Central Electricity Regulatory Commission(R-1)
Power Grid Corporation of India Limited (R-2)
Central Transmission Utility of India Limited (R-3)
Karnataka Power Transmission Corporation Limited (R-4)
Transmission Corporation of Andhra Pradesh Limited (R-5)
Kerala State Electricity Board (KSEB) (R-6)
Tamil Nadu Generation and Generation Corporation Limited (R-7)
Electricity Department
Pondicherry (R-8)
Eastern Power Distribution Company of Andhra Pradesh Ltd. (APEPDCL) (R-9)
Southern Power Distribution Company of Andhra Pradesh Ltd. (APSPDCL) (R-10)
Southern Power Distribution Company of Telangana Ltd. (TSSPDCL) (R-11)
Northern Power Distribution Company of Telangana Ltd. (TSNPDCL) (R-12)
Bangalore Electricity Supply Co. Ltd. (BESCOM) (R-13)
Gulbarga Electricity Supply Co. Ltd.(GESCOM) (R-14)
Hubli Electricity Supply Co. Ltd. (HESCOM) (R-15)
Mangalore Electricity Supply Co. Ltd.(MESCOM) (R-16)
Chamundeswari Electricity Supply Corporation Ltd. (CESC) (R-17)
Electricity Department
Government of Goa (R-18)
Transmission Corporation of Telangana Ltd. (R-19)