Central Electricity Regulatory Commission(R-1)
Uttar Pradesh Power Corporation Limited (R-2)
Paschimanchal Vidyut Vitran Nigam Limited (R-3)
Purvanchal Vidyut Vitran Nigam Limited (R-4)
Madhyanchal Vidyut Vitran Nigam Limited (R-5)
Dakashinanchal Vidyut Vitran Nigam Limited (R-6)
Grid Controller of India Limited (Earthwhile Power System Operation Coporation Limited) (R-7)