Tokyo Electric Power Company Holdings (TEPCO, 東京電力ホールディングス株式会社, also known as Toden, 東電) is an electric utility holding company. It operates through three business segments: Thermal Power Generation, Nuclear Power Generation, and International Exchange. The Thermal Power Generation segment is divided into four groups: domestic power generation, overseas power generation, fuel procurement, and transportation/trading. Nuclear Power Generation is focused on nuclear safety reform and improving technological competence.