Central Electricity Regulatory Commission(R-1)
BSES Rajdhani Power Limited (R-2)
BSES Yamuna Power Limited (R-3)
Tata Power Delhi Distribution Company Limited (R-4)
Haryana Power Generation Corporation Limited (R-5)
Kerala State Electricity Board Limited (R-6)
Bangalore Electricity Supply Company (R-7)
Hubli Electricity Supply Company Limited (R-8)
Gulbarga Electricity Supply Company Limited (R-9)
Mangalore Electricity Supply Company Limited (R-10)
Chamundeshwari Electricity Supply Company Limited (R-11)
Tata Steel Limited (R-12)
Damodar Valley Power Consumers Association (R-13)