Bunnerong power station was built starting 1926 and added output until 1947 with additional boilers and turbo-alternators. It's final complement is 28 boilers and 11 turbines, producing 375MW nameplate capacity.
Wikipedia's Bunnerong article has details of the development, equipment and its demise as more efficient power stations came on line.
The demolition is well underway at this end of the building.
Close up of this end and its boilers.
A more direct view of the boilers.
A closer up view of the boilers.
There is nothing left of the power station now.