Energy Recovery, Inc. ERII

Company Overview

Energy Recovery, Inc. is a U.S.-based industrial technology company focused on energy efficiency solutions for high-pressure fluid flow applications. The company is best known for its pressure exchanger technology, which captures and reuses hydraulic energy in industrial processes. Energy Recovery operates primarily in the water infrastructure and industrial process sectors, with its largest exposure historically tied to seawater reverse osmosis desalination systems. The company’s technologies are designed to reduce energy consumption, lower operating costs, and improve system reliability in demanding industrial environments.

The company’s principal revenue drivers include sales of energy recovery devices, pumps, turbochargers, and related aftermarket services. Its flagship product platform, the PX Pressure Exchanger, is widely deployed in desalination facilities globally and has become a recognized technology standard in many large-scale seawater desalination projects. Energy Recovery was founded in the 1990s and evolved from a niche desalination technology provider into a broader industrial energy efficiency company, expanding into adjacent markets such as refrigeration, wastewater treatment, and industrial fluid handling through internal development and targeted acquisitions.