the battery project has been very successful, and now fuelled with revenge and fear of losing state power the state leader is pushing even harder for battery and solar tech in residential areas to stop the cost growth, this will also help alot of renters, and he is directing this as mistrust from the incompetent federal leadership which is primarily funded by the coal industry.
https://www.theguardian.com/australia-news/2018/feb/01/coal-...
South Australia mostly dislikes federal politicians considering they constantly ignore the state and then with AEMO and energy markets just basically cut power to the state and charge them through the nose because they aren't the useful state.