Implementation of an Advanced Remote Engineering Platform (AREP)

The Estonian Distribution System Operator – Elektrilevi has been working on improving remote engineering of substation devices for over a decade. This article details the stages of these efforts and how they evolved towards the realization of their new Advanced Remote Engineering Platform (AREP). This AREP platform implements a cyber-secure Privileged Access Management (PAM) system for managing the fleet of Intelligent Electronic Devices (IEDs) that automate most of the Estonian distribution grid.


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