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April 17, 2011 | admin | Comments 0

Geo-exchange proposed to keep Heathrow runways open

In England, British Airports Authority (BAA) is reportedly looking into adopting geothermal technology for Heathrow airport following a winter where crippling ice caused the cancellation of some 4,000 flights in December. Steven Morgan, BAA’s capital projects director, told Building magazine: “We are working on a concept to capture geothermal energy from the surface of the tarmac … during the summer, to then provide a heating capability so the stands don’t freeze in the winter. We would store the energy underground and use it to gently heat water that would then be run through pipes in freezing conditions to warm the stands, which are the slabs of concrete directly beneath the planes, to just above zero.”

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