Roaring 40s is an electricity generator formed in partnership between Hydro Tasmania

Hydro Tasmania

Hydro Tasmania, known for most of its history as The HEC, is the government owned enterprise which is the predominant electricity generator in the state of Tasmania, Australia...

 and China Light & Power (CLP)

China Light and Power

The CLP Group and its holding company, CLP Holdings Ltd , is a Hong Kong electric company that businesses in a number of Asian markets and Australia....

. Since the beginning in 2005, Roaring 40s’ has 13 sites in operation or in planning in Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 and mainland China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. Cathedral Rocks

Cathedral Rocks Wind Farm, South Australia

Cathedral Rocks Wind Farm is a wind power station at Port Lincoln, South Australia. It has 33 wind turbines, with a combined generating capacity of 66 MW of electricity....

, Woolnorth

Woolnorth Wind Farm, Tasmania

Woolnorth Wind Farm is a wind power station at Woolnorth , Tasmania, Australia. It is wholly owned and operated by Roaring 40s and has 62 wind turbines, with a generating capacity of 140 MW of electricity....

, Waterloo Wind Farm and Musselroe

Musselroe Wind Farm, Tasmania

Musselroe Wind Farm is a wind farm under construction at Cape Portland Tasmania, Australia. It will be the third wind farm in the state, being owned and operated by Roaring 40s...

 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.