Due to the emergent status of ocean energy technologies, the study of how to reduce the cost of energy to a level competitive with other renewable energy alternatives is an important aspect of sector development. In this work, a technology case study related to the Levelised cost of energy (LCOE) of two wave energy devices (multipoint absorber and attenuator) and three tidal energy devices (fixed bottom mounted, fixed surface piercing and floating) is presented. The impacts of a number of project enhancements or changes on the LCOE are investigated, and the pathway towards a reduced LCOE is presented. In addition, the differences between the state of tidal and wave prototypes are highlighted therefore reinforcing the different needs of the wave and tidal energy sectors as they progress on the path towards a reduced LCOE.

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AdeAndres_AMacGillivray 2