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    Energy Pay-Back Time Analysis of Solar Energy Systems; Photovoltaics and Solar Collectors

    TitleEnergy Pay-Back Time Analysis of Solar Energy Systems; Photovoltaics and Solar Collectors
    Publication TypeCommunications in International Conferences
    Year of Publication2018
    AuthorsAskar R., and Bragança, L.
    Abstract

    Solar energy technologies are increasingly being considered in providing efficient energy solutions for a wide variety of applications to generate electricity and heat. High rewarding rates at different levels were registered for both solar energy systems; solar thermal systems (ST) and photovoltaics (PV). The exploitation of the solar energy is dependent on the resource availability and local conditions in each region. Therefore, this paper presents a study conducted in the city of Guimarães in north Portugal. It aims at evaluating the energy efficiency of various types of both PV and ST systems existing in the market. The study carries out a comparative analysis of both photovoltaic modules and solar thermal collectors, as systems that are usually implemented to cogenerate the energy demand for electricity and sanitary hot water respectively at a domestic scale. The embodied energy in both systems and their components will be estimated basing on literature review and following the model “from cradle to gate” that considers the life-cycle phases during the manufacturing process. The produced energy by each of the systems will be estimated in this study using the simulation Portuguese software SCE.ER. The results show the estimated values of energy pay-back time of each of the examined photovoltaics and solar collectors systems.

    Conference Name1r Encuentro de la Red
    Date Published2018-10-19
    Conference LocationCorrientes, Argentina
    URLhttps://redibera.org/1r-encuentro-de-la-red/
    KeywordsEmbodied energy, energy pay-back time (EPBT)., Photovoltaics, produced energy, solar thermal heater
    RightsopenAccess
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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