Some articles on ersol:

Bosch Solar Energy - Structure and Products
... The scope of the ersol Group subsidiary currently covers silicon for solar and semiconductor applications, metallurgical grade silicon and support products ... At a thickness of 200 ┬Ám and less, the average efficiency of monocrystalline ersol solar cells is around 17% ... In addition, ersol markets crystalline solar modules from solar cells produced by ersol and other manufacturers through its Erfurt-based trading subsidiary Bosch Solar Modules GmbH ...