Central Electricity Regulatory Commission(R-1)
Power Grid Corporation of India Limited (R-2)
Tamil Nadu Generation and Distribution Corporation Limited (R-3)
Transmission Corporation of Andhra Pradesh (R-4)
Kerala State Electricity Board Ltd. (KSEBL) (R-5)
Tamilnadu Electricity Board Limited (TNEB Ltd.) (R-6)
Electricity Department
Government of Goa (R-7)
Electricity Department
Government of Pondicherry (R-8)
Eastern Power Distribution Company of Andhra Pradesh Limited (R-9)
Southern Power Distribution Company of Andhra Pradesh Ltd. (R-10)
Southern Power Distribution Company of Telangana Limited (R-11)
Northern Power Distribution Company of Telangana (R-12)
Transmission Corporation of Telangana Limited (R-13)
Karnataka Power Transmission Corporation Ltd. (R-14)
Tamil Nadu Transmission Corporation Limited (TANTRANSCO) (R-15)
Madhya Pradesh Power Management Company Limited (R-16)
Maharashtra State Electricity Distribution Company Ltd. (R-17)
Gujarat Urja Vikas Nigam Limited (R-18)
Electricity Department
Administration of Daman and Diu (R-19)
DNH Power Distribution Corporation Limited (R-20)
Chattisgarh State Power Distribution Company Limited (R-21)
Madhya Pradesh Audyogik Kendra Vikas Nigam (Indore) Ltd. (R-22)
Ajmer Vidyut Vitran Nigam Limited (R-23)
Jaipur Vidyut Vitran Nigam Limited (R-24)
Jodhpur Vidyut Vitran Nigam Limited (R-25)
Himachal Pradesh State Electricity Board Limited (R-26)
Uttar Pradesh Power Corporation Limited (R-27)
Haryana Power Purchase Centre (R-28)
Jammu Kashmir Power Corporation Limited (R-29)
Punjab State Power Corporation Limited
(R-30)
BSES Yamuna Power Ltd (R-31)
BSES Rajdhani Power Ltd. (R-32)
Tata Power Delhi Distribution Ltd. (R-33)
Uttarakhand Power Corporation Ltd (R-34)
North Central Railway (R-35)
New Delhi Municipal Council (R-36)
Chandigarh Electricity Department (R-37)
Bihar State Power (Holding) Company Ltd (R-38)
West Bangal Electricity Distribution Company Ltd. (R-39)
Grid Corporation of Odisha Limited (R-40)
Damodar Valley Corporation (R-41)
Power Department (R-42)
Jharkhand Bilji Vitran NIgam Limited (R-43)
Assam Electricity Grid Corporation Limited (R-44)
Meghalaya Energy Corporation Ltd. (R-45)
Government of Arunachal Pradesh (R-46)
Power Electricity Department (R-47)
Manipur Power Distribution Corporation Ltd. (R-48)
Department of Power (R-49)
Tripura State Electricity Corporation Limited (R-50)
Sembcorp Energy India Limited (R-51)
GMR Kamalanga Energy Limited (R-52)
MB Power Limited (R-53)
DB Power Limited (R-54)
Sembcorp Energy India Limited (Erstwhile Thermal Powertech Corporation India Limited) (R-55)
Sembcorp Gayatri Power Ltd. (SGPL) (R-56)
ACB India Limited (R-57)
GMR Warora Energy Limited (R-58)
Jindal Power Limited (R-59)
Spectrum Cola and Power Ltd. (R-60)
Torrent Power Limited (R-61)
TRN Energy Private Ltd. (R-62)
DANS Energy Pvt. Limited (R-63)
Shiga Energy Private Limited (THEP) (R-64)
KSK Mahanadi Power Company Limited (R-65)
Arcelor Mittal Nippon Steel India (Essar Steel) (R-66)
Gati Infrastructure Limited (R-67)
GMR Bajoli Holi Hydropower Pvt. Ltd. (R-68)
APL Mundra (R-69)
Power Ststem Operation Corporation (POSOCO) (R-70)
Central Electricity Authority (R-71)
Central Transmission Utility of India Ltd
(CTUIL) (R-72)