High Quality Content by WIKIPEDIA articles! Roaring 40s is an electricity generator formed in partnership between Hydro Tasmania and China Light Power (CLP). Since the beginning in 2005, Roaring 40s’ has 13 sites in operation or in planning in Australia, India, Hong Kong and mainland China. Cathedral Rocks, Woolnorth, Waterloo Wind Farm and Musselroe are four notable power plants that the company owns. Roaring40s will be splitting in June 2011 with all projects being divided amongst the two original JV partners CLP and Hydro Tasmania.