Converting Water Pressure into Power

Hydroturbine system in source water pipe generates substantial electricity while serving the function of a pressure-reducing valve.
Converting Water Pressure into Power
The LucidPipe turbine requires flows of at least 20 cfs at 40 psi. Each turbine also acts as a pressure reduction valve, reducing head pressure by 1 to 5 psi. (Photo Lucid Energy)

The Portland (Oregon) Water Bureau is using a different kind of hydropower to generate electricity, tapping the energy of water flowing through its pipes. Online since January 2015, four 50 kW hydrogenerators make enough electricity to power up to 150 homes for a year.

The...

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