Gallery: Minnesota Town to Tap into its Own Sewers for Geothermal Energ...


Cities and companies around the world tap into geothermal energy — the thermal energy below the Earth’s surface — but there’s another type of man-made energy coursing through sewer pipes beneath cities and towns: sewage. The town of Brainerd, Minnesota plans to develop a unique alternative energy system that will tap into the  thermal energy in sewer pipes to heat and cool buildings.

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1 Comment

  1. Green Joy July 14, 2012 at 3:30 am

    Great idea. You already spent energy heating up the water, why waste it? You have a huge amount of heat going to waste when you can basically recapture the energy by gathering the heat in the sewers. You get a hot bath and a toasty house, dual pupose goodness!

    Juan Miguel Ruiz

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