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28 May 2018

2nd Seminar of the Thematic Working Group on Technology and Grid Design

Copyright: Hakan Uraz
Copyright: Hakan Uraz
Copyright: Hakan Uraz

Thematic Working Group Seminar on Technology and Grid Design: "Baltic Sea Offshore Wind Energy Grid Development 2035"

Another Thematic Working Group Seminar of the Baltic Offshore Grid Forum (BOGF) brought together project partners from the Baltic InteGrid Interreg project as well as other interested guests from various fields including academia, industry, consultancies and embassies. The seminar was held in Lyngby (Denmark) and was at the same time an official part of the Nordic Clean Energy Week. It thus provided an excellent framework to discuss future offshore wind power development in the Baltic Sea region.

In his contribution Pierre Stahl from Energy Agency for Southeast Sweden outlined the potential and challenges of offshore wind power installation in the Baltic Sea until 2050 and provided an overview over central objectives of Baltic InteGrid, which is a Flagship Project of the EU Strategy for the Baltic Sea Region. Vladislav Akhmatov from Energinet presented the control and design challenges for upcoming Kriegers Flak combined grid solution between Denmark and Germany. Tusitha Abeyasekera from MHI Vestas explained how electrical design of offshore wind turbines has evolved over the last years and outlined opportunities and obstacles for future development.

Other presentations explored the issue of cost-benefit evaluation. In this context Andreas Möser presented his research done at Lund University. As part of a pre-feasibility study he is currently investigating concrete scenarios for the installation of an interconnector between Sweden, Poland and Lithuania to which multiple offshore wind farms could be connected. Daniel Hermosilla Minguijon and Juan-Andrés Pérez-Rúa from the Technical University of Denmark (DTU) presented very complex and advanced algorithms for optimal design of offshore electrical infrastructure. Applications of these algorithms on the case studies showed substantial reduction of levelized cost of energy for offshore wind power.

In a nutshell, the seminar was well attended with enthusiastic participants. It painted an encouraging positive future for offshore wind power development in the Baltic Sea region.

For more details of the TWG seminar "Baltic Sea Offshore Wind Energy Grid Development 2035" please see the minutes of the seminar and the presentations:


Baltic InteGrid - What is the project about? (Pierre Ståhl, Energikontor Sydost)

Pre-feasibility study - Case study 1 (Andreas Möser, Lund University)

Weighing Costs and Benefits of a meshed grid in the Baltic Sea (Anna-Kathrin Wallasch, Deutsche WindGuard and Richard Weinhold, IKEM)

Wind Farms Collection System Design and Optimization (Daniel Hermosilla Minguijon, DTU Wind Energy)

Dynamic Cable Rating of AC export cables for Offshore Wind Farms applications (Juan-Andrés Pérez-Rúa, DTU Wind Energy)

A look at North Sea area scenarios developed in the NSON-DK project (Matti Koivisto, DTU Wind Energy)

Kriegers Flak Grid-Connection System: Automatic Voltage and Reactive Power Control (Vladislav Akhmatov, ENERGINET)