Advanced Energy Industries (AEIS) vs Plug Power (PLUG)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Advanced Energy Industries (AEIS) has outperformed Plug Power (PLUG) over the past year, gaining 62.5% versus a loss of 54.0%. Over five years, AEIS leads with a +221.4% price change compared with -94.3% for PLUG. Advanced Energy Industries is the larger company by market cap ($11.38 billion vs $2.42 billion), about 4.7 times the size.
Advanced Energy Industries pays a dividend yielding 0.14%, while Plug Power does not currently pay one. Advanced Energy Industries converts more of its revenue into profit, with a net margin of 8.2% versus -229.8%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AEIS | PLUG |
|---|---|---|
| Share price | $284.24 | $1.73 |
| Market cap | $11.38B | $2.42B |
| 1-day change | -2.74% | -2.81% |
| YTD return | +35.76% | -9.64% |
| 1-year return | +62.50% | -54.01% |
| 5-year return | +221.39% | -94.30% |
| P/E ratio (TTM) | 52.64 | — |
| Forward P/E | 18.53 | — |
| EPS (TTM) | $5.40 | $-1.31 |
| Dividend yield | 0.14% | 0.00% |
| Annual dividend | $0.40 | $0.00 |
| Revenue (latest FY) | $1.80B | $709.92M |
| Revenue growth (YoY) | +21.38% | +12.90% |
| Net income (latest FY) | $148.40M | $-1.63B |
| Gross margin | 37.66% | -34.09% |
| Operating margin | 9.34% | -206.70% |
| Net margin | 8.25% | -229.83% |
| 52-week high | $397.44 | $4.33 |
| 52-week low | $169.36 | $1.70 |
| Distance from 52-week high | -28.48% | -60.05% |
| Analyst consensus | strong_buy | hold |
| Avg. price target upside | +50.96% | +104.62% |
| Average volume | 579.43K | 53.13M |
| Shares outstanding | 40.05M | 1.40B |
| Employees | 13,000 | 2,344 |
| Sector | Technology | Energy |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Advanced Energy Industries is about 4.7 times larger than Plug Power by market value ($11.38B vs $2.42B).
- AEIS has outperformed PLUG by 116.5 percentage points over the past year.
- Advanced Energy Industries is more profitable, keeping 8.2 cents of every revenue dollar as net income versus -229.8 cents for Plug Power.
- Advanced Energy Industries grew revenue faster in its latest fiscal year (+21.38% vs +12.90%).
- The two companies sit in different sectors: Advanced Energy Industries in Technology and Plug Power in Energy.
About Advanced Energy Industries
AEIS stock →Advanced Energy Industries, Inc. provides precision power conversion, measurement, and control solutions in the United States, Asia, Europe, and internationally.
Technology · Industrial Machinery/Components · 13,000 employees
About Plug Power
PLUG stock →Plug Power Inc. designs, develops, and sells hydrogen products and solutions in Europe, Australia, North America, and internationally.
Energy · Industrial Machinery/Components · 2,344 employees
AEIS vs PLUG FAQ
Which is bigger, Advanced Energy Industries or Plug Power?
Advanced Energy Industries (AEIS) is larger, with a market capitalization of $11.38B compared with $2.42B for Plug Power (PLUG).
Which stock has performed better over the past year, AEIS or PLUG?
AEIS returned +62.50% over the past 12 months, compared with -54.01% for PLUG (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Advanced Energy Industries or Plug Power?
Advanced Energy Industries pays a dividend yielding 0.14%, while Plug Power does not currently pay a regular dividend.
Are Advanced Energy Industries and Plug Power in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.