Nvidia data centers could be developed at decommissioned German nuclear plants under an exploratory partnership with PreussenElektra, the E.ON subsidiary responsible for dismantling eight nuclear facilities. As of October 23, 2026, the companies were assessing potential reuse, with no specific site, investment amount or development plan approved.
Key Takeaways
- The partnership is a feasibility exercise, not a commitment to build data centers.
- Existing grid connections and industrial infrastructure are central to the potential reuse.
- Nuclear dismantling remains a separate process from any future computing project.
Table of Contents
- Nvidia data centers face a site-suitability test
- Dismantling provides the backdrop, not a reactor restart
- Conclusion
Nvidia data centers face a site-suitability test
The assessment will examine whether former nuclear locations can meet the technical and operating requirements of high-performance AI computing. PreussenElektra is considering long-term uses for the land and infrastructure as its nuclear facilities are dismantled.
The attraction is the possibility of reusing established industrial sites rather than developing entirely new locations. Existing electricity connections could offer an advantage, but the study must establish whether those connections and the available space are suitable for the proposed computing workloads.
That distinction matters for assessing the partnership: access to a former power-station site is not the same as confirmation that a data center can be built and operated there. The companies describe the work as exploratory, and no construction timetable has been established.
| Item | Details |
|---|---|
| Technology partner | Nvidia |
| Site partner | PreussenElektra, part of E.ON |
| Dismantling responsibility | Eight German nuclear facilities |
| Assessment criteria | Energy connections, available space, and technical and operational suitability |
Dismantling provides the backdrop, not a reactor restart
The German government's August 2026 update on nuclear dismantling described work at former plants including Isar 2, Grafenrheinfeld, Grohnde and Brokdorf. It said dismantling was at different stages across the facilities, underscoring that these are sites undergoing a lengthy industrial transition.
The proposed reuse concerns land and infrastructure, not a plan to restart nuclear electricity generation. A former plant's grid connection should therefore not be confused with an operating reactor supplying a future data center.
For Nvidia and PreussenElektra, the immediate question is whether any location can satisfy the feasibility assessment. The available information does not identify a selected site or establish how much computing capacity a project might eventually support.
Conclusion
The next milestone for Nvidia data centers at former nuclear sites would be a feasibility finding identifying a suitable location. Until then, the partnership remains an investigation into infrastructure reuse rather than an approved construction project.
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