Aussie energy regulator tackles the death spiral

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The electricity “death spiral” arises when demand for power declines, due in part to customers taking up solar PV, leading to higher prices to cover fixed network costs. That is, the more people that take up solar power, the faster the decline in electricity demand, and the more fixed costs must be spread over a smaller volume of electricity, raising costs for everyone else.

Already, Australia has the highest levels of rooftop solar power (PV) in the world, thanks in part to generous government subsidies that have typically flowed to higher-income, home-owning households:

Solar per capita

The wealthy are most likely to install solar and battery storage because they can afford the high upfront costs. This leaves poorer households and renters facing large rises in their power bills as fixed network costs are spread across a diminishing pool of customers.

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About the author
Leith van Onselen is Chief Economist at the MB Fund and MB Super. He is also a co-founder of MacroBusiness. Leith has previously worked at the Australian Treasury, Victorian Treasury and Goldman Sachs.