Central Electricity Regulatory Commission(R-1)
Power Grid Corporation of India (R-2)
Central Transmission Utility of India Limited (R-3)
Rajasthan Rajya Vidyut Prasaran Nigam Limited (R-4)
Ajmer Vidyut Vitran Nigam Limited (R-5)
Jaipur Vidyut Vitran Nigam Limited (R-6)
Jodhpur Vidyut Vitran Nigam Limited (R-7)
Himachal Pradesh State Electricity Board (R-8)
Punjab State Electricity Board (R-9)
Haryana Power Purchase Centre (R-10)
Power Development Department
Government of Jammu and Kashmir (R-11)
Uttar Pradesh Power Corporation Limited (Formerly Uttar Pradesh State Electricity Board) (R-12)
Delhi Transco Limited (R-13)
BSES Yamuna Power Ltd (R-14)
BSES Rajdhani Power Ltd. (R-15)
Tata Power Delhi Distribution Ltd. (R-16)
ELectricity Department
Chandigarh Administration (R-17)
Uttarakhand Power Corporation Ltd (R-18)
Electricity Department
North Central Railway
(R-19)
New Delhi Municipal Council (R-20)
Saurya Urja Private Limited (R-21)
Essel Saurya Urja Company of Rajasthan Limited (R-22)
Fatehgarh Bhadla Transmission Company Limited (R-23)