Central Electricity Regulatory Commission(R-1)
Uttar Pradesh Power Corporation Limited (R-2)
AD Hydro Power Limited (R-3)
Haryana Power Purchase Centre (R-4)
Punjab State Power Corporation Limited (R-5)
Himachal Sorang Power Private Limited (R-6)
Adani Power Limited
Mundra (R-7)
Rajasthan Discoms Power Procurement Centre (R-8)
Jaipur Vidyut Vitran Nigam Limited (R-9)
Ajmer Vidyut Vitran Nigam Limited (R-10)
Jodhpur Vidyut Vitran Nigam Limited (R-11)
Lanco Anpara Power Limited (R-12)
Lanco Green Power Private Limited (R-13)
Power Development Deptt. Govt of Jammu and Kashmir (R-14)
North Central Railway (R-15)
Jaiprakash Power Ventures Limited (R-16)
BSES Yamuna Power Ltd (R-17)
BSES Rajdhani Power Ltd. (R-18)
Tata Power Delhi Distribution Ltd. (earlier North Delhi Power Ltd.) (R-19)
New Delhi Municipal Council (R-20)
Electricity Wing of Engineering Department
Union Territory of Chandigarh (R-21)
Power Grid Corporation of India Limited (R-22)
PTC (Budhil) (R-23)
PTC (Everest) (R-24)
Uttarakhand Power Corporation Ltd. (R-25)
Himachal Pradesh State Electricity Board (R-26)
REC Transmission Projects Company Limited (R-27)
Central Transmission Utility of India Limited (Formerly a part of Power Grid Corporation of India Limited) (R-28)