Perspective of CIGS-BIPV’s Product Competitiveness in China

Table 4

Analysis of energy-saving and environmental protection indexes of four products.

Energy-saving and environmental protection index	Weight factor	CIGS-BIPV		Silica-based BIPV		Glass curtain wall		Exterior stone
		Score	Weighted value	Score	Weighted value	Score	Weighted value	Score	Weighted value
Power saving	0.6	96	57.6	94	56.4	80	48	75	45
Pollution reduction	0.2	93	18.6	91	18.2	80	16	75	15
CO2 emission reduction	0.2	94	18.8	92	18.4	80	16	75	15
	1		95		93		80		75