![As many as one in five homes now have rooftop solar systems.](/web/20161206165742im_/http://www.smh.com.au/content/dam/images/1/m/v/a/1/c/image.related.wideLandscape.460x259.gt4ztf.png/1481031103356.jpg)
Household solar to power up to half Australia: CSIRO
As the Coalition backs away from a pledge to consider a climate change policy that the energy industry says it needs, a new study is projecting a rapidly growing mass electricity generator for Australia in the decades ahead: the public.