It was also the first major power station in New South Wales to be built inland, using fresh water for cooling instead of the more abundant saltwater used in coastal power stations. To accommodate this change, Lake Liddell was expanded to provide more water, requiring an 11-kilometer section of the Main Northern railway line to be rebuilt on a new alignment. The completion of Liddell aided in the retirement of power stations in Sydney, such as Balmain and Bunnerong.
It was also the first significant power station in New South Wales constructed inland, utilizing fresh water for cooling rather than the more prevalent saltwater used in coastal power stations. To accommodate this alteration, Lake Liddell was enlarged to supply additional water, necessitating a 11-kilometer segment of the Main Northern railway line to be reconstructed on a new route. The completion of Liddell facilitated the closure of power stations in Sydney, such as Balmain and Bunnerong.