Electric Power Development 

Electric Power Development Co., Ltd. (J-POWER) is a prominent entity in Japan's energy sector, primarily responsible for the wholesale supply of electricity derived from hydroelectric and thermal power generation. In addition to producing and transmitting electricity, the company is involved in manufacturing various fuels, such as wood, carbonized sewage sludge, and other biomass materials. J-POWER's activities span a broad range, including the complete coal supply chain from investment and import to transportation and sales. The company also generates revenue from its by-products, selling fly ash and producing fertilizers from ash, alongside manufacturing activated coke. It manages and maintains diverse facilities, including welfare centers, wood pellet production sites, nuclear power plants, telecommunication infrastructure, waste-fueled power plants, and electronic/communication systems. Beyond its core energy operations, J-POWER offers an array of specialized services. These encompass ocean transportation for coal, ash, and fly ash; environmental conservation research and analysis; surveying and compensation for construction sites; investment management and project R&D; facility maintenance and business process outsourcing; and computer software development. The company further provides civil engineering, construction management, and engineering services specifically for controlling atmospheric and water pollutants. Domestically, J-POWER commands a significant infrastructure, with 60 hydroelectric plants (totaling 8,560 MW), 12 thermal power facilities (9,117 MW), 23 wind farms (540 MW), and one geothermal plant (23 MW). Its extensive grid includes 2,404.8 kilometers of power transmission lines and 9 substations or converter stations. Internationally, the company operates 33 power generation facilities with a combined capacity of 6,544 MW, located in countries such as Thailand, the United States, and China. Founded in 1952, Electric Power Development Co., Ltd. maintains its headquarters in Tokyo, Japan.