The Tamil Nadu Electricity Regulatory Commission (TNERC) has determined the distribution and transmission tariff for FY 2017-18. The last time they had determined tariff was in 2014 which means that the tariff has changed after 3 years. The energy charges for different categories is as follows:

 

 

The tariff for industrial and domestic categories hasn’t changed at all. Same is the case with domestic tariff.

 

Wheeling Charges: 21.06 Paisa/Unit

Wheeling loss: 2.45%

Cross subsidy surcharge: 1.67 Rs/kWh

The transmission tariff was also determined by the TNERC. It is as follows:

 

Transmission charges: 3037.30 Rs/MW/day

Transmission loss: 3.81%

 

The distribution and generation tariff can be accessed here. The transmission tariff can be accessed here.