In the past decade, (2010 -> 2019) the area efficiency of commercial crystalline solar modules has improved from 14% to 20%. This is modules, not cells. That'

In the past decade, (2010 -> 2019) the area efficiency of commercial crystalline solar modules has improved from 14% to 20%. This is modules, not cells. That's an increase of more than 40%. More detail here - https://www.nrel.gov/pv/cell-efficiency.html https://www.nrel.gov/pv/cell-efficiency.html