http://reneweconomy.com.au/2012/why-generators-are-terrified...
http://grist.org/article/2011-11-23-the-problem-with-the-ren...
http://www.recycled-energy.com/newsroom/publication/the-batt...
http://www.ilsr.org/solar-grid-parity-101/
http://www.greentechmedia.com/articles/read/how-will-the-cal...