There is a place for solar power, but it ain’t connected to a power grid. Delivering power for no more than seven hours a day (ordinarily between five and six hours, at best, and less in winter) means sticking solar panels on homes connected to conventional power grids makes no sense at all.
As the sun sets, each and every one of those homes draws the power its occupants need from the very same grid that their solar panels have been destabilising throughout the day.
On the other hand, for “off grid” households – remote from the grid – a system involving solar panels, feeding excess generation to lead acid batteries, with a diesel generator for backup, is both practical and economic. Where electricity independence is a necessity in the only option, solar make sense. Think sheep and cattle stations hundreds of kilometres from the nearest SWER line.
Portable solar…
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Utopia, you are standing in it! 
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