Power & Energy Solutions

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Since 1997, DHSS has been involved in offshore energy projects, carried out in the Southern North Sea. The company established its name in the industry, as a provider of vessel agency services and helicopter operations, for complicated offshore projects. Thus, providing an important interface, between offshore and onshore, delivering tailor made services. First contact with offshore wind Our experience in logistics and safety standards gained from working in the oil & gas industry, strengthened the firm when adding offshore wind to our portfolio in 2016, the main other area in the offshore energy sector. In 2016, the largest offshore wind farm in Europe at that time, Gemini, was built 85 kilometres off the coast of the Netherlands. The first involvement in offshore wind for DHSS, was acting as the control tower for the helicopter operations during the installation phase.

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Recent discussions, about offshore wind resource estimation, demonstrated the need for more sophisticated wake models to reduce the risk of overestimating power production. In this context, ZephyScience developed a new computation methodology, empowered by its cloud-computing services. This topic emerged over the past few months: wake models used up until now by the wind resource community are ignoring the so-called ‘blockage effect’, resulting from the two-way coupling between wind turbines and the atmosphere. According to DNV-GL, unaccounted losses from the blockage effect can represent up to 4% of the mean annual energy yield. Therefore, an accurate modeling of wake and blockage effects should be implemented, in order to perform correct estimations of future production.

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PES Wind caught up with Stefan Weber, the founder and Managing Director of WINDSOURCING.COM. It was a great meeting and we were impressed with the new additions to their solutions. From a small online service to an online B2B shop, 9 years later, boasting some of the top players in the wind industry as customers, or suppliers. PES: Hi Stefan, it’s a real pleasure to welcome you back to PES Wind. We’ve spoken a lot to you and your team over the last few years and we have seen your company go from strength to strength. As always, we are happy to say that once again we have many new readers, so for their benefit please could you give us a brief overview of WINDSOURCING.COM? Stefan Weber: Thank you very much for having us again. I am very happy that we are able to talk to PES Wind bring you up to date on what’s happening, In short, our business model can be described as follows: supplying all spare parts, accessories, and materials for the maintenance and repair of wind turbines, from a single source. In short, everything that the service part of the wind energy sector demands. This is the

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