Price of PV systems per watt Japan 2021, by application
In 2021, the price of a residential photovoltaic (PV) system amounted to 220 Japanese yen per watt, representing the highest price of PV systems in Japan. Commercial and industrial PV systems (10 to 100 kilowatt hours) followed, with 178 Japanese yen per watt. Prices for PV systems in Japan decreased steadily throughout the past decade due to the standardization of grid-connected PV systems as well as the growth of the PV market.