Yearly solar households' bill saving by state (AUD)
QLD
NSW
VIC
SA
WA
TAS
ACT
NT
0
200m
400m
600m
800m
1bn
2007/2008
2008/2009
2009/2010
2010/2011
2011/2012
2012/2013
2013/2014
2014/2015