Vertiv launches PowerNexus MV UPS, an outdoor medium-voltage system for AI data centres

Vertiv Holdings Co. introduced the PowerNexus MV UPS, a power system for AI data centres that runs at medium voltage and is rated for outdoor use, on 11 November 2026 in Columbus, Ohio. Vertiv says the system brings fault ride-through, smoothing of AI power swings and a medium-voltage UPS together on one platform, and that it is aimed at colocation, neocloud and hyperscale operators. Vertiv is talking with customers worldwide and expects shipments to start in mid-2027.

Vertiv says the unit is designed to stand outdoors at the point where the site connects to the utility, which keeps critical power equipment out of the data hall and leaves indoor space for compute. Paired with long-duration batteries, it gives Class 1 output voltage under IEC 62040-3, Vertiv says, and can run on battery power for up to four hours, reducing the need for diesel generators for long backup. Vertiv puts the efficiency of its line-interactive topology at up to 98.5% at peak. It says buying the skid from one vendor cuts coordination across the UPS, the batteries and the rest of the powertrain, and that a PSCAD simulation model is available so customers can study how the system interacts with the wider grid before it is installed.

Vertiv says QTS, SoftBank and Rosendin took part in recent proof-of-concept demonstrations at its Global Power R&D and Customer Experience Center in Bologna, Italy. According to Vertiv, tests under steady and changing conditions showed stable operation across loads from 0 to 100%, Class 1 voltage accuracy while load changed quickly, and ride-through of a 100% voltage sag lasting 150 milliseconds and a 25% overvoltage lasting five seconds. QTS's senior vice president of facilities operations, Ryan Kuithe, said the testing confirmed that the system kept power stable through changing loads and voltage disturbances.

Vertiv also plans a Medium Voltage Laboratory at its Global Large Power R&D and Customer Experience Center in Bologna, which it expects to be operational in 2027. Vertiv says the laboratory will serve service training, customer demonstrations, full-voltage validation, system-level testing and research for medium-voltage designs such as battery energy storage, MV UPS and MV to 800 VDC architectures.