Integration of transport and renewable energy sectors in 100% renewable islands communities - Case study Lastovo

Pfeifer, Antun and Gašparović, Goran and Krajačić, Goran (2015) Integration of transport and renewable energy sectors in 100% renewable islands communities - Case study Lastovo. = Integration of transport and renewable energy sectors in 100% renewable islands communities - Case study Lastovo. In: 10th Conference on Sustainable Development of Energy, Water and Environment Systems, SDEWES Conference, Dubrovnik 2015, 27.09.-02.10.2015., Hrvatska.

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Abstract

This paper examines the integration of transport and energy production sectors for isolated islands communities. Present energy supply on Croatian islands relies on fossil fuels and electricity from the mainland. Exploitation of renewable energy sources, for which there is great potential on Croatian islands due to their geographic location and climate, leads towards self-sufficiency and sustainable development. In order to design a self-sufficient and sustainable island, integration of renewable energy sources alongside with energy savings is needed, with attention to be given to energy storage. In this paper, use of electric vehicles as energy storage for energy from RES is examined. Case study of island of Lastovo shows how transport and electricity needs can be accommodated through integration of energy flows to help communities to achieve energy self-sufficiency. Through scenario approach using H2RES and HOMER software, case study examines how integration of renewable energy sources and increase in penetration of electric vehicles to islands transport sector help integration of transport and energy production sectors in order to make Lastovo, which currently imports all of transport fuels and electricity supply from the mainland, a 100% energy self-sufficient island. The results show, through two different scenarios for the year 2020 with various degrees of EV integration in transport sector of Lastovo, the amount of RES penetration which can be implemented and how this affects the energy costs on the island. Also, an index of sustainable RES penetration is introduced to show the influence of environment preservation constraints on efforts to achieve 100% renewable supply of energy on the island.Scenarios present ambitious goal of 100% renewable energy system with 25% penetration of EV in islands transport sector in first scenario and 50% penetration of EV in second scenario. In first case energy consumption in transport was also decreased from 12 TJ (without EV) to 9.89 TJ, and with 50% EV there was further decrease to 7.85 TJ of primary energy consumption in transport sector. Electricity consumed by EV was supplied from RES and reached 235 MWh in first scenario and 470 MWh in second scenario.Index calculations show significant difference between maximal renewable energy sources penetration and renewable energy penetration under influence of environment protection constraints.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): RES integration, 100% renewable islands, electric vehicles, energy storage
Subjects: SOCIAL SCIENCES > Information and communication sciences
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 14 Apr 2016 10:54
Last Modified: 20 Sep 2017 07:19
URI: http://repozitorij.fsb.hr/id/eprint/5633

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