Powergrid Corporation of India ltd.(R-1)
Tamil Nadu Generation and Distribution Corporation Limited (R-2)
Transmission Corporation of Andhra Pradesh Limited (R-3)
Tamil Nadu Electricity Board (R-4)
Electricity Department
Government of Goa
(R-5)
Electricity Department
Government of Pondicherry
(R-6)
Eastern Power Distribution Company of Andhra Pradesh Limited (R-7)
Southern Power Distribution Company of Andhra Pradesh Ltd. (R-8)
Southern Power Distribution Company of Telangana Limited (R-9)
Northern Power Distribution Company of Telangana (R-10)
Bangalore Electricity Supply Company Ltd (R-11)
Gulbarga Electricity Supply Company Limited (R-12)
Hubli Electricity Supply Company Ltd. (R-13)
Mescom Corporate Office (R-14)
Chamundeshwari Electricity Supply Corporation Ltd (R-15)
Transmission Corporation of Telangana Limited (R-16)
Karnataka Power Transmission Corporation Limited (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)
Electricity Department (R-22)
DNH Power Distribution Corporation Limited (R-23)
Chhattisgarh State Power Distribution Company Limited (R-24)
Madhya Pradesh Audyogik Kendra Vikas Nigam (Indore) Limited (R-25)
Ajmer Vidyut Vitran Nigam Limited (R-26)
Jaipur Vidyut Vitran Nigam Limted (R-27)
Jodhpur Vidyut Vitran Nigam Limited (R-28)
Himachal Pradesh State Electricity Board Limited (R-29)
Uttar Pradesh Power Corporation Limited (R-30)
Haryana Power Purchase Centre (R-31)
Jammu Kashmir Power Corporation Limited (R-32)
Punjab State Power Corporation Limited
(R-33)
BSES Yamuna Power Ltd (R-34)
BSES Rajdhani Power Ltd. (R-35)
Tata Power Delhi Distribution Ltd. (R-36)
Uttarakhand Power Corporation Ltd (R-37)
North Central Railway (R-38)
New Delhi Municipal Corporation (R-39)
Electricity Department (Chandigarh) (R-40)
Bihar State Power (Holding) Company Ltd (R-41)
West Bengal State Electricity Distribution Co. Ltd (R-42)
Grid Corporation of Odisha Limited (R-43)
Damodar Valley Corporation (R-44)
Power Department (R-45)
Jharkhand Bilji Vitran NIgam Limited (R-46)
Assam Electricity Grid Corporation Limited (R-47)
Meghalaya Energy Corporation Ltd. (R-48)
Government of Arunachal Pradesh (R-49)
Power Electricity Department (R-50)
Manipur Power Distribution Company Ltd. (R-51)
Department of Power
Govt. of Nagaland (R-52)
Tripura State Electricity Corporation Limited (R-53)
Sembpcorp Energy India Limited (R-54)
GMR Kamalanga Energy Limited (R-55)
MB Power Limited (R-56)
DB Power Limited (R-57)
Sembcorp Energy Limited (Erstwhile Thermal Powertech Corporation India Limited) (R-58)
Sembcorp Gayatri Power Limited (SGPL) (R-59)
ACB India Limited (R-60)
GMR Warora Energy Limited (R-61)
Jindal Power Limited (R-62)
Spectrum Coal and Power Llimited (R-63)
Torrent Power Limited (R-64)
TRN Energy Private Limited (R-65)
Dans Energy Private Limited (R-66)
Shiga Energy Private Limited (R-67)
KSK Mahanadi Power Company Limited (R-68)