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Photovoltaic performance and LCoE comparison at the coastal zone of the Atacama Desert, Chile.

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Title: Photovoltaic performance and LCoE comparison at the coastal zone of the Atacama Desert, Chile.
Authors: Fuentealba, Edward1, Ferrada, Pablo1 pablo.ferrada@uantof.cl, Araya, Francisco1, Marzo, Aitor1, Parrado, Cristóbal1, Portillo, Carlos1
Source: Energy Conversion & Management. May2015, Vol. 95, p181-186. 6p.
Subjects: Photovoltaic power systems, Silicon solar cells, Coastal zone management, Solar radiation, Energy consumption
Geographic Terms: Atacama Desert (Chile)
Abstract: Two photovoltaic technologies are compared with regard to the energy yield, performance ratio and their levelized cost of energy. Plants based on amorphous/microcrystalline silicon tandem thin films and multicrystalline silicon solar cells installed at the coastal zone of the Atacama Desert, Chile, were monitored for 21 months. This region can be one of the most suitable places for the use of solar energy due to the high solar radiation levels. However, the coastal desert climate may influence the performance of photovoltaic systems. The global tilted solar irradiation reached mean values of 8.6 kW h/m 2 day in summer and 6 kW h/m 2 day in winter demonstrating the high irradiation available. It came out that the performance ratio is influenced by the dust accumulation and the temperature associated to this place. The performance ratio of thin films decreased due to the dust accumulation at a rate from −4.2 to −3.7%/month for decreasing temperature and from −4.8 to −4.4%/month for increasing temperature. For multicrystalline silicon modules, the degradation rates were −2.4 to −1.8%/month for decreasing temperature, and −6.2 to −3.7%/month for increasing temperature. It was concluded that the electricity costs were 14.48 cents€/kW h and 15.65 cents€/kW h for thin film and mc-Si, respectively. Thus, the thin films had more benefit after cleaning than multicrystalline modules. [ABSTRACT FROM AUTHOR]
Copyright of Energy Conversion & Management is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 101927260
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Photovoltaic performance and LCoE comparison at the coastal zone of the Atacama Desert, Chile.
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  Data: <searchLink fieldCode="JN" term="%22Energy+Conversion+%26+Management%22">Energy Conversion & Management</searchLink>. May2015, Vol. 95, p181-186. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Photovoltaic+power+systems%22">Photovoltaic power systems</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+solar+cells%22">Silicon solar cells</searchLink><br /><searchLink fieldCode="DE" term="%22Coastal+zone+management%22">Coastal zone management</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+radiation%22">Solar radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Atacama+Desert+%28Chile%29%22">Atacama Desert (Chile)</searchLink>
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  Data: Two photovoltaic technologies are compared with regard to the energy yield, performance ratio and their levelized cost of energy. Plants based on amorphous/microcrystalline silicon tandem thin films and multicrystalline silicon solar cells installed at the coastal zone of the Atacama Desert, Chile, were monitored for 21 months. This region can be one of the most suitable places for the use of solar energy due to the high solar radiation levels. However, the coastal desert climate may influence the performance of photovoltaic systems. The global tilted solar irradiation reached mean values of 8.6 kW h/m 2 day in summer and 6 kW h/m 2 day in winter demonstrating the high irradiation available. It came out that the performance ratio is influenced by the dust accumulation and the temperature associated to this place. The performance ratio of thin films decreased due to the dust accumulation at a rate from −4.2 to −3.7%/month for decreasing temperature and from −4.8 to −4.4%/month for increasing temperature. For multicrystalline silicon modules, the degradation rates were −2.4 to −1.8%/month for decreasing temperature, and −6.2 to −3.7%/month for increasing temperature. It was concluded that the electricity costs were 14.48 cents€/kW h and 15.65 cents€/kW h for thin film and mc-Si, respectively. Thus, the thin films had more benefit after cleaning than multicrystalline modules. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Energy Conversion & Management is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.enconman.2015.02.036
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        Text: English
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        PageCount: 6
        StartPage: 181
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      – SubjectFull: Photovoltaic power systems
        Type: general
      – SubjectFull: Silicon solar cells
        Type: general
      – SubjectFull: Coastal zone management
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      – SubjectFull: Solar radiation
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      – SubjectFull: Energy consumption
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      – SubjectFull: Atacama Desert (Chile)
        Type: general
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      – TitleFull: Photovoltaic performance and LCoE comparison at the coastal zone of the Atacama Desert, Chile.
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              Text: May2015
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