US AI Data Centers Shift to Direct Current for Higher Efficiency

US-based AI data centers are beginning to transition from traditional Alternating Current (AC) to Direct Current (DC) power systems. While current facilities rely on multiple conversion steps that lead to energy loss, this new approach aims to streamline power delivery.

Why the Switch to DC Power?

Standard residential-style AC power requires several stages of conversion before it can be used by AI chips. By converting grid power directly to high-voltage DC at the data center entrance, operators can:

• Eliminate intermediate conversion steps
• Reduce energy waste and heat generation
• Improve overall operational efficiency

Current Status

According to IEEE Spectrum, this technology is currently in the early stages of commercial adoption. As AI workloads increase power demands, adopting DC infrastructure is becoming a critical strategy for sustainable scaling.