Residential lighting electricity sales Japan FY 2015, by region
In the measured time period, the Tokyo region had the highest demand for residential lighting electricity with approximately 60.2 million megawatt hours, followed by Kansai with about 27.4 million megawatt hours. The electric utility companies servicing the Tokyo and Kansai regions are Tokyo Electric Power Company Holdings (TEPCO) and Kansai Electric Power Co., Inc. (KEPCO), respectively.