What are your predictions for commercial solar cell effiencies in the 2015-2020 time frame?

Question

So far the highest labratory efficiencies are around 40 %, while commercial efficiencies are around 20%.

Answer 1

For labs, 50%.  For commercial purposes, 30%.

Answer 2

It depends on the region;

-North America {efficiencies 60%

                           {commercial efficiencies 40%

For more information on the "Environment" visit:

http://www.globalinfo.org/