Dr Jan Kroon
- PV Modules
For TNO, this research is part of a series of activities aimed at using as much of the existing surface area as possible to generate solar energy. This always involves a good balance between maximum yield and integration into the environment, both on land and on water. Within TNO various areas of expertise and labs contribute to these projects. These include components for offshore solar energy (modules and electronics), complete systems, as well as new measuring methods to investigate systems and components, such as the sensors and power meters with which TNO equips the panels to measure the performance of the modules under various conditions. Amongst other things, this should show the influence of significant fluctuations on the energy yield.
The first floating pontoons of the Oceans of Energy company have now endured storms and high waves at a test site off the coast of Zeeland. This is a first step to demonstrate that offshore solar parks can remain operational in severe weather conditions. TNO is involved in this project entitled 'Zon op Zee' to investigate the design options and yields of the solar energy system. In this project the maritime research institute MARIN researches the robustness in high waves, initially using scale models in a test basin. TNO is gathering data over four seasons to be able to evaluate the performance of solar modules at sea. It is also interesting to use these data to compare the yield with that of solar panels on land.
In addition to the approach based on rigid structures, TNO, together with other parties, is investigating a concept based on a flexible structure. This work is taking place in a project called Solar@Sea. The basic idea here is to allow the float structure to move optimally with the waves and to apply flexible solar panels in the process. In this way, we may be able to come up with an alternative solution that can withstand the forces of nature and achieve a high yield. The first trials of this concept on inland waterbodies are promising.
TNO is contributing to the new Hollandse Kust (north) offshore wind farm to be built by the CrossWind consortium, a joint venture between Shell in the Netherlands and Eneco. Together with CrossWind, TNO is working on the research and demonstration of solar energy at sea at this new offshore wind farm. The Hollandse Kust (North) offshore wind farm is expected to be operational in 2023. The demonstration of offshore solar at this location will be 0.5 MWp and is planned for 2025.
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