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