The move is a positive signal for Germany’s battered upstream PV sector, with Smartenergy claiming it is expanding its workforce in advance of commercial module production from early 2014.

California-based Nanosolar was a copper, indium, gallium, selenide (CIGS) specialist, but this summer its German subsidiary said it would abandon CIGS for traditional crystalline silicon (c-Si) after being purchased by a then-unnamed investor.

That