Constraints loom for booming Aussie rooftops

Within this decade, the capacity of solar systems on rooftops in Australia will likely exceed the generating capacity of coal. It is now evident that solar in conjunction with other customer-side technologies of batteries and demand management will become the dominant factor in the evolution of Australia’s energy system, writes Tristan Edis, the director of analysis for Green Energy Markets. He adds one caveat, however: For this to occur, batteries must become cost competitive.