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If You Invested in Energy Recovery Inc (ERII)

Special Industry Machinery, Nec · Pollution & Treatment Controls · NASDAQ
Looking for the live price? See the ERII quote & overview
$1,000 invested 1 Year Ago
$667
-33.3% total -33.4% CAGR
Bought on Jul 10, 2025 at $13.38
$1,000 invested 5 Years Ago
$416
-58.4% total -16.1% CAGR
Bought on Jul 12, 2021 at $21.47

What $1,000 or $10,000 in ERII Would Be Worth Today

Real historical value by amount invested and how long ago
If you invested 1 year ago 5 years ago 10 years ago Since Jul 13, 2015
$1,000 $667 -33% $416 -58% $969 -3% $3,189 +219%
$10,000 $6,674 -33% $4,159 -58% $9,685 -3% $31,893 +219%

Based on real historical closing prices through the latest market close. Past performance does not guarantee future results.

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$1,000 Investment Over Time

ERII vs S&P 500

Year-by-Year Returns

ERII annual performance
Year Start Price End Price Annual Return Cumulative
2017 $10.77 $8.75 -18.8% -18.8%
2018 $8.93 $6.73 -24.6% -37.5%
2019 $6.87 $9.79 +42.5% -9.1%
2020 $9.74 $13.64 +40.0% +26.6%
2021 $13.75 $21.49 +56.3% +99.5%
2022 $21.50 $20.49 -4.7% +90.3%
2023 $20.62 $18.84 -8.6% +74.9%
2024 $18.88 $14.70 -22.1% +36.5%
2025 $14.89 $13.49 -9.4% +25.3%
2026 $13.72 $8.93 -34.9% -17.1%

About Energy Recovery Inc

Special Industry Machinery, Nec · NASDAQ

Energy Recovery, Inc. (Nasdaq: ERII) is an engineering-driven technology company focused on energy efficiency and sustainability. According to the company’s public disclosures, Energy Recovery designs and manufactures energy-saving technology for critical infrastructure that communities rely on every day. The company highlights more than 30 years of leadership in the desalination industry and uses a proprietary pressure exchanger technology platform to improve operations and lower emissions for customers across multiple industries.

Energy Recovery states that it is headquartered in the San Francisco Bay Area and operates manufacturing and research and development facilities in California, with some disclosures also noting facilities in Texas. The company reports that it provides sales and on-site technical support globally, positioning its technology in markets where energy efficiency and operational reliability are central concerns.

Business focus and technology platform

In its descriptions, Energy Recovery characterizes itself as a trusted global leader in energy efficiency technology. The company’s platform is built on its pressure exchanger technology, which it describes as the basis for reliable, high-performance solutions that generate cost savings, increase energy efficiency, and reduce carbon emissions in several industries. The firm emphasizes a strong foundation in desalination, where it has delivered solutions for more than three decades.

Energy Recovery’s earlier profile information notes that the company is engaged in engineering, designing, manufacturing, and supplying solutions that make industrial processes more efficient and sustainable. It has described its operations in terms of three segments: Water, Emerging Technologies, and Corporate. Within this framework, the company has indicated that it offers energy recovery devices and pumps, as well as related products and services, to the reverse osmosis desalination market, with a majority of revenue historically derived from the Water segment.

Water segment and desalination heritage

The Water segment is central to Energy Recovery’s identity as presented in its public materials. The company’s long-standing role in desalination is repeatedly cited, with references to more than 30 years of experience in this area. Through this segment, Energy Recovery reports that it delivers solutions that optimize operations and support environmental sustainability for customers worldwide. Historical disclosures also associate this segment with energy recovery devices and pumps used in reverse osmosis desalination processes.

Supplemental financial information released by the company breaks out revenue channels such as megaprojects, original equipment manufacturer (OEM) sales, and aftermarket activity. These channel disclosures appear within the context of the Water-focused business and illustrate how the company categorizes revenue sources within its overall water-related operations.

Emerging Technologies and corporate activities

Energy Recovery identifies an Emerging Technologies segment in its financial reporting. Segment tables in the company’s filings and press releases distinguish between Water, Emerging Technologies, and Corporate activities, with separate reporting of revenue, cost of revenue, operating expenses, and operating income or loss. While detailed product descriptions for Emerging Technologies are not provided in the supplied materials, the segment structure indicates that the company is investing in applications of its technology platform beyond its core desalination heritage.

The Corporate segment captures shared functions such as general and administrative activities, sales and marketing, and research and development that are not allocated solely to Water or Emerging Technologies. Segment disclosures in the company’s financial tables show how these costs and activities are distributed across the organization.

Geographic footprint and facilities

Energy Recovery states that it is headquartered in the San Francisco Bay Area. Across several news releases, the company explains that it has manufacturing and research and development facilities in California, and in one release it notes facilities across California and Texas. The company also reports that it maintains sales and on-site technical support capabilities available globally, indicating that its customer base and operational focus extend beyond the United States, even though specific countries are not listed in the provided materials.

Financial reporting and performance measures

Energy Recovery regularly publishes quarterly and annual financial results, including revenue, gross margin, operating margin, net income or loss, and cash flow information. The company’s press releases and related 8-K filings provide detailed tables of revenue by channel (megaproject, OEM, aftermarket) and by segment (Water, Emerging Technologies, Corporate). These disclosures show how management evaluates performance across different parts of the business.

In addition to GAAP metrics, Energy Recovery makes extensive use of non-GAAP financial measures. The company defines and reports adjusted operating margin, adjusted net income or loss, adjusted net income or loss per share, adjusted EBITDA, and free cash flow. It explains that these measures exclude items such as stock-based compensation, executive transition costs, restructuring charges, impairment of long-lived assets, and certain tax effects, as well as depreciation and amortization and other income or expense in the case of adjusted EBITDA. The company states that it uses these non-GAAP measures to analyze operating performance, develop internal budgets and financial goals, and facilitate period-to-period comparisons.

Capital allocation and share repurchase programs

Energy Recovery’s disclosures describe an active capital allocation approach that includes share repurchase programs. Press releases and an 8-K filing detail Board authorizations for repurchasing outstanding common stock over specified periods. The company notes that purchases may be made through open market trades, block trades, or privately negotiated transactions, subject to business, economic, market, regulatory, and pricing considerations. It also states that these programs do not obligate the company to acquire a specific number of shares and may be expanded, extended, modified, or discontinued without prior notice. The company has indicated that repurchases are expected to be funded with cash on hand.

Management, governance, and strategic focus

Energy Recovery’s public communications highlight a focus on technical, operational, and cultural excellence. In one announcement, the company describes leadership changes, including the appointment of a new Chief Technology Officer and a Vice President, Wastewater, with the stated goal of advancing strategy and accelerating revenue growth in specific application areas such as municipal and industrial wastewater treatment. The company also references a manufacturing transformation and cost management initiatives in the context of margin improvement.

Through these disclosures, Energy Recovery presents a strategic emphasis on profitable, sustained growth across multiple markets, supported by its pressure exchanger technology platform, ongoing research and development, and targeted leadership appointments. The company also notes recognition such as an award for innovation in desalination technology, which it attributes in part to internal product management and technical support capabilities.

Stock information and regulatory filings

Energy Recovery’s common stock trades on the Nasdaq exchange under the ticker symbol ERII. The company files periodic and current reports with the U.S. Securities and Exchange Commission (SEC), including Forms 10-K, 10-Q, and 8-K. For example, the provided 8-K filings report the release of quarterly earnings and the authorization of share repurchase programs. These filings, along with the company’s financial press releases, form the primary regulatory record of its financial condition, results of operations, and certain corporate actions.

Sector classification

The input data classifies Energy Recovery within the Manufacturing sector and the Iron and Steel Forging industry. At the same time, the company’s own descriptions characterize it as an energy efficiency and technology-focused manufacturer that designs and produces energy-saving equipment and related solutions for industrial and infrastructure applications, with a core presence in desalination and broader ambitions across multiple industries.

Market Cap
$0.4B
Current Price
$8.93
EPS
$0.42
Revenue
$0.1B
Net Margin
17.0%
View full ERII overview

Frequently Asked Questions

Energy Recovery Inc investment returns

How much would $1,000 invested in Energy Recovery Inc be worth today?

If you invested $1,000 in Energy Recovery Inc (ERII) 10 years ago on 2016-07-11, your investment would be worth $969 today, representing a -3.1% total return, growing at a compounded rate of -0.3% per year (CAGR).

Has Energy Recovery Inc outperformed the S&P 500?

Over the past 10 years, ERII returned -3.1% compared to +252.3% for the S&P 500, underperforming the benchmark by 255.4 percentage points.

What is Energy Recovery Inc's average annual return?

The compound annual growth rate (CAGR) of ERII over the past 10 years is -0.3%, growing at a compounded rate each year. Individual years vary significantly — ERII's best recent year was 2021 (+56.3%) and worst was 2026 (-34.9%).

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