2008 The research efforts .
Infrastructure needed to supply 50 % of the energy for space and water heating and cooling across Europe using solar thermal energy was set out under the aegis of the European Solar Thermal Technology Platform ( ESTTP ) .
2008 The research efforts and infrastructure needed to supply 50 % of the energy for space and water heating and cooling across Europe using solar thermal energy was set out under the aegis of the European Solar Thermal Technology Platform ( ESTTP ) .