How many years do thermal power plants typically survive

The design life of a thermal power plant is usually 40 years. When approaching the design life, the reliability and efficiency of the plant decreases rapidly. According to the data provided by the North American Reliability Association, 50 a 200Mw unit after 40 years of operation, the accident shutdown rate will reach about 20%, continue to operate is considered unsafe, uneconomical, need to be replaced by a new unit.