Sumitomo begins $546 million, 186-mile underground cable in Germany

(UI) — Sumitomo Electric has begun installing a 525kV high-voltage direct current (HVDC) underground cable system for Germany’s Corridor A-Nord project, a $546 million effort critical to the country’s energy transition.

The project, awarded by transmission system operator Amprion GmbH, involves approximately 186 miles of XLPE HVDC underground cable connecting converter stations in Petkum near Emden and Osterath near Düsseldorf. The contract covers design, manufacturing, logistics, installation, jointing, commissioning, and maintenance.

“We are deeply honored to commence the installation of our 525kV XLPE HVDC cable system for Corridor A-Nord. This project represents a significant step in Germany’s energy transition, and we are proud to contribute through our advanced cable technologies. We remain committed to maintaining the highest standards of quality, safety, and collaboration throughout this important endeavor,” said Yasuyuki Shibata, Senior Executive Officer of Sumitomo Electric.

To mark the start of work, Sumitomo held a traditional Japanese safety prayer ceremony, known as Anzen Kigan-sai. “In Japan, we have a long tradition of holding safety ceremonies, known as Anzen Kigan-sai. These ceremonies are deeply rooted in our culture and history, reflecting our commitment to ensuring safety in all endeavors,” said Project Director Teruaki Kawaguchi.

The Corridor A-Nord project is part of Germany’s broader energy transition strategy, aiming to expand renewable integration and reduce carbon emissions by strengthening the country’s high-voltage network.

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