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

Table 1

List of risk indicators preliminarily identified.

First-level risk indicators	Second-level risk indicators	References
Economic risks
1	On grid price fluctuation risk	[30, 36–38]
2	Financial risk	[37, 39, 40]
3	High capital requirements	[11, 23, 41]
Technical risks
4	Design risk	[9, 10, 40]
5	Operation and maintenance risk	[30, 37, 40]
6	Grid connection risk	[9, 10, 42]
7	Power supply reliability risk	[30, 37, 43]
8	Material supply and installation risk	[9, 30, 44]
9	Lack of construction experience	[9, 10, 45]
10	Construction operation risk	[30, 37]
11	Component missing risk	[18]
Natural environment risks
12	Solar energy resource	[30, 37, 46]
13	Harsh climatic conditions	[10, 18, 47]
14	Visual damage of buildings	[11, 46, 48]
15	Noise pollution	[9, 48]
Policy risk
16	Power generation subsidy	[37]
17	Government approval lag risk	[10, 49]
18	Government support	[11, 37]
19	Imperfect bidding mechanism	[23]