1. District Heating in the framework of an sustainable urban environment in Vienna DI(FH) Stefan Fazekas 24.11.2011

2. Some facts on Vienna population: 1,700,000 captial of Austria political and economical center of middle Europe 5 th richest region of Europe very good public transport system (world‘s 5 th largest tram network) important cultural center with popular touristic attractions

3. Waste issue of Vienna appr. 1 million t of rural wastes produced appr. 36% of which are seperately collected and recycled or composted additionally 2 million m³ of sewage sludge Vienna has a total incineration policy: -> all non-recyclable wastes are incinerated -> all dewatered sewage sludge is incinerated

4. Thermal waste treatment in Vienna

5. Waste to Energy Waste/SludgeIncineration 1,200 km of district heating and cooling network 28%67% electricity Power Plant Direct heating 5% 95% Waste Energy

6. District heating in Vienna saves CO 2 emissions! 2/3 of CO 2 emissions saved yearly 1 million t CO 2 emissions saved this is equivalent with - yearly emission of 750,000 cars - yearly emission of 250,000 houses District heating in Vienna actively protects our environment!

7. Future perspectives expansion of district cooling new buildings are mostly connected to district heating expansion of tubing network renewable energy sources (e.g. biomass) geothermial plant for 40,000 households

8. Thank you for your attention! DI(FH) Stefan Fazekas Fernwärme Wien GmbH phone: +43-1-31326-6376 email: stefan.fazekas@fernwaermewien.atstefan.fazekas@fernwaermewien.at