Investigation of hybrid renewable energy system (HRES) for covering energy and water needs on the Island of Karpathos in Aegean Sea

S. Skroufouta and E. Baltas

Renewable Energy, 2021, vol. 173, issue C, 141-150

Abstract: The exploitation of RES and their combination with desalination may be the solution to water scarcity and volatility of the electricity grids in remote offshore areas around the world. This research work investigates an HRES of a 12 MW wind park, a 1.8 MW photovoltaic park and a 1000 m3/d desalination plant in Karpathos, Greece. Concerning the wind and solar power, 30% and 20% respectively is integrated to the grid and the remaining is obtainable for desalination and water pumping, which is used as energy storage. The surplus energy returns to the grid, reducing the deficit. The project’s lifespan is 40 years, rendering the stochastic time series necessary and the paper culminates in the economic sustainability investigation of this HRES. Several results can be obtained, as follows: i) the HRES′ reliability is high, since the system is able to cover the entire drinking water needs of the island, 89.75% of irrigation and 50.63% of energy needs. ii) The wind and solar potential of Karpathos has a decisive role, possessing the 3.02% of the total produced energy. iii) The IRR of various selling prices of desalinated water and energy ranges from 10% to 17%, rendering the investment viable and even profitable.

Keywords: HRES; Wind power; Hydroelectricity; Stochastic time series; Water management; Karpathos Island (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:173:y:2021:i:c:p:141-150

DOI: 10.1016/j.renene.2021.03.113

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