Bihar State Power Transmission Company Limited, a subsidiary company of Bihar State Power (Holding) Company Limited, is a wholly owned corporate entity incorporated under the Companies Act 1956 on 1st Nov, 2012 after restructuring of erstwhile Bihar State Electricity Board.

Presently the company is carrying on intra-state transmission and wheeling of electricity under license issued by the Bihar Electricity Regulatory Commission. The company is also discharging the functions of State Load Dispatch Center (SLDC).

BSPTCL operates a transmission network of 12182 km of 132 kV lines and 5103 km of 220 kV lines as well as 152 no. of EHV sub-stations with 25640 MVA transformation capacity. The company is operating through its 5 transmission zones i.e. Patna, Muzaffarpur, Bhagalpur, Gaya & Koshi, 15 transmission circles and 31 transmission divisions

In order to increase the evacuation capacity, BSPTCL is implementing large number of sub-station and transmission line projects. BSPTCL is also working towards installation of Gas Insulated Sub-Station, Sub-Station Automation System and High Capacity Conductors in transmission lines.

BSPTCL has also undertaken various projects of augmentation, renovation and modernization of existing Grids and Transmission Lines. To ensure stable and uninterrupted power supply to the people of state, company has taken up projects for connecting its GSS to multiple sources of power and making them N-1 compliant. All the GSSs and Transmission Lines are on GIS map. The State Load Dispatch Center has the latest technology of real time data control and communication. Besides continual technical up-gradation, the company lays emphasis on imbibing required skills in its people and therefore it has invested in creating training infrastructure. It has recently established a “Power Training Center” at Gaurichak, Patna, where employees and students are trained on various power system protection and equipment testing techniques.

'BSPTCL: The Life Line of Bihar' is committed to the goal of Quality Power to all.