A review of combined wave and offshore wind energy

Pérez-Collazo, Carlos; Greaves, Deborah; Iglesias, G.

doi:10.1016/j.rser.2014.09.032

Cited by 499 publications

(238 citation statements)

References 35 publications

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“…Three categories can be found, according to the water depth and the distance to the shore [5,23,25]:…”

Section: Fundamentals Of Operating Processesmentioning

confidence: 99%

“…Hence, hybrid systems combining solar, wind, and marine energies can now be developed to provide sustainable and reliable electrical energy. Wind and wave hybrid energy systems have already been developed, according to reviews written by different authors [5][6][7][8][9]. Some multipurpose platforms have been studied in terms of feasibility [10,11].…”

Section: Introductionmentioning

confidence: 99%

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Electrical Power Supply of Remote Maritime Areas: A Review of Hybrid Systems Based on Marine Renewable Energies

et al. 2018

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Abstract:Ocean energy holds out great potential for supplying remote maritime areas with their energy requirements, where the grid size is often small and unconnected to a continental grid. Thanks to their high maturity and competitive price, solar and wind energies are currently the most used to provide electrical energy. However, their intermittency and variability limit the power supply reliability. To solve this drawback, storage systems and Diesel generators are often used. Otherwise, among all marine renewable energies, tidal and wave energies are reaching an interesting technical level of maturity. The better predictability of these sources makes them more reliable than other alternatives. Thus, combining different renewable energy sources would reduce the intermittency and variability of the total production and so diminish the storage and genset requirements. To foster marine energy integration and new multisource system development, an up-to-date review of projects already carried out in this field is proposed. This article first presents the main characteristics of the different sources which can provide electrical energy in remote maritime areas: solar, wind, tidal, and wave energies. Then, a review of multi-source systems based on marine energies is presented, concerning not only industrial projects but also concepts and research work. Finally, the main advantages and limits are discussed.

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“…Three categories can be found, according to the water depth and the distance to the shore [5,23,25]:…”

Section: Fundamentals Of Operating Processesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Electrical Power Supply of Remote Maritime Areas: A Review of Hybrid Systems Based on Marine Renewable Energies

et al. 2018

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“…These systems combine an offshore wind farm with a WEC array with independent foundation systems but sharing: The same marine area, grid connection, O & M equipment and personnel, port structures, etc. [51]. There are many synergies that could be exploitable to overcome some of the barriers that marine energies could present to entry into the market.…”

Section: Co-located Wind and Wave Energy Farmsmentioning

confidence: 99%

“…In this sense, combining wave energy systems with offshore wind farms has been regarded as a good solution to promote and accelerate the development of wave energy technology [50][51][52]; at the same time a better use of the marine resource would be achieved [53] and the installation and operation costs would be reduced by sharing common installations [53]. Besides, other synergies arise when this combination is considered, such as a better predictability of the energetic resource [49], smoothed power output [54] or enlarged weather windows for operation and maintenance tasks [55].…”

Section: Introductionmentioning

confidence: 99%

Enhancing Wave Energy Competitiveness through Co-Located Wind and Wave Energy Farms. A Review on the Shadow Effect

Astariz

Iglesias

2015

Energies

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Abstract:Wave energy is one of the most promising alternatives to fossil fuels due to the enormous available resource; however, its development may be slowed as it is often regarded as uneconomical. The largest cost reductions are expected to be obtained through economies of scale and technological progress. In this sense, the incorporation of wave energy systems into offshore wind energy farms is an opportunity to foster the development of wave energy. The synergies between both renewables can be realised through these co-located energy farms and, thus, some challenges of offshore wind energy can be met. Among them, this paper focuses on the longer non-operational periods of offshore wind turbines-relative to their onshore counterparts-typically caused by delays in maintenance due to the harsh marine conditions. Co-located wave energy converters would act as a barrier extracting energy from the waves and resulting in a shielding effect over the wind farm. On this basis, the aim of this paper is to analyse wave energy economics in a holistic way, as well as the synergies between wave and offshore wind energy, focusing on the shadow effect and the associated increase in the accessibility to the wind turbines.

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“…Since 2005 to 2014, even if the conversion to energy of RES does not always have a positive relationship with sustainability, RES exploitation has gained ground to the detriment of conventional resources. A solution of this problem in order to decrease the LCOE (levelized the cost of electricity) and diminish the risk/reward factor is to use for the exploitation of multiple RES one common system [34][35][36]. This solution can have crucial benefits.…”

Section: Introductionmentioning

confidence: 99%

A Joint Evaluation of the Wind and Wave Energy Resources Close to the Greek Islands

et al. 2017

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Abstract:The objective of this work is to analyze the wind and wave energy potential in the proximity of the Greek islands. Thus, by evaluating the synergy between wind and waves, a more comprehensive picture of the renewable energy resources in the target area is provided. In this study, two different data sources are considered. The first data set is provided by the European Centre for Medium-Range Weather Forecasts (ECMWF) through the ERA-Interim project and covers an 11-year period, while the second data set is Archiving, Validation and Interpretation of Satellite Oceanographic data (AVISO) and covers six years of information. Using these data, parameters such as wind speed, significant wave height (SWH) and mean wave period (MWP) are analyzed. The following marine areas are targeted: Ionian Sea, Aegean Sea, Sea of Crete, Libyan Sea and Levantine Sea, near the coastal environment of the Greek islands. Initially, 26 reference points were considered. For a more detailed analysis, the number of reference points was narrowed down to 10 that were considered more relevant. Since in the island environments the resources are in general rather limited, the proposed work provides some outcomes concerning the wind and wave energy potential and the synergy between these two natural resources in the vicinity of the Greek islands. From the analysis performed, it can be noticed that the most energetic wind conditions are encountered west of Cios Island, followed by the regions east of Tinos and northeast of Crete. In these locations, the annual average values of the wind power density (Pwind) are in the range of 286-298.6 W/m 2 . Regarding the wave power density (Pwave), the most energetic locations can be found in the vicinity of Crete, north, south and southeast of the island. There, the wave energy potential is in the range of 2.88-2.99 kW/m.

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A review of combined wave and offshore wind energy

Cited by 499 publications

References 35 publications

Electrical Power Supply of Remote Maritime Areas: A Review of Hybrid Systems Based on Marine Renewable Energies

Electrical Power Supply of Remote Maritime Areas: A Review of Hybrid Systems Based on Marine Renewable Energies

Enhancing Wave Energy Competitiveness through Co-Located Wind and Wave Energy Farms. A Review on the Shadow Effect

A Joint Evaluation of the Wind and Wave Energy Resources Close to the Greek Islands

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