Tokyo Electric Power Company (Tepco)

Tokyo Electric Power Company (Tepco) is the operator of the Kashiwazaki-Kariwa nuclear power plant, the world's largest. Tepco is newsworthy due to its efforts to restart nuclear reactors after the 2011 Fukushima disaster, which led to the shutdown of all nuclear plants in Japan. Recently, Tepco restarted reactor number six at the Kashiwazaki-Kariwa plant in Niigata Prefecture, marking the first reactor restart for the company since Fukushima. However, operations were suspended just hours after the restart due to an alarm during reactor start-up procedures. While the reactor remained stable, the cause of the alarm is unknown, and the resumption of operations is uncertain. Tepco's safety measures are under close scrutiny as it seeks to recover financially from the Fukushima accident and contribute to Japan's energy needs.