Constructing a Risk Assessment Framework for Building Integrated Photovoltaic (BIPV) Projects from the Perspective of Four-Dimensional Risk

Table 8

The proximity degree of each risk indicator and risk grades of each risk indicator.

Code	Risk indicator	I	II	III	IV	V	Risk grades
V11	On grid price fluctuation risk	0.9408	0.9936	1.0064	0.9535	0.9006	III
V12	Financial risk	0.8747	0.9339	0.9930	1.0070	0.9478	IV
V13	High capital requirements	0.8832	0.9569	1.0307	0.9693	0.8956	III
V21	Design risk	0.8661	0.9241	0.9820	1.0180	0.9600	IV
V22	Operation and maintenance risk	0.9097	0.9671	1.0245	0.9755	0.9181	III
V23	Grid connection risk	0.9049	0.9713	1.0287	0.9623	0.8959	III
V24	Power supply reliability risk	0.9391	1.0063	0.9937	0.9264	0.8592	II
V25	Material supply and installation risk	0.9155	0.9663	1.0171	0.9829	0.9321	III
V26	Lack of construction experience	0.8671	0.9189	0.9708	1.0227	0.9773	IV
V31	Solar energy resource	0.9475	1.0188	0.9812	0.9098	0.8385	II
V32	Harsh climatic conditions	0.9161	0.9850	1.0150	0.9460	0.8770	III
V33	Visual damage of buildings	0.9629	1.0153	0.9847	0.9324	0.8800	II
V34	Noise pollution	0.9388	0.9868	1.0132	0.9653	0.9173	III
V41	Power generation subsidy	0.9133	0.9643	1.0154	0.9846	0.9336	III
V42	Government approval lag risk	0.9075	0.9624	1.0173	0.9827	0.9278	III
V43	Government support	0.8930	0.9457	0.9985	1.0015	0.9488	IV
V44	Public support	0.8823	0.9462	1.0100	0.9900	0.9261	III
Comprehensive risk		0.9900	0.9965	1.0005	0.9969	0.9904	III