Japan is deficient of domestic fossil fuel energy sources and developed energy structures that depend primarily on imported fuels and nuclear power. The country's energy fuel mix has been required to shift after the country experienced a catastrophic nuclear accident at the Fukushima Power Plant in 2011, which induced all of the country's nuclear power plants to shut down. To fill some of the gap left by the lost power, Japan boosted its renewable energy capacity with the launch of a feed-in-tariff (FIT) scheme in July 2012. It has been shown a success, especially in the solar PV sector;...