Tokyo Electric Power Co Holdings Inc (TEPCO) generates, transmits and distributes electricity; transports fuel; and retails electricity and gas. It has presence in the entire energy supply chain, from fuel upstream and procurement to power generation. The company also provides remote monitoring, personnel training, advisory and consulting, and operation and maintenance services to power plants. The company serves customers in the entire Kanto Region, including Tokyo and the metropolitan area. TEPCO operates its business through five segments: Energy Partner, Renewable Power, Power Grid, Fuel & Power and Holdings. In FY2023, the company reported a capital expenditure of JPY631143 million which as a percentage stood at 14.4%.

TEPCO’s research and development (R&D) focuses on developing technologies to promote nuclear reactors, developing technologies that contribute to ensuring nuclear safety and achieving a stable supply of electricity, and developing technologies to achieve carbon neutrality. The company is involved in maximizing the value created by intellectual capital and implementing strategic investment and forming business alliances. It also focuses on technological initiatives and achieving innovations. In FY2023, the company spent JPY19,735 million on R&D, which as percentage of revenue stood at 0.27%.