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Nemo Contracts Japanese cable

By: Tom Russell 08/06/2015 Elia

General Grid Interconnectors Substations

Nemo Link today announced the two winning contractors who will build the first electricity interconnector between GB and Belgium. They are Siemens and J–Power Systems, the Japan-based company, a subsidiary of Sumitomo Electric Industries, Ltd.

The overall value of the contracts combined is €500m (£367m) ($566m). Siemens have been tasked to build the converter stations in both Kent and Zeebrugge using their HVDC Plus technology. They will have a 5 year service and maintenance agreement. J-Power systems will design, manufacture and install the state of the art HVDC2 XLPE cable system, this is the first time it will be used operationally as a High Voltage Direct Current link at 400kV.

Nemo Link is a joint venture between National grid and the Belgium Transmission system operator, Elia. The project is set to provide 140 Kilometers of HVDC cable. This 1000 MW subsea connection between The United Kingdom and Belgium will increase energy security for both countries.

“We are delighted that Siemens and J-Power Systems have won these contracts. The use of this state-of-the-art cable technology allied to the very efficient converter stations will make Nemo Link the most innovative interconnector in Europe, bringing new supplies of competitively-priced electricity to the market” said Markus Berger, Nemo Link board member.

Sadao Fukunaga, J-Power Systems Corporation president said: “This is a great honour for us. It is the first time the state-of-the-art HVDC cable technology of Japan will be adopted in such an important European infrastructure project. Our long term experience of similar projects will help us to deliver Nemo Link successfully and on time.”

Siemens will be responsible for the turnkey installation of both converter stations delivering 1000 MW with a transmission voltage of 400 kV DC. Siemens HVDC Plus technology allows efficient transportation of electrical power over large distances and in particular for subsea ventures.

The converter stations will convert AC to DC and DC back to AC on the other side of the link. This system is highly controllable and allows power to flow in both directions. The power converters contribute to a high level of stability in the transmission system.

Tim Dawidowsky, CEO of the Transmission Solutions Business Unit at Siemens said “We are very pleased to be working with Nemo link on another HVDC landmark project that will support the integration of the European energy market,” In addition to “Siemens is a world leader in highvoltage direct current transmission and has installed projects in its HVDC Plus technology with a total capacity of 4.6 Gigawatt worldwide.”

For more information on the interconnector details or the cable location please following the links below:

Interconnector details

Cable location

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Nemo Contracts Japanese cable

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