Complex sentence: Alinta has been a key investor of Australia's renewable energy projects and plans to build the World's largest offshore wind farm, a 50MW solar thermal plant at Port Augusta in South Australia in 2013.
Split into simpler sentences: Alinta has been a key investor of Australia's renewable energy projects. It plans to build the World's largest offshore wind farm, a 50MW solar thermal plant at Port Augusta in South Australia in 2013.