HOT|COOL NO. 3/2018 - "Digitization"

P24

Helios Graz

By Ole Dalby, CEO, Arcon-Sunmark

City officials and energy suppliers have a huge opportunity to make a difference and reduce local pollution and CO2- emissions – while at the same time supplying the inhabitants with heating and hot water. The formula is as follows: Take an unused and perhaps challenged location in an urban zone and construct a large-scale solar heating plant. Communities in Austria, Denmark and Germany shows how it is done.

FROM WASTELAND TO SOLAR FIELD A closed landfill at the city-border of Graz in Austria now has a new purpose. A plant combining solar energy with gas from the landfill has been constructed and supplies the local community with district heating.

Land is valuable and unused land without purpose is an issue for any society as it represents a lost opportunity. Another challenge is the increase in energy demand, and when trying to meet this demand, we risk increasing pollution at the same time – unless the energy production is sustainable and without CO2-emissions. Large-scale solar heating can be the answer to the two challenges - utilizing “un-usable” land and enabling a clean, efficient energy production.

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