The scale of a business cluster like business parks fits spatially and energetically very well with midsize sustainable energy like heat exchange, wind energy, biomass, combined heat & power, smart grids or large scale solar. Clusters offer great potential for greenhouse gas reduction. But, businesses do not adopt sustainable energy because too complex.

The challenge is to enhance market uptake by clusters of businesses and create synergies within business clusters. Existing barriers to implement availablesolutions (technical, but also financial and organizational) need to be eliminated.