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Sustainable island power system – Scenario analysis for Crete under the energy trilemma index

Zafeiratou, E; Spataru, C; (2018) Sustainable island power system – Scenario analysis for Crete under the energy trilemma index. Sustainable Cities and Society , 41 pp. 378-391. 10.1016/j.scs.2018.05.054. Green open access

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Abstract

Sustainable energy supply is an essential part for economic and social development in every society. Islands as geographical isolated regions have to confront a number of challenges to secure a reliable and clean energy system. Currently, electricity demand on the Greek island of Crete is supplied by oil-fired engines imposed to new emissions restrictions applied from 2020. Thus, a capacity upgrade is necessary and new solutions driven by renewable energy, energy storage and interconnections. This study investigates three scenarios: Business as Usual (BAU); Natural Gas (NG); and the Interconnection of Crete with the National Grid System (Int.) to assess the potential techno-economic and environmental impact of the required transition under the Energy Trilemma Index. A capacity expansion and operation optimisation process has been applied through a high resolution spatio-temporal analysis performed with PLEXOS Integrated Energy Model. It was concluded that no BAU Scenario could facilitate a future plan for the electricity system of Crete or any European island imposed to such constrains. The optimum scenario incorporates interconnectors and energy storage systems that manage to deliver 52% reduction in the total system costs (2020-2040), 79% in electricity prices and 48% reduction in GHG emissions by 2040, compared to the BAU.

Type: Article
Title: Sustainable island power system – Scenario analysis for Crete under the energy trilemma index
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.scs.2018.05.054
Publisher version: https://doi.org/10.1016/j.scs.2018.05.054
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: electricity, energy storage, energy trilemma, interconnections, islands, natural gas, renewable energy, scenarios
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10049725
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