Ennatuurlijk has connected the separate heating networks in the distrcits of Roombeek and Deppenbroek to the sustainable heating network in Enschede; the most sustainable heating network in the Netherlands. In the municipality of Enschede, over 8,500 households and 200 companies in various districts are connected to the heating network. The heating network in Enschede receives heating from Twence, and with this expansion sustainable heating is available to 50% of the city.
Twence's heating is generated from non-recyclable waste and bio mass. Therefore Twence contributes greatly to savings in the use of fossil fuels, and the avoidance of CO2 emissions.