AI data center dossier

MareNostrum 5 Supercomputing Center

Barcelona, Catalonia, Spain/datacenters/marenostrum-5-supercomputing-center-spain.html

Country

Spain

Operator

Barcelona Supercomputing Center, EuroHPC JU, Lenovo

Energy

Grid (low-carbon with heat reuse)

Known capacity

10 MW

Evidence profile

Readiness reflects whether the record has citations, narrative context, structured power data, coordinates, and at least one dated milestone.

Readiness

100%

Sources attachedVerified

2 citations linked

CoordinatesPublished

41.389, 2.113

Timeline evidencePartial

1 dated field available

Machine-readable outputsPublished

HTML, JSON, and GeoJSON all available

Record Notes

MareNostrum 5 is a heterogeneous EuroHPC supercomputer installed at the Barcelona Supercomputing Center. Its Lenovo Neptune liquid-cooled CPU partition spans 6,400 Sapphire Rapids nodes delivering 40 petaflops, complemented by accelerator nodes with NVIDIA H100 GPUs and experimental European technologies for AI workflows. Warm-water cooling and building heat reuse keep PUE near 1.1 while the 314-petaflop system powers programs like Destination Earth's climate digital twins, precision medicine, and sovereign European language models.

Analyst Flags

No obvious coverage gaps detected in the current structured record.

Timeline Signals

Earliest market signal2023

Nearby Facilities

Other tracked AI data centers within 300 km of this location.

Related Facilities

Frequently asked questions

How big is MareNostrum 5 Supercomputing Center?
MareNostrum 5 Supercomputing Center has 10 MW of known IT capacity, located in Barcelona, Catalonia, Spain. It ranks #321 globally by capacity among 335 tracked facilities.
What is the status of MareNostrum 5 Supercomputing Center?
MareNostrum 5 Supercomputing Center is currently operational. Known timeline milestones: Earliest market signal 2023.
Who operates MareNostrum 5 Supercomputing Center?
MareNostrum 5 Supercomputing Center is operated by Barcelona Supercomputing Center and EuroHPC JU and Lenovo. Structured intelligence reports are available for Barcelona Supercomputing Center Operator Report and EuroHPC JU Operator Report and Lenovo Operator Report and Spain Country Report.
What energy source does MareNostrum 5 Supercomputing Center use?
MareNostrum 5 Supercomputing Center is powered by grid (low-carbon with heat reuse) energy and is focused on hpc / supercomputing workloads. This is backed by 2 cited sources.

Sources

  1. lenovo.comlenovo.com — us/en
  2. digital-strategy.ec.europa.eudigital-strategy.ec.europa.eu — en/news