To comment on using direct current rather than alternating current, at least NVIDIA is working on 800VDC: https://developer.nvidia.com/blog/nvidia-800-v-hvdc-a

To comment on using direct current rather than alternating current, at least NVIDIA is working on 800VDC: https://developer.nvidia.com/blog/nvidia-800-v-hvdc-architecture-will-power-the-next-generation-of-ai-factories/ https://developer.nvidia.com/blog/nvidia-800-v-hvdc-architec... https://developer.nvidia.com/blog/building-the-800-vdc-ecosystem-for-efficient-scalable-ai-factories/ https://developer.nvidia.com/blog/building-the-800-vdc-ecosy... More generally, a bunch of the electrical industry heavyweights are involved in a standard for DC microgrids called Current/OS: https://currentos.org/ https://currentos.org/ There are certainly advantages to DC vs AC, but there's of course a huge amount of sunken cost in contemporary AC networks.