800 VDC architecture for AI infrastructure

What does the shift to 800 VDC mean for AI data center efficiency, resilience, energy storage and power distribution?

AI workloads are placing unprecedented demands on data center power infrastructure, with rack-level power rapidly moving from tens of kilowatts toward 600kW, 1MW and beyond. As power density increases and loads become increasingly dynamic, traditional AC architectures face new challenges around efficiency, resilience, fault management and energy storage.

This SPOC Energy whitepaper examines the practical considerations behind an 800 VDC architecture for AI infrastructure, exploring how DC distribution, energy storage and power conversion can work together to support higher-density workloads.

Assess the efficiency and cost implications of 800 VDC distribution architectures

Compare two-wire and three-wire approaches for high-power DC distribution

Use DC-connected energy storage to manage AI load steps and fluctuations

Understand where capacitor-based and distribution-level ESS can provide the greatest value

Navigate protection, fault ride-through and arc flash considerations in DC systems

Evaluate the role and commercial readiness of solid-state transformers versus hybrid architectures

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