This case study details how Stadtwerke Kempen modernized its medium-voltage substation using IEC 61850 digital communications and OMICRON’s StationGuard OT cybersecurity platform. The project addressed challenges across engineering design, commissioning, and operations by replacing hardwired systems with Ethernet-based networks and deploying purpose-built intrusion detection. StationGuard provided full OT asset visibility, protocol monitoring, vulnerability detection, and cybersecurity risk assessment, enabling compliance with NIST, IEC 62443, and German IT Security Act requirements. The solution improved operational efficiency, cybersecurity maturity, incident response readiness, and long-term grid resilience, while supporting future digital expansion and continuous OT security monitoring.

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