The National Renewable Energy Labratory (NREL) recently tested thin-film solar modules made by MiaSolé, and verified that their energy conversion efficiency rate hit 15.7 percent, up from 14.3 percent last year.

The company boasted about the number, and several news outlets touted the results. Does it mean the performance gap betweenthin-film and crystalline solar modules is closing? Could… → Read More