The Goyder South project mixing wind (1.2GW), solar (600MW) and batteries (800MW) is the latest of a deluge of enormous solar-plus-storage schemes proposed in the sunny island state.
Acciona, Canadian Solar, Enel and Trina Solar among 27 firms competing for contracts under clean energy tender, scheduled in October after months of delay.
Less red tape could bring about revival of cost-competitive PV without government incentives, Italia Solare event hears days ahead of launch of new subsidy programme.
The new plants will contribute to Iberdrola's rapid expansion across the Iberian peninsula, after the firm secured 149MW of new Portuguese projects last month.
Calls for new rules coincide with news that Australia is guaranteed to meet its 2020 target for large-scale renewables generation thanks to progress in recent years.
