Regional integration of renewable energy systems in Ireland - The role of hybrid energy systems for small communities

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dc.contributor.authorGoodbody, Craig
dc.contributor.authorWalsh, Eilín
dc.contributor.authorMcDonnell, Kevin
dc.contributor.authorOwende, Philip Elsevier Ltd.en
dc.identifier.citationInternational Journal of Electrical Power & Energy Systemsen
dc.description.abstractDue to a lack of indigenous fossil energy resources, Ireland's energy supply constantly teeters on the brink of political, geopolitical, and geographical unease. The potential risk to the security of the energy supply combined with the contribution of anthropogenic greenhouse gas emissions to climate change gives a clear indication of Ireland's need to reduce dependency on imported fossil fuels as primary energy source. A feasibility analysis to investigate the available renewable energy options was conducted using HOMER software. The net present cost, the cost of energy, and the CO2 emissions of each potential energy combination were considered in determining the most suitable renewable and non-renewable hybrid energy system. Wind energy was shown to have the greatest potential for renewable energy generation in Ireland: wind energy was a component of the majority of the optimal hybrid systems both in stand-alone and grid-connected systems. In 2010 the contribution of wind energy to gross electricity consumption in Ireland approximated 10%, and the results of this feasibility study indicate that there is great potential for wind-generated energy production in Ireland. Due to the inherent variability of wind energy the grid-connected system results are particularly relevant, which show that in more than half of the analyses investigating electrical energy demand the incorporation of wind energy offset the CO2 emissions of the non-renewable elements to such a degree that the whole system had negative CO2 emissions, which has serious implications for Kyoto Protocol emissions limits. Ireland also has significant potential for hydropower generation despite only accounting for 2% of the gross electricity consumption in 2010. Wind and hydro energy should therefore be thoroughly explored to secure an indigenous primary energy source in Ireland.en
dc.rightsThis is the author’s version of a work that was accepted for publication in International Journal of Electrical Power & Energy Systems. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Electrical Power & Energy Systems (Volume 44, Issue 1, January 2013, Pages 713–720) DOI:10.1016/j.ijepes.2012.08.012 Elsevier Ltd.en
dc.subjectHybrid energy systemsen
dc.subjectHOMER modelling softwareen
dc.subjectRenewable energy in Irelanden
dc.subjectWind energyen
dc.titleRegional integration of renewable energy systems in Ireland - The role of hybrid energy systems for small communitiesen
dc.typeJournal Articleen
dc.internal.availabilityFull text availableen
dc.statusPeer revieweden
dc.description.adminSB. 30/4/2013en
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