Scaleway acquires Qarnot to bolster European high-performance computing and heat recovery

This acquisition addresses the dual pressures of rising European energy costs and tightening sovereignty requirements for high-density AI and HPC workloads. By incorporating specialized hardware that reuses waste heat, Scaleway gains a competitive advantage for regulated sectors like finance and aerospace where power efficiency and data residency are non-negotiable. For the broader ecosystem, it signals a shift toward vertically integrated 'sovereign stacks' that compete with U.S. hyperscalers not just on cost, but on regulatory compliance and circular energy models. As EU climate policies demand greater efficiency, watch for Scaleway to deploy Qarnot’s liquid-cooling tech across its entire portfolio to lower regional PUE averages.

The acquisition aligns with a broader push for European digital independence amid increasing regulatory oversight of data centers. Per the IDC MarketScape European Public Cloud IaaS 2024 report in August, sovereign infrastructure is now a primary differentiator for French providers like Scaleway and OVHcloud against U.S. hyperscalers. This trend is reinforced by the EU Energy Efficiency Directive, which requires data centers over 1 MW to assess waste-heat recovery feasibility—an area where Qarnot’s technology offers immediate compliance advantages for Scaleway’s expanding footprint.

Simultaneously, competition for high-end compute is intensifying as European players scale their AI infrastructure. In June 2024, Scaleway parent Iliad Group announced a €3 billion investment plan to build up to 19 'AI factories' across Europe. This roadmap includes the deployment of thousands of NVIDIA H100 and Blackwell GPUs, targeting a 200MW 'AI Gigafactory' via the AION consortium. By absorbing Qarnot, Scaleway secures the specialized engineering capacity needed to support these high-density clusters while maintaining the sovereign, open-source focus that characterizes the 'AI Continent Action Plan'.

The market for sovereign cloud options is also expanding through new regional offerings from global giants. Per AWS in early 2026, the launch of the AWS European Sovereign Cloud provides a local infrastructure governed by EU personnel to compete directly with native providers for regulated sector contracts. This entry has increased pressure on European incumbents to demonstrate superior price-to-performance and energy efficiency. According to the Callista benchmark from February 2026, Scaleway delivered nearly five times the compute value per euro of traditional hyperscalers for equivalent workloads, a metric the Qarnot acquisition is likely intended to preserve as power costs rise.