In yet another data center and nuclear story, cloud-based gaming services provide Ubitus KK plans to construct a new data center in Japan – focusing on locations near nuclear power plants for stable and cost-effective electricity. In this article we tackle the question of ‘how big can this combination get?’ The answer is as much as 90 GW by 2030, almost the size of the US nuclear fleet, if all new growth in data center power demand is met by agreements with nuclear power plants. That would have to be off the back of existing capacity given nuclear’s decade-spanning construction period. Looking beyond to 2040, a further 100 GW of nuclear power worldwide could be built with the backing of…