Killer whales hunting baleen whales in concert with humans of the coast of Australia is well documented and probably predates European settlement - search 'the law of the tongue' for more details.
South Australia does not have cheaper electricity bills. We also had a multi-day outage in 2016 which was partially due to wind generators shedding load. Large scale solar also periodically turn off rather than pay to add power to the grid due to too much installed capacity and no suitable storage.