This PVT plant has 21% ROI where typical PV plants have around 12% ROI, so its almost 200% improvement (this is one of the Maston projects). The system provides the luxury hotel and residences with both heat and electricity. The Solarus system with 124 PowerCollectors produces an average of 3.000 kWh of energy per week and creates a viable and stable energy supply for the 129 hotel rooms, the large restaurant, spa and laundry. The Solarus PowerCollector combines thermal (T) energy with photovoltaic (PV). Due to its unique technology and design it produces one of the highest energy yields ever measured. This superior performance gives the ability to accelerate the transition towards a clean energy future.