Bihar Rajya Vidyut Company Limited · Uttar Bihar Vidyut Apurti Company Limite D · Dakshin Bihar Vidyut Apurti Company Limi Ted · Bihar Rajya Vidyut Utpadan Company Limit Ed · Bihar Rajya Vidyut Sancharan Company Lim Ited · Bihar State Power Generation Company Limited · Nabinagar Power Generating Company Limited · Kanti Bijlee Utpadan Nigam Limited · North Bihar Power Distribution Company Limited · Bihar Grid Company Limited · South Bihar Power Distribution Company Limited · Bihar State Power Transmission Company Limited · Bihar State Power (Holding) Company Limited