Core Business Functions


Undertake transmission of electricity through inter-state transmission system and discharge all functions of Planning and coordination relating to ISTS.

Open Access

Provide non-discriminatory open access to ISTS through grant of connectivity, MTOA & LTA


Commercial functions associated with Billing, Collection and Disbursement of ISTS charges.

Communication & Metering

Planning and Coordination for development of reliable national communication system for ISTS. Own and install the special energy meters.


CTU is the Nodal Agency for administration of Transmission Service Agreement (TSA) for TBCB projects

Project Monitoring

Upcoming Inter-State Transmission System (ISTS) and associated Generation projects are being monitored through regular co-ordination among various stakeholders.


Engineering Department is responsible for formulation of Technical Specifications of Transmission System approved by NCT/MoP in coordination with CEA


For Transmission Schemes to be implemented through TBCB, MoP may appoint CTUIL as one of the survey agency for survey works.

Gati shakti

CTUIL has been designated as the nodal agency by Ministry of Power in Dec’21 for monitoring of ISTS capacity addition under PM Gati Shakti National Master Plan.