![]() The reason for looking to optimize the Eagle Tower design was that a new OHL is in development and planned to use these due to their success on the earlier project. Now, as the need arises for new transmission interconnections, a project has started to investigate possibilities for a new design tower where the focus is still on aesthetics but now also on reducing cost.Īdvertisement Optimizing Eagle Tower Design At the time of construction of this line, the only real alternative to these design towers was putting cables in the ground, which came with a host of other issues. The Eagle Tower design, however, came with the downside of increased cost compared to the lattice towers traditionally used in Denmark but now no longer accepted. 1: Latest transmission towers erected in Denmark (from Kassø to Tjele). Construction of the line was deemed a success and use of these design towers received a high level of public appreciation. For example, the most recent new overhead transmission line in Denmark, running between Kassø and Tjele, had to employ special design structures, called Eagle Towers (see Fig. This edited 2019 contribution to INMR by Karl Emil Steenholt-Eliasson of Energinet discussed how new tower designs have been researched and tested to help overcome public opposition to new lines while at the same time also meeting the requirement of reducing costs.Įstablishing any new overhead line these days is seldom without issues since there is often strong public opposition. ![]() To ensure enough capacity within the grid, new overhead lines (OHL) are needed and planned. But having such large interconnectors places great new requirements on transmission grids given the volumes of power that will need to be transferred. This way, when there are periods of calm winds, energy can be imported from other areas and, when there is large wind production, excess power can be exported. One of the strategic goals at the Danish TSO, Energinet, has therefore been to become an Energy Hub by establishing additional interconnections with other countries. This has led to a total re-think of electricity infrastructure and how best to cope with energy input that is mostly unforeseeable. As such, many predominantly wind power plant projects, both onshore and offshore, are now in various stages of planning and development. In Denmark, there is the political intention that the energy sector must be 100% emission free by 2050 and that all electricity production must meet the goal of being environmentally friendly by 2030.
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