Australia leads the world on rooftop solar, now it needs to catch up with how to manage it

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It is an irony of no small significance that Australia, while leading the world in per capita uptake of rooftop solar, finds itself in 2025 well behind the pace on how best to manage this huge and valuable resource as part of a modern, increasingly renewables-powered grid.

By 2050, operations on the National Electric Market (NEM) — once a one-way street from power generation plants to consumers via transmission lines and distribution networks — will be predominantly bidirectional, with about 115 GW of capacity and 100 TWh of generation provided by distributed PV.

By this stage, the report tells us, the script is flipped, with centralised energy resources taking on the role of providing back-up and balancing services to a vast network of distribution-connected energy resources – rooftop solar, home batteries, electric vehicles, hot water systems.

But to get to this point from where we are at now, in mid-2025, requires some thinking outside the grid.

Source: Wikipedia