We're at a tipping point already. What's helped the most recently is financing. Solar is already cheaper than retail in a few states; see e.g. this map that le

We're at a tipping point already. What's helped the most recently is financing. Solar is already cheaper than retail in a few states; see e.g. this map that lets you play with dates and scenarios: http://ilsr.org/projects/solarparitymap/ http://ilsr.org/projects/solarparitymap/ As for game changers, see e.g. http://www.greentechmedia.com/articles/read/are-utilities-ready-for-the-coming-death-spiral http://www.greentechmedia.com/articles/read/are-utilities-re... http://grist.org/climate-energy/solar-panels-could-destroy-u-s-utilities-according-to-u-s-utilities/ http://grist.org/climate-energy/solar-panels-could-destroy-u...