Price-Efficiency Relationship for Photovoltaic Systems on a Global Basis

Table 1

Production chain with cost shares and technology improvement opportunity units for [9].

Supply chain	Cost share	Factors
Ingot (silicon)	17%	Ingot casting
Wafer	20%	Kerf loss
		Wafer thickness
		Wafer size
		Yield
Cell	22%	Cell efficiency
		Stability
		Lifetime
		Yield
Module	41%	Module