Calculation of the Levelised Cost Of Energy (LCOE) of floating offshore wave energy devices

Castro-Santos, Laura; Martins, Elson; Soares, C

doi:10.1201/b18973-142

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“…The methodology proposed has been adapted from the floating offshore wind [24] and wave [25] life-cycle process and it is based on the life-cycle of floating offshore renewable energy devices (FOWEDs), which is composed by six main phases ( Figure 1): concept definition, design and development, manufacturing, installation, exploitation and dismantling. where C1 is the cost of concept definition, C2 is the cost of design and development, C3 is the cost of manufacturing, C4 is the cost of installation, C5 is the cost of exploitation and C6 is the cost of dismantling.…”

Section: General Viewmentioning

confidence: 99%

Methodology to Calculate the Costs of a Floating Offshore Renewable Energy Farm

2016

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This paper establishes a general methodology to calculate the life-cycle cost of floating offshore renewable energy devices, applying it to wave energy and wind energy devices. It is accounts for the contributions of the six main phases of their life-cycle: concept definition, design and development, manufacturing, installation, exploitation and dismantling, the costs of which have been defined. Moreover, the energy produced is also taken into account to calculate the Levelized Cost of Energy of a floating offshore renewable energy farm. The methodology proposed has been applied to two renewable energy devices: a floating offshore wave energy device and a floating offshore wind energy device. Two locations have been considered: Aguçadoura and São Pedro de Moel, both in Portugal. Results indicate that the most important cost in terms of the life-cycle of a floating offshore renewable energy farm is the exploitation cost, followed by the manufacturing and the installation cost. In addition, the best area in terms of costs is the same independently of the type of floating offshore renewable energy considered: Aguçadoura. However, the results in terms of Levelized Cost of Energy are different: Aguçadoura is better when considering wave energy technology and the São Pedro de Moel region is the best option when considering floating wind energy technology. The method proposed aims to give a direct approach to calculate the main life-cycle cost of a floating offshore renewable energy farm. It helps to assess its feasibility and evaluating the relevant characteristics that influence it the most.

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Section: General Viewmentioning

confidence: 99%