Another No-Dam Hydropower Method to be Tested

An intriguing third hydropower option is being developed in the town of Vandergrift, Pennsylvania in the Kiskiminetas River which the town hopes will generate 20-40% of its electricity. Our colleagues over at Discovery News have the complete story, but here’s that requisite bit to lure you in:

The sustainable power [Vandergrift is developing] will most likely come from a grid of undulating strips made of polyvinylidene fluoride or PVDF, a material that generates a slight electrical current when it is moved, in this case, by the currents and eddies in the Kiskiminetas River. Such materials are described as piezoelectric, and the resulting electrical current would pass to small substations along the river's edge before charging a group of batteries.

The exact details about how dense the grid would be, how long the PVDF strips will be, or even when the grid would be laid down, are still being worked out. But whatever the final plans are, the researchers claim they will maintain the health and appearance of the Kiski, which is used for fishing, canoe trips and other recreational activities.

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