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District Heating, Technology Trends

More Research Needed for New Storage Materials

Submitted by Baerbel Epp on November 17, 2008

If solar energy is to be the primary or only source of heat for houses in the future, there will arise a need for storing it more efficiently. Materials have to be found that are able to hold more energy than water, but with less volume and higher loss. Task 32 of the International Energy Agency's (IEA) Solar & Cooling programme was working on this issue. The scientists presented their results at the Eurosun 2008 in Lisbon, at the beginning of October.

Front-runners of solar district heating

Submitted by Baerbel Epp on June 5, 2008

Solar Thermal District Heating
Feeding directly into the district heating system of the Austrian city of Graz: The collector fields are mounted on four different hall roofs belonging to the AEVG, a municipal waste disposal company.

Photo: S.O.L.I.D. / Oberländer

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