Energy Recovery, Inc. (ERII) Revenue History
Annual and quarterly revenue from 2014 to 2025
Compound Annual Growth Rate (CAGR)
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ERII Revenue Growth
Revenue Breakdown (FY 2025)
ERII's revenue distribution by segment and geography for fiscal year 2025
By Product/Segment
By Geography
ERII Revenue Analysis (2014–2025)
As of May 6, 2026, Energy Recovery, Inc. (ERII) generated trailing twelve-month (TTM) revenue of $126.8 million, reflecting significant decline in growth of -97.5% year-over-year. The most recent quarter (Q1 2026) recorded $198,000 in revenue, down 99.7% sequentially.
Looking at the longer-term picture, ERII's 5-year compound annual growth rate (CAGR) stands at +7.9%, indicating steady revenue expansion. The company achieved its highest annual revenue of $144.9 million in 2024.
Revenue diversification analysis shows ERII's business is primarily driven by Water Segment (100%), and Emerging Technologies Segment (0%). With over half of revenue concentrated in Water Segment, the company maintains significant focus in this area while developing other growth vectors.
When compared to Industrials sector peers including FELE (+8.0% YoY), PUMP (-15.6% YoY), and HLIO (+4.1% YoY), ERII has underperformed the peer group in terms of revenue growth. Compare ERII vs FELE →
ERII Revenue vs Peers
Revenue metrics vs comparable public companies
| Company | TTM Revenue | YoY Growth | 5Y CAGR | Op. Margin | Compare |
|---|---|---|---|---|---|
| ERIICurrent | $127M | -97.5% | +7.9% | 18.2% | |
 FELE | $2.1B | +8.0% | +11.3% | 12.7% | |
 PUMP | $1.3B | -15.6% | +10.0% | 1.5% | |
 HLIO | $839M | +4.1% | +9.9% | 7.9% | |
 PNR | $4.2B | +3.1% | +6.7% | 20.5% | |
 XYL | $9.0B | +5.7% | +13.1% | 13.5% |
ERII Historical Revenue Data (2014–2025)
| Year | Revenue | YoY % | Gross Profit | Gross Margin | Op. Income | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | $134.7M | -7.1% | $87.8M | 65.2% | $24.6M | 18.2% |
| 2024 | $144.9M | +12.9% | $96.9M | 66.9% | $19.7M | 13.6% |
| 2023 | $128.3M | +2.2% | $87.1M | 67.8% | $19.1M | 14.8% |
| 2022 | $125.6M | +20.9% | $87.4M | 69.6% | $24.8M | 19.8% |
| 2021 | $103.9M | +12.8% | $71.2M | 68.6% | $13.8M | 13.3% |
| 2020 | $92.1M | +26.4% | $63.8M | 69.3% | $31.3M | 34.0% |
| 2019 | $72.8M | -2.3% | $52.5M | 72.1% | $10.4M | 14.2% |
| 2018 | $74.5M | +18.0% | $56.6M | 76.0% | $10.0M | 13.4% |
| 2017 | $63.2M | +15.4% | $44.1M | 69.8% | $3.3M | 5.2% |
| 2016 | $54.7M | +22.4% | $36.9M | 67.4% | $357K | 0.7% |
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Start ComparisonERII — Frequently Asked Questions
Quick answers to the most common questions about buying ERII stock.
Is ERII's revenue growth accelerating or slowing?
ERII revenue declined -97.5% year-over-year, contrasting with the 5-year CAGR of +7.9%. TTM revenue fell to $127M. This reverses the prior growth trend.
What is ERII's long-term revenue growth rate?
Energy Recovery, Inc.'s 5-year revenue CAGR of +7.9% reflects the variable expansion pattern. Current YoY growth of -97.5% is below this long-term average.
How is ERII's revenue distributed by segment?
ERII reports revenue by product line and geographic region. Annual and quarterly breakdowns from 2014-2025 are available for download. Segment mix reveals concentration and diversification trends.