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FEATURE SPONSOR


SPOTLIGHT ON SWEDEN WAVE ENERGY BREAKTROUGH


Waves4Power have worked on the development of wave energy since the 1980s


Currently, they are testing a full scale complete wave energy system outside Runde in Norway. They have built the complete infrastructure from scratch to test everything from building grid connection point, cable laying, connection hub and wave power device. The system is now fully functional and has delivered electricity to the Norwegian grid since May 2nd, 2017.


IMPROVING RELIABILITY Waves4Power is a network company where their Partner companies are responsible for different sub systems. Together with Partner companies they have developed a new generation of sea cables for this type of application (NKT), and are working on improving reliability of electric conversion systems (Siemens), hydraulics (Parker), anti- foiling systems (Jotun), biological hydraulic oil (Petronas), testing marine operation (Olympic Shipping and


BlueOrbis) and monitoring of the complete system (MEA and Delacroy).


IMPORTANT PARTNER Chalmers University of Technology is an important Partner and contributes with the theoretical analysis of the system and future development of marine procedures and vessels. Waves4Power has now shown that the company can fulfil the three important criteria for success: survivability, serviceability, profitability.


Wave4Power’s next step is to build a completely new Next Generation buoy and hub together with new Partner companies. The aim is to half the cost for production and deployment and they intend to do that by using a combination of plastic and special steel components for their system.


Next Generation will be tested at Runde in Norway and the company plan to build a small array at EMEC on Orkney Islands to speed up their verification process.


FIRST COMMERCIAL PROJECT After that the plans are, together with a fish farming company, to build a wave power park to supply energy to fish farms close to open sea. This will be Wave4Power’s first real commercial project.


The development has been supported in part by the Swedish Energy Agency and partly by Norwegian Enova. The company have run projects together with NKT cables, Chalmers and RISE to test their cables. They plan considerable R&D projects for future development and together with Stryvo Group in Norway Waves4Power are preparing a production factory at Fiskå (Vanylven).


Waves4Power


TURNING THE TIDE


The development of European marine renewable wave and tidal energy is fuelled by new innovative ideas and concepts, solid manufacturing skills and a profound knowledge of nature’s resources, challenges and impacts


Success in the wave and tidal energy market will depend on reducing the risks involved in the development process. Reliable resource estimates and forecasts as well as sustainable, yet cost-efficient devices and structures are vital.


EXPERIENCE


DHI has been supporting the marine renewable industry for more than a decade providing accurate knowledge about wave and tidal energy resources, design and operational conditions as


well as assessment of possible impacts on nature itself.


The company has a long history of nature’s processes and wave and tidal energy developers in order to facilitate the successful implementation of technology in this emerging industry. Their support goes from initial testing of wave devices in their tanks and conducting detailed resource and impact assessments at sites – including the optimising of array configurations.


INDUSTRY INPUT They provided expert input on coastal processes for the EIA of the first commercial tidal projects successfully granted consent in Scotland. In addition, they’re currently providing a thoroughly calibrated and validated model of the Pentland Firth and Orkney


Island area to tidal and wave developers (under the patronage of The Crown Estate). This model will be utilised by the developers, among others, to conduct detailed resource assessments.


GLOBAL DEVELOPMENT


DHI has been exploring suitable sites for the development of marine energies in Europe, India, South-East Asia and Australia. The company have conducted projects in the marine environment in more than 100 countries around the world, drawing on extensive knowledge of marine structures and cabling to facilitate the transfer of knowledge from different marine-related industries to the wave and tidal energy industry.


DHI www.wavetidalenergynetwork.co.uk 31


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