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Siemens Smart Infrastructure has unveiled SIPROTEC V — a virtualized version of SIPROTEC 5: up to 60 virtual IEDs on a single substation-grade server, Linux with a real-time kernel, the familiar DIGSI 5 and IEC 61850 System Configurator. Functions are organised by bays, with GOOSE, MMS, Sampled Values, PTP, PRP/HSR and NERC CIP / BDEW cybersecurity. The architectural signal: protection is going software-defined.
UK Power Networks' Constellation project replaces bay-level protection relays with virtualized software on substation computers, using IEC 61850 process bus for local protection and R-GOOSE over 5G for wide area coordination. The first site is operating in Maidstone, Kent, with five more planned across South East England.
In March 2025, Salt River Project commissioned the first confirmed production deployment of virtualized line differential protection using Routable Sampled Values over MPLS WAN, with ABB SSC600. The WAN-connected virtualized relay proved both faster and more consistent than a conventional microprocessor relay on direct fiber.