What is Plug Power's price / book?

Plug Power (PLUG) reported price / book of 4.2× in Q1 2026.

How has Plug Power's price / book changed year-over-year?

Plug Power's price / book increased by 494.9% year-over-year, from 0.7× to 4.2×.

What is the long-term trend for Plug Power's price / book?

Over 5 years (2020 to 2025), Plug Power's price / book has grown at a -25.1% compound annual growth rate (CAGR), from 11.9× to 2.8×.

What does price / book mean?

Market capitalization at the quarter end divided by shareholders' equity. The premium (or discount) the market assigns to the company's book equity.

Plug Power PLUG Price / book

Price / book at other companies

Bloom EnergyBE

41.3×+33.4×

Generac HoldingsGNRC

4.3×+1.2×

FluorFLR

2.3×+0.6×

Franklin ElectricFELE

3×-0.3×

Chart IndustriesGTLS

3.1×+0.9×

KBRKBR

3×-1.9×

Other financials

Income statement

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Revenue$163.5M+22.3%

Gross profit-$21.6M+70.7%

Operating income-$109.5M+38.6%

Net income-$245.3M-24.7%

EPS (diluted)-$0.18+14.3%

Balance sheet

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Cash & equivalents$223.2M-24.6%

Total debt$263.3M-22.5%

Total equity$749.8M-59.6%

Total assets$2.4B-34.8%

Cash flow

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Operating cash flow-$150.0M-42.1%

CapEx$2.4M-94.0%

Free cash flow-$152.4M-4.4%

Valuation

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Market cap$3.98B+140%

Enterprise value$4.02B+135%

P/S5.4×+2.8×

Profitability

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Gross margin-26.4%-10.7pp

Operating margin-189%-51.4pp

Net margin-227.1%-48.7pp

FCF margin-88.3%-23.9pp

Returns & leverage

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Return on equity-128.9%+150pp

Debt / equity0.4×+0.2×

Current ratio2.4×+0.4×

Where this comes from

Calculated from Plug Power’s reported figures.

market cap/total stockholders equity=4.2×

Based on the most recent quarter.

The official record: Plug Power’s 10-Q, filed May 11, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Plug Power's price / book?: Plug Power (PLUG) reported price / book of 4.2× in Q1 2026.
How has Plug Power's price / book changed year-over-year?: Plug Power's price / book increased by 494.9% year-over-year, from 0.7× to 4.2×.
What is the long-term trend for Plug Power's price / book?: Over 5 years (2020 to 2025), Plug Power's price / book has grown at a -25.1% compound annual growth rate (CAGR), from 11.9× to 2.8×.
What does price / book mean?: Market capitalization at the quarter end divided by shareholders' equity. The premium (or discount) the market assigns to the company's book equity.