Tokyo Electric Power Services Co., Ltd. (TEPSCO) was established in December 1960 as an affiliated company of Tokyo Electric Power Company,Incorporated (TEPCO) to provide consulting services for electric power industry.

An expert team of professionals in civil engineering, electrical engineering, mechanical engineering, geological engineering and environmental protection. 

Their services cover power sector studies, master plans and feasibility studies supported by multilateral donors such as Japan International Cooperation Agency (JICA), World Bank (WB) and Asian Development Bank (ADB). In developing countries facing power sector challenges, they also carry out project management services (including designs, procurement management and construction supervision). On the other hand, in ODA graduated countries, they play an important role as a private electric power consultant.