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Integration of wave power farms into power systems of the Adriatic islands: technical possibilities and cross-cutting aspects

Wave energy is of interest for regions with a high wave power potential as well as for regions with a modest wave power potential such as the Adriatic / Mediterranean coastlines and islands. In the present paper, a possibility to integrate a wave power farm to a power system of an island in the Adriatic Sea, combining the wave power with a battery energy storage system (BESS) and a solar PV, is explored and impact on the local weak low voltage grid is investigated. The load profile is typical for an Adriatic island demand (consumption) when the demand substantially increases during summer (the tourist season). The wave power technology is a point absorbing wave energy converter (WEC) with a direct drive linear permanent magnet synchronous generator power take off. Wave power farms (WPFs) consist of two up to ten WECs. The study has shown that integration of a WPF consisting of two WECs into the grid is optimal and helps to reach zero grid exchange, and a BESS reduces the intermittency of the power flow into the grid. Since a potential wave power farm is to be installed in the recreating area, the technical study is complemented by discussion on cross-cutting aspects such as environmental and social impact.

wave power, point absorber, power system integration, cross-cutting aspects, Adriatic islands, low energy potential seas, wave power farm, wave energy converter, PV, BESS

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