Power Grid Corporation of India Ltd.(R-1)
Haryana Vidyut Prasaran Nigam (R-2)
Haryana Power Purchase Centre (R-3)
M P Power Management Company Limited (R-4)
Delhi Transco Limited (R-5)
BSES Yamuna Power Ltd (R-6)
U. P. Power Transmission Corporation Limited (R-7)
Tata Power Delhi Distribution Limited (Formerly Known as North Delhi Power Ltd.) (R-8)
U. P. Power Corporation Limited (R-9)
BSES Rajdhani Power Ltd. (R-10)
Central Electricity Regulatory Commission (R-11)
M P Power Transmission Company Limited (R-12)