Tamil Nadu Transmission Corporation


The Tamil Nadu Transmission Corporation Limited is an electric power transmission system operator owned by Government of Tamil Nadu. It was established in November 2010, as a result of restructuring the Tamil Nadu Electricity Board. It is a subsidiary of TNEB Limited.
WWW tantransco.gov.in

Substations

The TANTRANSCO maintains all the substations in Tamil Nadu apart from the Power Grid Corporation of India Limited. These substations fall under one of the following categories:
  • 400/230 kV substations.
  • 230/110 kV substations.
  • 110 kV substations.
  • 33 kV substations.
less than this kV transmissions as 22 kV and 11 kV are used for distribution.
66/11 kV substations were in use earlier. This is no longer the case anymore.