CleanTechnica: The South Australian Labor government gained a lot of credit and success when it announced a 33 per cent renewable energy target for the state by 2020. It seemed very ambitious at the time, but it turns out that it was just a fraction of what is possible: South Australia could become the first mainland state to become 100% renewable. And while that might not transpire as early as 2020, it could happen within a decade, and certainly by 2030. Imagine that around 3,000MW of wind generation,...