Nexans has inaugurated Stella Nova, a Center of Excellence dedicated to pioneering electrification technologies, and unveiled a world-first demonstration of superconducting cables designed for the next generation of data centers.

A press release said that the center, located on the Panattoni Campus in Hanover, Germany, hosts more than 70 experts in engineering, research and manufacturing in the 9,000-sq-m facility. It focuses on three areas: high-precision forming and welding machinery, advanced cryogenic systems for safe fluid transfer, and superconducting cable and Fault Current Limiter systems. The high-voltage laboratory can be used for testing both conventional and superconducting cables and components.

The inauguration included a live demonstration of superconducting low-voltage AC and DC cables, a breakthrough designed to meet the soaring energy demands of hyperscale data centers. These cables can transmit up to 10 times more power than conventional solutions, with zero energy loss, minimal heat generation, and a dramatically reduced infrastructure footprint—critical advantages as data center power consumption is projected to reach 10% of global electricity demand by 2030.

“Superconductivity is revolutionizing the path toward a more efficient and modern energy grid,” said Nexans Corporate VP Director of Innovation Jérôme Fournier. “With Stella Nova, we’re accelerating the energy transition and supporting the digital economy’s sustainability goals.”