Nanosolar's solar cells were verified by NREL to be as efficient as 14.6% in 2006, 15.3% in 2009, and 17.1% in 2011.
Nanosolar's solar cells were confirmed by NREL to be as efficient as 14.6% in 2006, 15.3% in 2009, and 17.1% in 2011.