Cooling Copper Plates Could Slash Data Center Energy Use by 90%
May 20, 2026
Cooling Copper Plates Could Slash Data Center Energy Use by 90%
A novel cooling technology using copper plates could dramatically reduce energy consumption in data centers, with researchers claiming potential savings of up to 90% compared to traditional air-based systems. As the industry grapples with soaring power demands driven by AI workloads and cloud computing, this breakthrough arrives at a critical juncture. Data centers currently account for roughly 1-2% of global electricity use, a figure expected to rise sharply in the coming years.
The technology, developed by a team at the University of Colorado Boulder in collaboration with industry partners, replaces conventional air conditioning with direct-contact liquid cooling via custom-engineered copper plates. These plates are mounted directly onto heat-generating components such as CPUs and GPUs, absorbing heat through conduction and transferring it to a circulating coolant. The system eliminates the need for energy-intensive fans and compressors, which typically consume a significant portion of a facility’s power budget.
In controlled tests, the prototype achieved a power usage effectiveness (PUE) ratio of just 1.02, far below the industry average of around 1.5 to 1.7 for traditional air-cooled facilities. Researchers noted that the copper plate design not only improves thermal efficiency but also reduces the physical footprint of cooling infrastructure, potentially allowing for higher server density within existing racks. “This approach fundamentally rethinks how we remove heat from electronics,” said Dr. Sarah Lin, lead author of the study. “By bringing the cooling medium directly to the source, we avoid the inefficiencies of moving large volumes of air through a room.”
Beyond energy savings, the technology could also lower water consumption, as many data centers rely on evaporative cooling systems that consume millions of gallons annually. The closed-loop liquid system used in the copper plate design requires minimal water, making it particularly attractive for facilities in arid regions or those subject to water usage regulations. Industry analysts suggest that if adopted broadly, this innovation could help data center operators meet ambitious sustainability targets while also reducing operational costs.
However, widespread deployment faces challenges, including the need for retrofitting existing facilities and ensuring compatibility with diverse hardware configurations. The team is now working with commercial partners to scale production and conduct pilot installations in live data center environments. “The potential is enormous,” Dr. Lin added, “but we need to prove the system works reliably at scale before it can become a standard solution.”
Source: datacenterknowledge
