Journal
APPLIED ENERGY
Volume 190, Issue -, Pages 891-901Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2017.01.011
Keywords
Electricity; Energy policy; Energy security; Energy systems modelling; Life cycle assessment; Renewable energy
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Energy security is a wide-ranging term to encompass issues such as security of supply, reliability of infrastructures, affordability and environmental friendliness. This article develops a robust indicator the Renewable Energy Security Index, RESI- to enrich the body of knowledge associated with the presence of renewable energy technologies within national electricity prodtiction mixes. RESI is built by combining environmental life cycle assessment and techno-economic energy systems modelling. Spain and Norway are used as illustrative case studies for the prospective analysis of power generation from an energy security standpoint. In the Spanish case, with a diversified electricity production mix and a growing presence of renewable technologies, RESI favourably evolves from 0.36 at present to 0.65 in 2050 in a business-as-usual scenario, reaching higher values in a highly-restricted CO2 scenario. The Norwegian case study attains RESI values similar to 1 due to the leading role of renewable electricity (mainly hydropower) regarding both satisfaction of national demand and exportation of electricity surplus. A widespread use of RESI as a quantifiable energy security index of national power generation sectors is found to be feasible and practical for both analysts and energy policy-makers, covering a significant number of energy security aspects. (C) 2017 Elsevier Ltd. All rights reserved.
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