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    • Escuela Técnica Superior de Ingeniería Industrial, Informática y Telecomunicación - Industria, Informatika eta Telekomunikazio Ingeniaritzako Goi Mailako E.T.
    • Trabajos Fin de Máster ETSIIT - TIIGMET Master Amaierako Lanak
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    Economic and environmental analysis of PV electricity storage in Sweden

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    Master thesis-Oihane Bayo.pdf (4.478Mb)
    Date
    2016
    Author
    Bayo Lizarraga, Oihane 
    Advisor
    López Taberna, Jesús 
    Gustafsson, Mattias 
    Karlsson, Björn 
    Version
    Acceso abierto / Sarbide irekia
    Type
    Trabajo Fin de Máster/Master Amaierako Lana
    Impact
     
     nodoi-noplumx
     
     
     
     
     
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    Abstract
    Renewable energies, and among them solar photovoltaics, are becoming more important in the last years due to the lack of fossil fuels and the environmental impact of them. PV installed capacity is increasing over and over in some countries and the prices of the installation are decreasing while the prices of the electricity are predicted to increase. Electricity use in buildings account for an im ... [++]
    Renewable energies, and among them solar photovoltaics, are becoming more important in the last years due to the lack of fossil fuels and the environmental impact of them. PV installed capacity is increasing over and over in some countries and the prices of the installation are decreasing while the prices of the electricity are predicted to increase. Electricity use in buildings account for an important part of all electricity use in the world. This two facts make the PV installation in the rooftops of buildings a good opportunity to reduce the purchase of electricity from the grid. The aim of the thesis is to analyze the profitability and the environmental impact (when using a hot water accumulator) of a PV system with different storage systems placed in the rooftop of two dwellings located in Gävle (Sweden). The storage systems can be either batteries or hot water accumulators. The purpose of the storage system is to increase the self-consumption rate of the PV system and to save the highest amount of money possible. It is also studied the difference of installing PbA and Li-ion batteries, and the reliability of the data used in the simulation of the alternative systems with the help of the software PVsyst. Results show that the profitability of the proposed three alternative PV systems with storage is not higher than the PV system without storage. The reason for this has been found in the low prices of electricity and DH nowadays. Moreover, the impact of decreasing the heating demand from DH network does not benefit the environment, because the electricity has to be produced in power plants that produce more pollutants. It can be said also that the data obtained in PVsyst has been determined reliable and that the difference between the two types of batteries is not conclusive. It can be concluded that if the cost of the PV systems or the batteries would decrease, the profitability will be higher. Furthermore, the increase in the price of electricity, DH or governmental subsidies would improve the results. [--]
    Subject
    PV system, Battery storage, Hot water accumulator, Economic analysis, Environmental impact
     
    Degree
    Máster Universitario en Ingeniería Industrial por la Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoko Unibertsitate Masterra Industria Ingeniaritzan
     
    xmlui.dri2xhtml.METS-1.0.item-coveragespatial
    1: Suecia
    URI
    https://hdl.handle.net/2454/22842
    Appears in Collections
    • Trabajos Fin de Máster ETSIIT - TIIGMET Master Amaierako Lanak [309]
    • Trabajos Fin de Máster - Master Amaierako Lanak [1490]
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