Energy Recovery (ERII) vs Zurn Elkay Water Solutions (ZWS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Zurn Elkay Water Solutions (ZWS) has outperformed Energy Recovery (ERII) over the past year, losing 0.4% versus a loss of 55.4%. Over five years, ZWS leads with a +30.5% price change compared with -65.7% for ERII. Zurn Elkay Water Solutions is the larger company by market cap ($7.72 billion vs $349.1 million), about 22.1 times the size.
On valuation, Energy Recovery trades at a lower forward P/E (20.4x vs 22.9x for Zurn Elkay Water Solutions). Zurn Elkay Water Solutions pays a dividend yielding 0.90%, while Energy Recovery does not currently pay one.
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 | ERII | ZWS |
|---|---|---|
| Share price | $6.84 | $46.57 |
| Market cap | $349.15M | $7.72B |
| 1-day change | 0.00% | +0.71% |
| YTD return | -49.30% | +0.17% |
| 1-year return | -55.35% | -0.41% |
| 5-year return | -65.70% | +30.52% |
| P/E ratio (TTM) | 26.31 | 28.75 |
| Forward P/E | 20.42 | 22.88 |
| EPS (TTM) | $0.26 | $1.62 |
| Dividend yield | 0.00% | 0.90% |
| Annual dividend | $0.00 | $0.42 |
| Revenue (latest FY) | — | $1.70B |
| Revenue growth (YoY) | — | +8.26% |
| Net income (latest FY) | — | $198.00M |
| Gross margin | — | 45.10% |
| Operating margin | — | 16.45% |
| Net margin | — | 11.68% |
| 52-week high | $18.32 | $55.00 |
| 52-week low | $6.60 | $43.06 |
| Distance from 52-week high | -62.66% | -15.33% |
| Analyst consensus | none | buy |
| Avg. price target upside | +16.96% | +24.54% |
| Average volume | 945.48K | 906.67K |
| Shares outstanding | 51.04M | 165.86M |
| Employees | 230 | 2,600 |
| Sector | Industrials | Industrials |
| Industry | Pollution & Treatment Controls | Pollution & Treatment Controls |
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
- Zurn Elkay Water Solutions is about 22.1 times larger than Energy Recovery by market value ($7.72B vs $349.15M).
- ZWS has outperformed ERII by 54.9 percentage points over the past year.
About Energy Recovery
ERII stock →Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the United States, North, South and Latin America, the Middle East, Northern Africa, Asia, and Europe. It operates through Water and Emerging Technologies segments.
Industrials · Pollution & Treatment Controls · 230 employees
About Zurn Elkay Water Solutions
ZWS stock →Zurn Elkay Water Solutions Corporation engages in design, procurement, manufacture, and marketing of water management solutions in the United States, Canada, and internationally. It offers water dispensing and filtration products, such as filtered bottle filling stations, water fountains and water dispensers, and filtered faucets under the Elkay and Halsey Taylor brand names; filtered units including water filters; and water safety and control products, such as backflow preventers, fire system valves, pressure reducing valves, and thermostatic mixing valves under the Zurn and Wilkins brand names.
Industrials · Pollution & Treatment Controls · 2,600 employees
ERII vs ZWS FAQ
Which is bigger, Energy Recovery or Zurn Elkay Water Solutions?
Zurn Elkay Water Solutions (ZWS) is larger, with a market capitalization of $7.72B compared with $349.15M for Energy Recovery (ERII).
Which stock has performed better over the past year, ERII or ZWS?
ZWS returned -0.41% over the past 12 months, compared with -55.35% for ERII (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ERII or ZWS?
ERII has the lower trailing P/E at 26.3, versus 28.7 for ZWS. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Energy Recovery or Zurn Elkay Water Solutions?
Zurn Elkay Water Solutions pays a dividend yielding 0.90%, while Energy Recovery does not currently pay a regular dividend.
Are Energy Recovery and Zurn Elkay Water Solutions in the same industry?
Yes. Both are classified in the Pollution & Treatment Controls industry within the Industrials sector.