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Plug Power Inc. (PLUG) Fundamental Analysis & AI Grade 2026

PLUG Nasdaq Electrical Industrial Apparatus DE CIK: 0001093691
Updated This Month • Analysis: May 13, 2026 • SEC Data: 2026-03-31
Combined AI Grade
D
85% Confidence
N/A
D
85% Conf
Pending
Analysis scheduled

📊 PLUG Key Takeaways

Revenue: $163.5M
Net Margin: -150.0%
Free Cash Flow: $-152.4M
Current Ratio: 2.36x
Debt/Equity: 0.00x
EPS: $-0.18
AI Grade: D with 85% confidence
Plug Power Inc. (PLUG) receives a D fundamental grade with 85% confidence from our AI analysis based on SEC 10-K filings. With revenue of $163.5M, net profit margin of -150.0%, and return on equity (ROE) of -32.7%, Plug Power Inc. demonstrates mixed fundamentals in the Utilities sector. Below is our complete PLUG stock analysis for 2026.

Is Plug Power Inc. (PLUG) a Good Investment?

Claude

Plug Power exhibits fundamental business model dysfunction despite 12.9% revenue growth. The company loses money on every dollar of revenue (negative gross margin of -13.2%), indicating unit economics problems that cannot be overcome by scaling. With operating cash flow of -$150M and free cash flow burning at -$152.4M annually, the company has approximately 18 months of cash runway at current burn rates, creating significant financial distress risk.

Plug Power Inc. Key Strengths (PLUG)

Claude
  • + Revenue growing at 12.9% YoY demonstrates market demand and business scaling
  • + Strong balance sheet with minimal debt ($2.1M long-term debt) and debt-to-equity of 0.00x
  • + Adequate current liquidity with $223.2M cash and 2.36x current ratio providing near-term runway

PLUG Stock Risks: Plug Power Inc. Investment Risks

Claude
  • ! Negative gross margin (-13.2%) indicates fundamental product pricing or cost structure issues that destroy value at unit level before overhead
  • ! Severe cash burn of -$152.4M annual free cash flow with limited path to profitability; cash runway exhaustion in ~18 months at current rates
  • ! Operating cash flow deeply negative (-$150M) while losses are increasing (net loss -$245.3M with net margin of -150%), signaling deteriorating business fundamentals despite revenue growth

Key Metrics to Watch

Claude
  • * Gross margin trend - must turn positive to demonstrate viable unit economics
  • * Operating cash flow burn rate and cash runway depletion timeline
  • * Cash and equivalents balance relative to quarterly burn rates for solvency risk assessment

Plug Power Inc. (PLUG) Financial Metrics & Key Ratios

Revenue
$163.5M
Net Income
$-245.3M
EPS (Diluted)
$-0.18
Free Cash Flow
$-152.4M
Total Assets
$2.4B
Cash Position
$223.2M

💡 AI Analyst Insight

Strong liquidity with a 2.36x current ratio provides a solid financial cushion.

PLUG Profit Margin, ROE & Profitability Analysis

Gross Margin -13.2%
Operating Margin -67.0%
Net Margin -150.0%
ROE -32.7%
ROA -10.4%
FCF Margin -93.2%

PLUG vs Utilities Sector: How Plug Power Inc. Compares

How Plug Power Inc. compares to Utilities sector averages

Net Margin
PLUG -150.0%
vs
Sector Avg 12.0%
PLUG Sector
ROE
PLUG -32.7%
vs
Sector Avg 10.0%
PLUG Sector
Current Ratio
PLUG 2.4x
vs
Sector Avg 0.8x
PLUG Sector
Debt/Equity
PLUG 0.0x
vs
Sector Avg 1.4x
PLUG Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Plug Power Inc. Stock Overvalued? PLUG Valuation Analysis 2026

Based on fundamental analysis, Plug Power Inc. has mixed fundamental signals relative to the Utilities sector in 2026.

Return on Equity
-32.7%
Sector avg: 10%
Net Profit Margin
-150.0%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 1.4x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Plug Power Inc. Balance Sheet: PLUG Debt, Cash & Liquidity

Current Ratio
2.36x
Quick Ratio
1.40x
Debt/Equity
0.00x
Debt/Assets
67.3%
Interest Coverage
-6.31x
Long-term Debt
$2.1M

PLUG Revenue & Earnings Growth: 5-Year Financial Trend

PLUG 5-year financial data: Year 2021: Revenue $502.3M, Net Income -$83.7M, EPS $-0.36. Year 2022: Revenue $701.4M, Net Income -$596.2M, EPS $-1.68. Year 2023: Revenue $891.3M, Net Income -$460.0M, EPS $-0.82. Year 2024: Revenue $891.3M, Net Income -$724.0M, EPS $-1.25. Year 2025: Revenue $891.3M, Net Income -$1.4B, EPS $-2.30.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Plug Power Inc.'s revenue has grown significantly by 77% over the 5-year period, indicating strong business expansion. The most recent EPS of $-2.30 indicates the company is currently unprofitable.

PLUG Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-93.2%
Free cash flow / Revenue

PLUG Quarterly Earnings & Performance

Quarterly financial performance data for Plug Power Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q2 2025 $263.6M -$227.1M $-0.20
Q2 2018 $39.9M -$25.9M N/A
Q1 2018 $29.1M -$19.8M N/A

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Plug Power Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$150.0M
Cash generated from operations
Stock Buybacks
$182.0K
Shares repurchased (TTM)
Capital Expenditures
$2.4M
Investment in assets
Dividends
None
No dividend program

PLUG SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Plug Power Inc. (CIK: 0001093691)

📋 Recent SEC Filings

Date Form Document Action
May 11, 2026 10-Q plug-20260331x10q.htm View →
May 11, 2026 8-K tm2614034d1_8k.htm View →
Apr 30, 2026 DEF 14A tm263044-1_def14a.htm View →
Apr 10, 2026 4 xslF345X06/tm2611556-6_4seq1.xml View →
Apr 10, 2026 4 xslF345X06/tm2611556-5_4seq1.xml View →

Frequently Asked Questions about PLUG

What is the AI rating for PLUG?

Plug Power Inc. (PLUG) has an AI grade of D with 85% confidence, based on fundamental analysis of SEC EDGAR filings.

What are PLUG's key strengths?

Claude: Revenue growing at 12.9% YoY demonstrates market demand and business scaling. Strong balance sheet with minimal debt ($2.1M long-term debt) and debt-to-equity of 0.00x.

What are the risks of investing in PLUG?

Claude: Negative gross margin (-13.2%) indicates fundamental product pricing or cost structure issues that destroy value at unit level before overhead. Severe cash burn of -$152.4M annual free cash flow with limited path to profitability; cash runway exhaustion in ~18 months at current rates.

What is PLUG's revenue and growth?

Plug Power Inc. reported revenue of $163.5M.

Does PLUG pay dividends?

Plug Power Inc. does not currently pay dividends.

Where can I find PLUG SEC filings?

Official SEC filings for Plug Power Inc. (CIK: 0001093691) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is PLUG's EPS?

Plug Power Inc. has a diluted EPS of $-0.18.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is PLUG's fundamental grade?

Based on our AI fundamental analysis in May 2026, Plug Power Inc. has a D grade with 85% confidence. Review the strengths and risks sections above for full context. This is not investment advice.

Is PLUG stock overvalued or undervalued?

Valuation metrics for PLUG: ROE of -32.7% (sector avg: 10%), net margin of -150.0% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

What is PLUG's AI grade for 2026?

Our dual AI analysis gives Plug Power Inc. a combined D grade for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is PLUG's free cash flow?

Plug Power Inc.'s operating cash flow is $-150.0M, with capital expenditures of $2.4M. FCF margin is -93.2%.

How does PLUG compare to other Utilities stocks?

Vs Utilities sector averages: Net margin -150.0% (avg: 12%), ROE -32.7% (avg: 10%), current ratio 2.36 (avg: 0.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 13, 2026 | Data as of: 2026-03-31 | Powered by Claude AI