AECL issued the construction contract in 1969 for the main BHWP device (BHWP A). Commissioning of BHWP A was accomplished by Ontario Hydro from 1971 by 1973, with the plant moving into service on 28 June 1973, and style and design manufacturing potential becoming obtained in April 1974. Due to the accomplishment of BHWP A and the massive number of