Applied Energy 154 (2015) 794–804 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Assessing ‘‘gas transition’’ pathways to low carbon electricity – An Australian case study Jenny Riesz , Peerapat Vithayasrichareon, Iain MacGill UNSW Australia, School of Electrical Engineering and Telecommunications and Centre for Energy and Environmental Markets, Sydney, NSW 2052, Australia highlights graphical a bstract High gas electricity portfolios are higher cost and risk compared with renewables. High gas portfolios do not achieve required greenhouse gas emissions reductions. Optimal portfolios are 60% renewables by 2030 and 80–100% by Firm capacity is provided by coal-ﬁred plant in a peaking role rather than gas. ar ti c l e i nf o ab stra ct Article history: Future generation portfolios including varying quantities of gas-ﬁred and renewable generation were Received 9 March 2015 compared on the basis of expected costs, cost risk and greenhouse gas emissions, with a view to under- Received in revised form 8 May 2015 standing the merits and disadvantages of gas and renewable technologies. A Monte-Carlo based genera- Accepted 20 May 2015 tion portfolio modelling tool was applied to take into account the effects of highly uncertain future gas Available online 6 June 2015
Applied Energy – Elsevier
Published: Sep 15, 2015
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