Turning Excess Heat Into Energy

'Waste heat' is a hot area of research as an alternative energy source. Providers say they can turn excess heat produced by machines in factories into clean electricity.
May 4, 2010, 12pm PDT | Tim Halbur
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In one factory retrofit, the company Recycled Energy Development (RED) is projecting that they can produce 1/3rd of the power a West Virginia factory needs purely from the excess heat they are already generating.

Michael Kanellos writes, "The U.S. consumes around 100 quads (100 quadrillion BTUs) of energy a year, and 55 to 60 quads get dissipated as waste heat, according to [UC Berkeley professor] Arun Majumdar."

"Thus, there is a lot of waste heat out there and it could be cheaper than solar."

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Published on Monday, May 3, 2010 in greentechmedia
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