SoftBank says it will invest up to €75 billion to build French data centers

SoftBank Group Corp. has announced a staggering commitment to the European technology ecosystem, pledging up to €75 billion to develop and operate a massive network of data centers across France. The initiative aims to add 5 gigawatts (GW) of capacity—a figure that dwarfs many existing regional investments—positioning France as the primary computational hub for SoftBank’s global AI ambitions. This move represents a pivot from the firm’s traditional role as a venture capital powerhouse toward becoming a foundational infrastructure provider for the artificial intelligence era.

The decision arrives at a pivotal moment for France, which has aggressively branded itself as the "AI capital of Europe" under the leadership of President Emmanuel Macron. Historically, France has leveraged its robust nuclear energy sector and favorable tax incentives for R&D to attract tech giants. However, SoftBank’s entry marks a different scale of engagement. While Microsoft and Amazon have recently made multi-billion dollar commitments to the region, Masayoshi Son’s strategy suggests a deeper vertical integration, linking SoftBank’s semiconductor interests in Arm with the physical hardware and real estate required to run large-scale foundational models.

Mechanically, the success of a 5GW rollout hinges entirely on energy procurement and grid stability. One gigawatt is approximately the output of a large nuclear reactor; thus, SoftBank’s proposal requires the energy equivalent of five such units. This will likely necessitate a complex web of Power Purchase Agreements (PPAs) and a reliance on France’s state-backed utility, EDF. By focusing on France, SoftBank is betting that the nation’s decarbonized energy mix—predominantly nuclear and renewable—provides a more stable and ethically defensible platform for power-hungry AI workloads than the coal-heavy grids found in parts of the United States or Central Europe.

From an industry perspective, this investment signals a land grab in the "sovereign AI" movement. European regulators have become increasingly wary of the continent’s reliance on American "hyperscalers" like Google Cloud and AWS. By planting a massive infrastructure flag in French soil, SoftBank is positioning itself as a strategic partner to both the EU and private European enterprises that require localized data processing to comply with strict GDPR and AI Act mandates. It also intensifies the competition for specialized construction talent and high-end cooling systems, commodities that are currently in short supply worldwide.

Furthermore, the scale of this investment reflects SoftBank’s broader "Project Izanagi" strategy—Son’s reported $100 billion plan to build an AI chip venture that can rival Nvidia. To make such a venture viable, SoftBank needs a captive market: a network of data centers where its own chips can be deployed at scale. This €75 billion French project may serve as the primary laboratory and host for SoftBank’s proprietary hardware, creating a closed-loop ecosystem of silicon, software, and physical infrastructure that could disrupt the current dominance of the US-based cloud giants.

Looking ahead, the primary hurdle will be the timeline of execution and the reality of local opposition. Large-scale data centers face increasing scrutiny regarding their water consumption and impact on local power prices. As SoftBank begins the permitting process, the industry will be watching to see if the French government can streamline bureaucracy to match its pro-tech rhetoric. Investors should also monitor how SoftBank finances this gargantuan undertaking, as the firm’s balance sheet remains a point of intense interest following its pivot back to aggressive growth. If successful, France could become the indisputable compute engine of the Western world, while SoftBank reinvent itself as the landlord of the global AI economy.