Posted by: brian | December 23, 2008

Latest energy craze: underwater wind

A Houston-based firm has installed the first “underwater wind turbine” near in the Mississippi River near Hastings, MN.

“We don’t require that massive dam construction, we’re just using the natural flow of the stream,” said Mark Stover, a vice president at Hydro Green Energy, the Houston-based company leading the project. “It’s underwater windpower if you will, but we have 840 or 850 times the energy density of wind.”

Neat idea. The turbines are sited with care & distributed sparsely enough to avoid excess damage to river ecosystems, they could provide a small but important boost to our national hydroelectric infrastructure, which is otherwise limited by the massive costs & environmental impacts of dam-building.


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