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Environmental Life Cycle Assessment of Grid-Integrated Hybrid Renewable Energy Systems in Northern Nigeria

  • Life cycle assessment is a crucial tool in evaluating systems performances for sustainability and decision-making. This paper provided environmental impact of integrating renewable energy systems to the utility-grid based on a baseline optimized energy production data from “HOMER” for renewable systems modelling of a site in northern Nigeria. The ultimate goal was to ascertain the best hybrid option(s) in sustaining the environment. Different assumptions and scenarios were modelled and simulated using Ganzleitlichen Bilanz (GaBi). Uncertainty analysis was ensured to the impact data based on pedigree-matrix and Excel-program, as well as overall policy relevance. The results of the impact categories revealed first scenario (i.e., conventional path-based) with the highest impacts on global warming potential (GWP), acidification potential (AP), human toxicity potential (HTP), and abiotic depletion potential (ADP fossils). The lowest impacts arise in the renewable-based scenarios for all the considered categories except the Ozone-layer depletion potential Category where the highest contribution falls in the third scenario (i.e., photovoltaic (PV)/biomass-biogas system) although all values being infinitesimal. In quantitative terms, the reduction in the GWP from the highest being the first scenario to the lowest being the fourth scenario (i.e., wind/biomass-biogas system) was 96.5%. Hence, with the outstanding contributions of the hybrid renewable systems, adopting them especially the lowest impact scenarios with expansions is relevant for environmental sustainability.

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Metadaten
Verfasserangaben:Ismail Abubakar Jumare, Ramchandra Bhandari, Abdellatif Zerga
URN:urn:nbn:de:hbz:832-epub4-14568
DOI:https://doi.org/10.3390/su11215889
ISSN:2071-1050
Titel des übergeordneten Werkes (Englisch):Sustainability
Jahr der Fertigstellung:2019
Dokumentart:Wissenschaftlicher Artikel
Sprache:Englisch
Datum des Hochladens:06.07.2020
GND-Schlagwort:Erneuerbare Energien; Hybrides System; Nigeria (Nord); Umweltbilanz
Freies Schlagwort / Tag:Environmental; Grid-integration; Hybrid renewable energy system; Life cycle assessment; Policy relevance; Uncertainty analyses
Jahrgang:11
Ausgabe / Heft:21
Seitenzahl:24
Fakultäten und Zentrale Einrichtungen:Institut für Technologie in den Tropen (ITT) / Institut für Technologie- und Ressourcenmanagement in den Tropen und Subtropen
DDC-Sachgruppen:600 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften und Maschinenbau
Open Access:Open Access
DeepGreen:DeepGreen
Lizenz (Deutsch):License LogoCreative Commons - CC BY - Namensnennung 4.0 International