The objective of this study was to examine the effect of production-based support schemes on the economic feasibility of residential-scale PV systems (1–10kW) in Finland. This was done by calculating the payback time for various sizes of newly installed PV systems for a Finnish detached house...

All over the world, including Japan, there are targets to decrease building energy consumption and increase renewable energy utilization. Combined heat and power (CHP) plants increase energy efficiency and are becoming popular in Japan. CHP plants produce both heat and power simultaneously, but...