9%
EPS (diluted)
PLPC
PLPC
PLUG
PLUG
Q4 25
$1.72
$-0.70
Q3 25
$0.53
$-0.31
Q2 25
$2.56
$-0.20
Q1 25
$2.33
$-0.21
Q4 24
$2.13
$-1.61
Q3 24
$1.54
$-0.25
Q2 24
$1.89
$-0.36
Q1 24
$1.94
$-0.46

Balance Sheet & Financial Strength

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

Metric
PLPC
PLPC
PLUG
PLUG
Cash + ST InvestmentsLiquidity on hand
$368.5M
Total DebtLower is stronger
$38.3M
Stockholders' EquityBook value
$475.5M
$978.1M
Total Assets
$653.6M
$2.6B
Debt / EquityLower = less leverage
0.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PLPC
PLPC
PLUG
PLUG
Q4 25
$368.5M
Q3 25
$165.9M
Q2 25
$140.7M
Q1 25
$295.8M
Q4 24
$205.7M
Q3 24
$93.9M
Q2 24
$62.4M
Q1 24
$172.9M
Total Debt
PLPC
PLPC
PLUG
PLUG
Q4 25
$38.3M
Q3 25
$36.0M
Q2 25
$31.8M
Q1 25
$29.1M
Q4 24
$20.8M
Q3 24
$27.2M
$3.9M
Q2 24
$31.6M
$3.7M
Q1 24
$55.0M
$3.8M
Stockholders' Equity
PLPC
PLPC
PLUG
PLUG
Q4 25
$475.5M
$978.1M
Q3 25
$466.3M
$1.4B
Q2 25
$460.7M
$1.7B
Q1 25
$435.8M
$1.9B
Q4 24
$422.3M
$1.7B
Q3 24
$429.0M
$3.0B
Q2 24
$416.2M
$3.0B
Q1 24
$413.4M
$2.9B
Total Assets
PLPC
PLPC
PLUG
PLUG
Q4 25
$653.6M
$2.6B
Q3 25
$644.6M
$3.1B
Q2 25
$631.5M
$3.4B
Q1 25
$592.5M
$3.6B
Q4 24
$573.9M
$3.6B
Q3 24
$592.0M
$4.7B
Q2 24
$572.6M
$4.8B
Q1 24
$586.1M
$4.8B
Debt / Equity
PLPC
PLPC
PLUG
PLUG
Q4 25
0.08×
Q3 25
0.08×
Q2 25
0.07×
Q1 25
0.07×
Q4 24
0.05×
Q3 24
0.06×
0.00×
Q2 24
0.08×
0.00×
Q1 24
0.13×
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
PLPC
PLPC
PLUG
PLUG
Operating Cash FlowLast quarter
$21.9M
$-148.6M
Free Cash FlowOCF − Capex
$11.8M
$-153.0M
FCF MarginFCF / Revenue
6.8%
-67.9%
Capex IntensityCapex / Revenue
5.9%
1.9%
Cash ConversionOCF / Net Profit
2.60×
TTM Free Cash FlowTrailing 4 quarters
$33.3M
$-647.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PLPC
PLPC
PLUG
PLUG
Q4 25
$21.9M
$-148.6M
Q3 25
$18.9M
$-89.8M
Q2 25
$26.9M
$-191.8M
Q1 25
$5.7M
$-105.6M
Q4 24
$24.1M
$-131.2M
Q3 24
$9.4M
$-174.9M
Q2 24
$28.3M
$-254.7M
Q1 24
$5.8M
$-167.7M
Free Cash Flow
PLPC
PLPC
PLUG
PLUG
Q4 25
$11.8M
$-153.0M
Q3 25
$8.3M
$-117.5M
Q2 25
$18.6M
$-230.4M
Q1 25
$-5.3M
$-146.0M
Q4 24
$20.6M
$-165.2M
Q3 24
$5.8M
$-234.2M
Q2 24
$24.6M
$-356.0M
Q1 24
$1.8M
$-260.3M
FCF Margin
PLPC
PLPC
PLUG
PLUG
Q4 25
6.8%
-67.9%
Q3 25
4.7%
-66.4%
Q2 25
10.9%
-132.5%
Q1 25
-3.6%
-109.2%
Q4 24
12.3%
-86.3%
Q3 24
3.9%
-134.8%
Q2 24
17.7%
-248.4%
Q1 24
1.3%
-216.5%
Capex Intensity
PLPC
PLPC
PLUG
PLUG
Q4 25
5.9%
1.9%
Q3 25
6.0%
15.6%
Q2 25
4.9%
22.2%
Q1 25
7.4%
30.3%
Q4 24
2.1%
17.7%
Q3 24
2.4%
34.1%
Q2 24
2.7%
70.7%
Q1 24
2.8%
77.0%
Cash Conversion
PLPC
PLPC
PLUG
PLUG
Q4 25
2.60×
Q3 25
7.21×
Q2 25
2.12×
Q1 25
0.49×
Q4 24
2.30×
Q3 24
1.22×
Q2 24
3.02×
Q1 24
0.60×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PLPC
PLPC

Segment breakdown not available.

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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