The city of Hillsboro, Oregon, has launched a $400,000 micro-hydropower project using a prototype of In-PRV, a new technology that generates clean, carbon-free energy as it reduces excess pressure in drinking water pipelines. The pressure-reducing valve technology was developed by InPipe Energy (inpipeenergy.com), a small Portland startup founded in 2016 by Gregg Semler.

In-PRV is a first-of-its-kind, digitally enabled system that combines smart control software with technologies that reduce water pressure, collect energy, and provide critical operational data. In-PRV can lower the cost of operating water distribution systems because it uses renewable energy gathered from the water system itself

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