Is rooftop solar the beginning of a new order?

02 February 2014


The continued uptake of photovoltaic rooftop solar in Australia, even as subsidies have declined, has sparked debate on whether the centrally dispatched electricity industry model is at the beginning of a death spiral.

Bruce Mountain of Climate Spectator estimates that the life-cycle average cost of electricity produced by the 899,017 PV systems installed between 2010 and 2012 is $162/MWh. This compares to the nation-wide average household electricity price around $320/MWh.

In other words, for households in Australia that installed PV during the period from 2010-12 it costs, on average, half as much to produce electricity from a PV system than it does to purchase electricity from the electricity grid.

Read more here.

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