Tamil Nadu Electricity Regulatory Commission (TNERC)(R-1)
Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO) (R-2)
The Chief Financial Controller/Revenue
TANGEDCO (R-3)
The Superintending Engineer
Tuticorin Electricity Distribution Circle
TANGEDCO (R-4)
State Load Despatch Centre (SLDC) Tamil Nadu Transmission Corporation Limited (TANTRANSCO) (R-5)