Date: Wednesday 2^nd March 2011 - Sunday 6^th March 2011 (European Union)

Between 2^nd to 3^rd March 2011 for experts, between 4^th – 6^th March for the general public the fairground’s gates open in Wels, Upper Austria to all supporters of energy efficiency and renewable energy sources.

http://biom.cz/cz/akce/veletrh-uspor-energii-2011-energiesparmesse