Abstract
The South West Regional Development Agency (SWRDA) is developing the South West wave hub off the north coast of Cornwall to provide an offshore power connection for pre-commercial testing of wave energy converter (WEC) devices. Halcrow Group Ltd (Halcrow) was commissioned to undertake the technical development of the wave hub and to produce an environmental impact assessment. As part of the coastal processes study mathematical modelling was undertaken in 2006 to assess the impact of the wave hub development (subsea facilities, interconnecting cables, offshore and onshore 24 kV cable and two alternative wave energy converter device layouts) on coastal processes (wave climate, tidal currents and sediment regime) and geomorphological processes. To identify the maximum potential environmental impact of the wave hub a conservative approach was adopted. The study demonstrated that the impact of the wave hub and WEC devices on coastal processes will be minimal. This paper presents the modelling results and preliminary conclusions.
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