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CoreWeave Launches AI Supercomputing Operations at Barcelona’s Largest Data Center

The 15 MW facility, leased from Merlin Edged, showcases resilience, renewable energy, and plans for a 2026 supercomputer upgrade.

Overview

  • CoreWeave has begun operations at Merlin Edged's 15 MW Barcelona data center, marking a major step in its $2.2 billion European expansion strategy.
  • The facility hosts an Nvidia H200 Tensor Core GPU supercomputer with InfiniBand connectivity and links to high-speed global networks via the Barcelona Cable Landing Station.
  • Equipped with eight biodiesel generators and 70,000 liters of fuel storage, the center maintained uninterrupted service during a power outage on April 28, 2025.
  • Merlin Edged invested €200 million in the facility, which operates entirely on renewable energy and features advanced cooling systems for sustainable performance.
  • CoreWeave plans to expand the site in 2026 with a next-generation Blackwell supercomputer, further enhancing its AI and cloud computing capabilities.