A prudent development of APWR has been performed, based on the results of the third improvement and standardization program by joint effort of the public and private sectors, which began in 1982, adopting experiences in operation and maintenance of conventional PWR plants and the state of the art technologies, and incorporating the technologies of further advancement. For APWR, MHI strived to achieve the harmonization with the environment, enhanced safety, improved reliability and economy, and enhanced operability and maintainability to meet the need of the times. The APWR plants were selected for Tsuruga units 3 and 4, scheduled to begin operation in 2016 and 2017.
