Central Electricity Regulatory Commission(R-1)
Powergrid Corporation of India Limited (R-2)
Transmission Corporation of Andhra Pradesh Ltd. (APTRANSCO) (R-3)
Kerala State Electricity Board Ltd. (KSEB) (R-4)
Tamil Nadu Electricity Board (R-5)
Electricity Department
Government of Goa (R-6)
Electricity Department
Government of Pondicherry (R-7)
Eastern Power Distribution Company of Andhra Pradesh Limited (APEPDCL) (R-8)
Southern Power Distribution Co of AP Ltd. (R-9)
Southern Power Distribution Company of Telangana Limited (R-10)
Northern Power Distribution Company of Telangana (R-11)
Bangalore Electricity Supply Company Ltd (BESCOM) (R-12)
Gulbarga Electricity Supply Co. Ltd. (GESCOM) (R-13)
Hubli Electricity Supply Co. Ltd. (R-14)
MESCOM Corporate Office (R-15)
Chamundeshwari Electricity Supply Co. Ltd (R-16)
Transmission Coroporation of Telengana Limited (R-17)
Karnataka Power Transmission Corporation Ltd. (R-18)
Tamil Nadu Transmission Corporation (R-19)
Madhya Pradesh Power Management Company Limited (R-20)
Maharashtra State Electricity Distribution Company Ltd. (R-21)
Gujarat Urja Vikas Nigam Limited (R-22)
Union Territory of Dadra and Nagar Haveli and Daman and Diu (R-23)
Chhattisgarh State Electricity Board (R-24)
Madhya Pradesh Audyogik Kendra
Vikas Nigam (Indore) Ltd. (R-25)
Central Transmission Utility of India Ltd. (R-26)