A new reference design to support fast deployment of AI infrastructure with battery energy storage system (BESS) support has been developed by Siemens, Nvidia and Fluence.
Siemens announced the new DSX Vera Rubin AI factory reference design has been created to support the deployment of high energy density data centers.
Power densities in data centers are expected to increase significantly as the technology industry pursues greater compute capacity within individual racks. This growing power demand places new strains on data center electrical infrastructure, including increased cooling requirements, upgrades to power distribution systems, and the need for substantial backup power capacity.
The collaboration between Siemens, Nvidia and Fluence is sized for a total facility capacity of 136 MW and IT load of 100 MW. The reference design for Nvidia DSX Vera Rubin NVL72 covers the entire electrical pathway from a nominal 34.5 kV utility connection, through medium-voltage distribution, modular low-voltage power blocks and ultimately the computer rack interface.
Fluence’s battery energy storage has been included in the blueprint with BESS expected to provide flexibility and resilience for AI data centers. Jeff Monday, chief growth officer at Fluence, described the company’s Smartstack energy storage platform as “central” to the data center architecture, “transforming the grid into an accelerator for compute.”
“By providing essential capabilities like voltage and frequency ride through, black start, grid demand response, and AI load smoothing, we are enabling our customers to build the AI factories of the future, faster and more reliably,” he said.
The design also incorporates liquid-cooling from nVent, a London-headquartered business supplying electrical connection and protection solution, reported to have deployed more than 2 GW of liquid cooling capacity globally. Company president Sara Zawoyski platforms such as Nvidia DSX Vera Rubin NVL72 are “pushing rack densities well beyond traditional air-cooled infrastructure.”
Siemens contribution to the design includes pre-engineered, prefabricated medium- and low-voltage skids as well as automation and digital twin strategies to support faster commissioning.
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