According to analysts from the global investment banking giant UBS, the arrival of socket parity – where the cost of installing solar is cheaper than grid-sourced supplies – is about to cause a boom in un-subsidised solar installation in Europe, and the energy market may never be quite the same again.
http://reneweconomy.com.au/2013/ubs-boom-in-unsubsidised-solar-pv-flags-energy-revolution-60218