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Press Release31 May 2021Siemens EnergyMunich
Siemens Energy makes renewable energy transportable on German SuedOstLink electricity highway
The converter stations, designed to convert direct to alternating current and vice versa, will be built at Wolmirstedt in Saxony-Anhalt and near Landshut in Bavaria. In the case of excess wind energy, the northern Wolmirstedt converter station will convert the alternating current into direct current. The energy will be transported to the south via underground cables with a voltage of 525 kilovolts. The Isar station in the south will convert the incoming direct current back into alternating current and feed it into the distribution network.
Up to two gigawatts of electricity can be transported in both directions to flexibly react to fluctuations in electricity demand and supply. The transmission capacity will be sufficient to supply more than four million households with electricity.
"An essential component of the energy transition is an efficient grid,” said Tim Holt, member of the Executive Board of Siemens Energy. “If we want to exploit the full potential of renewable energies and thus also of the energy transition, the transmission networks must be expanded accordingly. We are pleased to be able to make an important contribution to the European energy transition with SuedOstLink."
The high-voltage direct current (HVDC) link will include Siemens Energy’s market leading HVDC PLUS with voltage-sourced converters (VSC) based on modular multi-level converter (MMC) technology. Compared to other technologies, these systems offer advantages for the overall network operation, including flexible power control, also in regard to reactive power, and black start capability to restore the network power supply. The project represents the most powerful HVDC system in VSC technology worldwide.
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Siemens Energy is one of the world’s leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain – from power generation and transmission to storage. The portfolio includes conventional and renewable energy technology, such as gas and steam turbines, hybrid power plants operated with hydrogen, and power generators and transformers. More than 50 percent of the portfolio has already been decarbonized. A majority stake in the listed company Siemens Gamesa Renewable Energy (SGRE) makes Siemens Energy a global market leader for renewable energies. An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. Siemens Energy employs more than 90,000 people worldwide in more than 90 countries and generated revenue of around €27.5 billion in fiscal year 2020.