Yallourn B entering service on 11 April 1932. B station consisted of 4 Metro Vickers sets of 25MW. Steam was supplied by 10 John Thompson chain grate boilers each producing 120,000 lb/hr at 260PSI and 670degF. Yallourn A was demolished in 1968, and Yallourn B following in the early 1970s. Yallourn C, D and E stations were commissioned in 1954, 1957 and 1961 respectively, and provided the bulk of Victoria's power until Hazelwood Power Station became operational in the mid 1960s. Yallourn A, B, C & D were constructed as 'range'-type power stations that connected individual boilers to a common steam range before connecting to the turbine.