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Power generation assessment of photovoltaic noise barriers across 52 major Chinese cities
Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
Key Laboratory of Virtual Geographic Environment (Ministry of Education of PRC), Nanjing Normal University, Nanjing 210023, PR China.
Key Laboratory of Virtual Geographic Environment (Ministry of Education of PRC), Nanjing Normal University, Nanjing 210023, PR China.
Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), Singapore 138632, Republic of Singapore.
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2024 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 361, article id 122839Article in journal (Refereed) Published
Abstract [en]

Photovoltaic noise barriers (PVNBs) have the potential to contribute to sustainable urban development by increasing the supply of renewable energy to cities while decreasing traffic noise pollution. However, estimating the power generation of PVNBs at the city or national scale remains a challenge due to the complexities of the urban environment and the difficulties associated with collecting data on road noise barriers (RNBs) and radiation. This study used RNBs, 2.5-dimensional (2.5D) buildings, and hourly time resolution radiation data, to estimate the power generation of PVNBs in 52 of China's major cities. First, hourly building shadows were estimated for each day of the year, covering the period from sunrise to sunset, to identify areas of RNB that are shaded at any given time. Second, hourly clear-sky radiation data were collected and corrected using a radiation correction model to simulate real weather radiation. Finally, utilizing an inclined surface radiation estimation model, the photovoltaic (PV) potential both inside and outside RNBs affected by building shadows was assessed. Subsequently, the power generation of PVNB was estimated based on parameters of mainstream PV systems in the market. The results show that the RNB mileage in 52 selected cities represents 87.7% of China's total RNB mileage. Building shadows often result in a radiation loss of approximately 30% for RNBs reception. The installed capacity and annual power generation of PVNBs in all investigated cities are 2.04 GW and 690.74 GWh, respectively. This study estimates the comprehensive PV potential of potentially exploitable PVNBs in China, offering essential scientific insights to inform and facilitate the strategic development of PVNB projects at both the national and municipal levels.

Place, publisher, year, edition, pages
Elsevier Ltd , 2024. Vol. 361, article id 122839
Keywords [en]
Building shadows, Photovoltaic, Road noise barriers, Sustainable cities, China, Noise pollution, Roads and streets, Urban growth, Building shadow, Chinese cities, Noise barriers, Photovoltaic noise barriers, Photovoltaic potentials, Photovoltaics, Power- generations, Road noise, Road noise barrier, alternative energy, photovoltaic system, power generation, urban development, Buildings
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-66180DOI: 10.1016/j.apenergy.2024.122839Scopus ID: 2-s2.0-85185823427OAI: oai:DiVA.org:mdh-66180DiVA, id: diva2:1842869
Note

Article; Export Date: 06 March 2024; Cited By: 0; Correspondence Address: M. Chen; School of Geography, Nanjing Normal University, Nanjing, No.1, Wenyuan Road, Qixia District, 210023, China; email: chenmin0902@163.com; CODEN: APEND

Available from: 2024-03-06 Created: 2024-03-06 Last updated: 2024-03-06Bibliographically approved

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Zhang, KaiYan, Jinyue

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