The need for information about the planning and the technical processes has grown.
The expansion of the electricity grid is a decisive component of the German energy transition. It also means that many people and institutions expect greater transparency in the different project stages.For the system operators, this means that local information campaigns have to be improved further and create opportunities for affected citizens, institutions and associations to give the project developer advice and recommendations.In this context, explaining technically complex themes in an understandable and visual manner is a particular challenge. For instance, many citizens find it hard to assess the possible effects of high-voltage transmission lines' electrical and magnetic fields (EMF).The 50Hertz pilot project therefore also focuses on the development of communication measures that should render technically challenging subjects more accessible and provide specific answers to the questions asked.
In determining communication measures, 50Hertz focused on the direct exchange with the population. In the autumn of 2014, for instance, a mobile information office toured the region affected by the pilot project right after the public project conference. In eleven places along the line, the company explained the current planning stage regarding the line construction project and enabled citizens to ask the expert team questions and offer suggestions.
During the tour, 50Hertz and the University of Duisburg-Essen also worked together to measure the electric and magnetic fields underneath the existing 220-kV overhead line between the substations of Bertikow and Pasewalk. The main objective was to show the correlation between the measured field strengths and the distance to the conductors in practice.Information material created in the scope of the project was used to build on these measures. What are electric and magnetic fields, where can they be found and who is the available contact? These and other questions are answered in the brochure on electric and magnetic fields: measure, classify, understand (download in German). Where the existing overhead line was not directly accessible, a documentary film was played to show the approach.
The project was furthermore characterised by the cooperation between system operators and nature conservation and environmental protection associations. Jointly organised meetings did not only deal with the course of the project, but also intensively discussed the theme of bird protection during grid development. This made it possible to gather important information for the further planning of the project and integrate it into the ongoing approval procedure.
What 50Hertz concludes from the BESTGRID project:
The experiences gathered through the pilot project are consolidated by the BESTGRID project partners and evaluated together. The most important conclusions are published in the form of a handbook and should be used as best practicies for grid development projects.
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Further information on the BESTGRID project can be found here: