Review of Recent Offshore Photovoltaics Development

Jun Wang () and Peter D. Lund ()
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Jun Wang: Key Laboratory of Solar Energy Science and Technology in Jiangsu Province, Southeast University, No. 2 Si Pai Lou, Nanjing 210096, China
Peter D. Lund: Key Laboratory of Solar Energy Science and Technology in Jiangsu Province, Southeast University, No. 2 Si Pai Lou, Nanjing 210096, China

Energies, 2022, vol. 15, issue 20, 1-14

Abstract: Photovoltaic power generation (PV) has significantly grown in recent years and it is perceived as one of the key strategies to reach carbon neutrality. Due to a low power density, PV requires much space, which may limit PV expansion in the future. Placing PV on water has therefore become an interesting alternative siting solution in several countries. China has the largest fleet of water floating photovoltaic power stations. Water-based PV is typically installed on inland shores, but now offshore areas may become the next step of development. In this paper, the background of offshore photovoltaic power generation and an analysis of existing offshore photovoltaic systems is presented. Fixed pile-based photovoltaic systems are stationary PV systems in offshore or tidal areas characterized by higher safety, but also a higher initial investment. Wave-proof PV systems are highly modular, easier to install, and more practical in countries with high population density and less available land. Floating platform photovoltaic systems are built on a floating platform with a floating body and frame structure. The photovoltaic module is installed on the floating platform at a certain height, which can avoid the direct action of waves. Floating thin-film PV is one of the most recently developed water-based PV systems. It has a reinforced film that can fluctuate with the waves, adapting to the wave and wind load. This paper finally discusses the challenges encountered by offshore PV and presents future prospects.

Keywords: offshore photovoltaic system; fixed pile-based; wave-proof; floating platform; floating thin-film (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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