Communication & Metering


Communication System has a vital role for safe and efficient operation of the Power System. A fast and efficient communication system is essential for smooth transmission of power across the Indian Power Grid. CTU is a Nodal agency for planning and coordination for development of reliable national communication system for ISTS. 

The ISTS Communication schemes are planned through regular meetings with the stakeholders. 

The Rolling Plan for ISTS Communication System with indicative communication network in next five years are also prepared and published biannually in consultation with all stakeholders.

ISTS Metering: 

  • Arrange to provide IEMs to all utilities connected to the ISTS system.


  • UNMS: Centralized supervision system for quick fault detection and restoration of ISTS communication.
  • CTUIL will be the nodal agency for implementation of UNMS. .