The FBK research Unit REET (Renewable Energies & Environmental Technologies) coordinates the DiGeSPo project (DIstributed CHP GEneration from small size concentrated Solar POwer) funded by European Community - seventh Framework programme - theme Energy. Its concept is a modular micro Combined Heat and Power system based on innovative Concentrated Solar Power and Stirling engine technology, that will provide electrical power, heating and cooling for single and multiple domestic dwellings and other small commercial, industrial and public buildings.