The total coastline of Japan 29,751 km Coastal population percentage in Japan 80% The annual average of wave energy in Japan, kilowatt/meter. 22.5 KW/m Wave energy theoretical potential in Japan, Terawatt hours per year. 5,864 TWh/y Wave energy's applicable potential in Japan(5% of theoretical potential) 293 TWh/y Total electricity consumption in Japan (2016) 943.7 TWh Electricity produced by Tide & Wave energies in Japan 2019 21,450,000 MWh (2.17%) Wave energy index : The percentage of wave energy applicable potential vs Electricity production or consumption 31% ads image-slider-with-thumbnail1.jpegimage-slider-with-thumbnail2.jpegimage-slider-with-thumbnail3.jpegimage-slider-with-thumbnail4.jpegimage-slider-with-thumbnail5.jpeg