Business consulting firm projects robust growth for solar and grid parity in many locations by 2020
McKinsey has a great new analysis piece: "The economics of solar power." Overall it's extremely optimistic, saying that despite uncertainties around technology and policy, growth in the solar sector is all but certain to be robust.
Here's a interesting chart. The size of the yellow ball is the size of the solar market in TWh. The upper right of the chart is "grid parity" -- i.e., solar electricity selling for roughly the same price as fossil electricity....MORE