As environmental groups and activists demand Australia do more to address climate concerns, energy experts have issued their own warning around Australia’s energy security amid an accelerated proliferation of renewable power. The Australian government’s Energy Security Board urged the prime minister and state premiers that Australia’s grid infrastructure was in need of a complete overhaul to cope with a rapid shift towards more solar and wind energy. In particular, the board listed two must-haves amid a transition to more renewables: ensuring reliable energy supply and stabilising grid frequency. Expert in electrical grid systems and University of Melbourne Engineering Professor Iven Mareels agreed with the point, saying that although he believed Australia had to pivot away from fossil fuel energy, several key logistical challenges had to be addressed first. “We can’t transition like a cowboy,” Mareels told The Epoch Times. “We have to transition carefully.” Mareels clarified that the switch was …