Rocglen mine, owned 100% by Whitehaven, is located 28km north of Gunnedah on the Wean Road. Open cut mining commenced in 2008 and is due to finish in 2019.
The thermal coal produced at Rocglen has medium to high ash, low sulfur, low phosphorous and medium to high volatility. Rocglen has a ROM production rate of 1.2Mtpa and has been permitted to extend this to 1.5Mtpa. Coal is washed at the Gunnedah CHPP.