Interoperability : Dealing with multiple vendors, legacy communication protocols, electromechanical relays and old equipment.
System / Network Architecture (LAN) : Transition from serial based networks to ethernet LAN networks.
Cyber Security Compliance : With the use of routable protocols (ethernet) substations are subject to NERC-CIP compliance for remote access.
Non Operation Data Acquisition : 5% of the available data in the substation is needed for operation.
User Interface : Friendly and easy to use HMI.