Water could warm a million homes in England
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March 30, 2015

A million properties across England could in future be heated by water from rivers, canals and the sea, the government says. The Department for Energy calculates this is the potential of a technology known as the water source heat pump.

This relies on a heat exchanger, which uses a system akin to refrigeration to amplify warmth from pipes in the sea. If the energy from the process comes from renewables, properties can be warmed with near-zero carbon emissions.

Renewable heat

The government’s water source heat map identifies more than six gigawatts of potential low-carbon heat. It was commissioned by the Department of Energy, and Envireau Water Managing Director, James Dodds, was involved in the scoping and development of the fundamental principles of the map and with the steering group responsible for the production of a more detailed map.

One major project – at the National Trust’s historic Plas Newydd house in Anglesey – is already running.

Launching the new map at Battersea Power Station in London today, Energy and Climate Change Secretary Ed Davey said: “We need to make the most of the vast amount of clean, renewable heat that lays unused in our rivers, lakes and seas.

“Doing this will help contribute to an energy mix that maximises clean, reliable home-grown resources rather than relying on foreign fossil fuels.”

Battersea Power Station is the latest developer to announce it will be looking into installing a heat pump.

Richard Parry, chief executive of the Canal and River Trust, the charity that cares for 2,000 miles of waterways in England and Wales, said: “This recognises the huge potential of water-sourced heat pumps to deliver a low carbon solution to the UK’s heating and cooling demands.

You can read the full article at the BBC website.