PBS NewsHour

How drinking water pipes can also deliver electric power

Clip: 04/14/2015 | 6m 49s

Hydroelectricity -- using the flow of water to generate power -- has long been a small but key source of renewable energy. How can cities around the country better harness that potential? A startup in Portland, Oregon, has developed a system that gets energy from gravity-fed drinking water pipes to produce electricity without any environmental impact. Hari Sreenivasan reports.

Aired: 04/14/15

Rating: NR

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