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Life Cycle Analysis of Solar Photovoltaic and Coal-based Electricity Generation: Case Study Refers to Sri Lanka's Domestic Energy Consumption

Tenis Ranjan Munaweera Thanthirige, Udayanga Indunil Kumara Galappaththi, Jayawickrama Chaminda Kumara Kadabadu, Krishna Busawon, Thara Deepal Godellawatte Wedage

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)

    Abstract

    The study compares the environmental impact of coal-fired electricity generation and solar photovoltaic (PV) systems for generating domestic-level electricity demand for Sri Lankan households. In Sri Lanka, the average roof size and power consumption of detachable houses were estimated to be 20-50m2 and 130kWh per month, respectively. The installation costs of on-grid, off-grid, and hybrid solar PV systems were then compared to determine the best system to install. Based on the country's economic situation and power outage trends, an offgrid solar PV system was chosen as the best solar system for domestic-level applications in Sri Lanka. Following that, a lifecycle assessment (LCA) was performed to compare the environmental impacts of using off-grid solar PV and coalpowered thermal power systems to generate 310kWh per month for 20 years. The LCA results revealed that the rooftop-installed solar PV system was the most environmentally friendly electricity generation method in Sri Lanka for domestic-level applications. The authors emphasized the significance of potential changes to the Sri Lankan National Energy Policy by implementing the NetZero vision at the local household level.

    Original languageEnglish
    Title of host publication2022 7th International Conference on Environment Friendly Energies and Applications
    Subtitle of host publicationRenewable and Sustainable Energy Systems, Hybrid Transportation Systems, Energy Transition, and Energy Security
    PublisherIEEE
    Number of pages6
    ISBN (Electronic)9798350333213
    ISBN (Print)9798350333220
    DOIs
    Publication statusPublished - 16 Dec 2022
    Event7th International Conference on Environment Friendly Energies and Applications, EFEA 2022 - Bagatelle Moka MU, Mauritius
    Duration: 14 Dec 202216 Dec 2022

    Publication series

    NameProceedings of the IEEE International Symposium on Environment Friendly Energies and Applications
    PublisherIEEE
    ISSN (Print)2641-5925
    ISSN (Electronic)2688-2558

    Conference

    Conference7th International Conference on Environment Friendly Energies and Applications, EFEA 2022
    Country/TerritoryMauritius
    CityBagatelle Moka MU
    Period14/12/2216/12/22

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy
    2. SDG 8 - Decent Work and Economic Growth
      SDG 8 Decent Work and Economic Growth
    3. SDG 12 - Responsible Consumption and Production
      SDG 12 Responsible Consumption and Production

    Keywords

    • domestic level energy generation
    • lifecycle assessment
    • Solar PV systems
    • thermal power generation

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