The living laboratory covers 79 municipalities around Hollabrunn, Horn, Krems and Tulln in Lower Austria as well as Mallnitz in Carinthia. REGOreal is a scalable model for combined energy systems. Through four layers (building | neighbourhood | municipality | region), the 100% renewable energy approach develops in cellular fashion from layer to layer in four areas (1 “KnowWhy” – socialisation | 2 “KnowHow” – financing | 3 “KnowWho” – organisation | 4 “KnowWhat” – technology). 
 
It prioritises saving energy over generating it. Beside technological solutions the project focuses on other issues key to this 100% approach. Innovative solutions driving implementation, such as a regional model for contracting energy savings, are emerging to finance projects. Increasingly, women as well as companies and associations in general are being brought on board to implement the 100% approach. A comprehensive open-data model based on the “system of systems” principle is being developed for the combined energy system to serve as a basis for planning and evaluating technological and methodological innovations as well as market innovations for local, regional and interregional value chains.
 
Targets for four priority areas were set for the first five years:
> 100 energy communities
> 1,000 buildings renovated
> 10,000 energy exporters (200 companies)
> 100 million fossil-fuel kilometres saved