Previous winners
2023: Reverse Osmosis Concentrate Recovery System, Surry Power Station, Surry County, Virginia
2022: Infinite Cooling Inc.’s Cooling Tower Water Recovery System, Cambridge, Massachusetts
2021: Rollin M. Schahfer Generating Station, Wheatfield, Indiana
2020: Saltworks Technologies’ Monovalent Electrodialysis Reversal Project for FGD Wastewater Treatment
2019: Parker Dam, Parker, Arizona
2018: Mirfa Independent Water and Power Plant, Abu Dhabi, United Arab Emirates
2017: Southern California Edison Closed Circuit Reverse Osmosis System
2016: Huaneng Power’s Changxing Station ZLD Project, China
2015: Tampa Electric Co.’s Polk Power Station Reclaimed Water Project
2014: Jeffrey Energy Center’s Constructed Wetland Treatment System