Federal Network Agency Workshop on Technology Options to Cover Capacity Needs in Transmission Networks

The Federal Network Agency (Bundesnetzagentur) has published the results of its workshop on technology options to cover capacity needs in transmission networks of 9 July 2010. 

90 representatives from academia, industry, network operation, authorities and environmental groups participated. Progress in network extension was considered necessary to ensure long term stability for the transmission of large quantities of renewable energy from Germany’s north to the south. New transmission technologies can supplement but not replace network expansion.

Matthias Kurth, president of the Federal Network Agency summed up the main results of the workshop: The political aim of low or no carbon electricity generation after 2015 requires a network adjustment and expansion in line with demand. During the workshop, none of the participants from academia and industry saw a realistic alternative to the 24 projects covered by the Energy Line Expansion Act (Energieleitungsausbaugesetz – EnLAG). In addition, experts think we do not yet have the technology to meet the challenge of transporting another 12 GW in renewable energy from 2020 on from the north of Germany to the south.

High voltage direct current (HVDC) technology and high-temperature low sag conductors were key points of discussion. Another option was a new alternating current network using the railway frequency. This could be particularly relevant for the connection of offshore wind parks.

Documents from workshop are available on the website of the Federal Network Agency.

Sources: Federal Network Agency

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