Salzburg housing companies rely on solar heat

In May 2013, a 2,000 m² collector area began supplying the urban development project Stadtwerk Lehen with renewable energy (Photo: TiSUN)
In May 2013, a 2,000 m² collector area began supplying the urban development project Stadtwerk Lehen with renewable energy (Photo: TiSUN)

As of early this month, a complete residential area in Salzburg, with almost 300 homes, a kindergarten, a student residence and shops, is being heated by solar collectors with a surface area of over 2,000 m².

The first stage of the project "Stadtwerk Lehen" was initiated in late 2011. The first stage consisted of more than 1,550 m² of collector area on eleven low-energy buildings. The project has now been expanded by a further 500 m2 with large-area collectors from the Austrian manufacturer Tisun. The new panels were installed in the accompanying industrial area. The project was realised by Salzburg AG on a 42,000 square meter area of the Salzburg housing company and the non-profit housing company "Heimat Österreich".

"The use of a solar energy system with about 5 m² of collector per unit reduces the CO2 emissions of a single household by about 800 kg per year," explains Tisun CEO Robin M. Welling.

In addition to solar heat, a photovoltaic system is installed, which provides electricity for the residential area.

Jan Gesthuizen

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