Operation in European electric power interconnection implies also defining of control areas, which represent main cells of operation safety. Montenegrin electric power system represents one control area, whose balance is managed by CGES, and which constitutes the SMM Control Block with control areas of Serbia and Macedonia. Coordination of work of the control block in the interconnection is performed by the Serbian transmission system operator, JP EMS.
EMS- Elektromreza Srbije (Electrical Grid of Serbia)
MEPSO- Makedonski operator prenosne mreze (Macedonian Transmission System Operator)