Central Electricity Regulatory Commission(R-1)
West Bangal State Electricity Distribution Company Ltd. (R-2)
Bihar State Electricity Board (R-3)
Jharkhand State Electricity Board (R-4)
Grid Corporation of Orissa Ltd. (R-5)
Damodar Valley Corporation (R-6)
Power Department (R-7)
Tamil Nadu Electricity Board (R-8)
Electricity Department (R-9)
Uttar Pradesh Power Corporation Ltd. (R-10)
Power Development Department (R-11)
Power Department (R-12)
Madhya Pradesh Power Trading Co. Ltd (R-13)
Gujarat Urja Vikas Nigam Ltd. (R-14)
Electricity Department (R-15)
Electricity Department (R-16)
BSES Rajdhani Power Limited (R-17)
BSES Yamuna Power Limited (R-18)
North Delhi Power Limited (R-19)
Maharashtra State Electricity Distribution Co. Ltd. (R-20)