As things stand, however, Australia will be faced with the necessity of making the same transition over a period of perhaps five to 10 years. That will entail massive investment in solar PV, storage and wind, totalling perhaps $100bn. Given the uncertain environment created by decades of policy reversals, governments will need either to undertake this investment directly or provide long-term guarantees.
Australia isn't doing its part for the global climate. Sooner or later we’ll have to pay our share | The Guardian