SOLAR - Stress Testing Solar PV Growth Forecasts

I spent most of my weekend trying to understand the logic (or lack thereof) supporting the two line charts included below. Those charts predict a very different future for distributed generation in the eastern United States than I had imagined. Navigant Research, an energy consulting firm, created the charts as part of a broader assessment of demand-side resources within the Eastern Interconnection, which encompasses 39 U.S. states, New Orleans and the District of Columbia.

http://www.forbes.com/sites/williampentland/2013/05/05/stress-testing-