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Celeste: OT – Rezé

Celeste OT – Rezé is located at 24 Rue Félix Eboué, 44400 Rezé, France. The gross building size for this location has not been provided. The gross colocation space is not available for this data center. No power information has been offered for this location. We found 16 data center locations within 50 miles of this facility. Certifications for this location include ISO 14001, ISO 27001, ISO 50001, ISO/IEC 20000.
Colocation Facility
Colocation

About OT – Rezé

The OT Data Center in Rezé, near Nantes, is a modern regional infrastructure site managed by Celeste. Designed as part of Celeste’s commitment to delivering decentralized, sovereign, and sustainable data infrastructure, this facility supports enterprise-grade colocation, public sector IT services, and edge cloud workloads across Pays de la Loire.

Strategic Location

  • Location: Rezé, Loire-Atlantique – strategically positioned within the Nantes metro area
  • Directly connected to Celeste’s national fiber backbone, enabling sub-10ms latency to Paris and western France

Design & Capacity

  • Facility Type: Tier III-equivalent modular architecture
  • Multi-zone layout for shared racks, private cages, and dedicated suites
  • Scalable electrical and mechanical systems to support varied workload sizes

Power & Cooling Infrastructure

  • Dual power feeds with 2N UPS redundancy and generator failover
  • N+1 free-cooling and precision air-conditioning, optimized for the Atlantic climate
  • Smart BMS for energy management and real-time environmental tracking

Sustainability & Energy Performance

  • Powered by 100% renewable electricity
  • Built using low-carbon construction methods and optimized PUE design
  • Targeting ISO 50001 and ISO 14001 environmental certifications

Security & Operations

  • On-site personnel with 24/7 surveillance and response protocols
  • Biometric access, mantraps, and perimeter fencing
  • Advanced fire suppression systems and remote NOC access for clients

Certifications & Compliance

  • ISO/IEC 27001 – Information Security
  • ISO/IEC 20000 – IT Service Management
  • ISO 50001 – Energy Efficiency
  • ISO 14001 – Environmental Management
  • HDS Certified – For hosting French health data
  • GDPR / RGPD Compliant – European data protection standards
  • Tier III-equivalent reliability for critical uptime assurance

Ideal Use Cases

  • Public services, education, and regional government IT hosting
  • Sovereign hybrid cloud for healthcare and SMEs
  • Disaster recovery for Nantes-based data centers
  • Localized SaaS, CDN, and edge compute delivery
  • Compliant hosting for financial, legal, and research organizations