The CIGS Building Integrated Photovoltaics: Financial Validity of Façade Applications Under Current Technological and Market Conditions


The recent technological shift supported by the growing recognition of the public and policymakers of the renewable energy sources fostered the employments on the uncharted markets. The energy industry increasingly affects the other sectors that were not directly related to the energy generation before. The construction industry which could benefit from the Building Integrated Photovoltaics (BIPV), is such an example. The trend is only to be fostered with the European Union's Energy Performance of Buildings Directive which requires all new buildings to be nearly zero-energy by the end of 2020. The objective of this paper is to analyze the current financial validity of the BIPV façade applications, under the most recent CIGS technological advancements and market state. The topic is approached with the case study to assess the cost of investment and to learn the economic benefits through the installation life-cycle. The research indicated at economical validity of BIPV façade solution, with the IRR values reaching over 10% in the case of the most optimal systems. In relation to traditional façade materials, the CIGS BIPV façade brings substantial economic benefits to the investors, especially while being installed according to the best practices of PV system design (South, then East and West orientation). With the potential market pool of BIPV façade installations, the scale of CO₂ emissions avoidance should not be neglected. In further research, the importance of valid business models could be investigated.

Author Information
Marek Kryszak, National Kaoshiung University of Science and Technology, Taiwan
Lai Wang Wang, National Kaoshiung University of Science and Technology, Taiwan
Fu-Lin Chu, National Kaoshiung University of Science and Technology, Taiwan

Paper Information
Conference: ACSEE2020
Stream: Energy: Renewable Energy and Environmental Solutions

This paper is part of the ACSEE2020 Conference Proceedings (View)
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