Traction Distribution branch of Bengaluru Division was formed on March 11,1991 when the Division was a part of Southern Railway. The first AC locomotive hauled train was run between Jolarpetai Jn and KSR Bengalur stations on May 16,1992.Thereafter no significant progress in electrification for quite a long .In 2003,Bangaluru Division become a part of the newly formed South Western Railway zone and this give a thrust to the electrification of other sections as in the following chronological list.
- Jolarpettai Jn-KSR Bengaluru : May 1992
- Chennasandra-Yelahanka : January 2009
- Yesvantpur-Baiyappanahalli : July 2009
- Bangarapet- Marikuppam : March 2012
- Yesvantpur- Yelahanka : March 2012
- Yelahanka-Dharmavaram : July 2016
- Bangalore- Mysore : December 2017
At present 525 Route Kilomiters consisting of 929 Track Kilometers is electrified. Electrification of Biayappanahalli- Omalur and Chikkabanawar-Tumkuru sections are also sanctioned and preliminary works are in progress.Proposals submitted to Railway Board for Bangarapet-Kolar-Yelahanka and Chikkabanawar-Hasan sections
Six Traction Substations at Bangarapet, Whitefield,Someshwara,Bidadi Malguru and Sathyashanthi Prasanthi Nilayam feeding power supply to Over Head Equipments.The section between Jolarpettai and Kuppam fed by Tirupattur TSS of Southern Railway feeding.
State owned power distribution companies BESCOM,APSPDCL & TANGEDCO are supplying power supply for traction in respective states.However open access procurement of power is planned for the future and the import of power through open access route already started.As of now now 10 MW of power is being imported from M/s Ratnagiri Gas and Power Limited through state and central transmission utilities to the traction substations at Someshwara and whitefield.
Sr DEE/TRD is the over all incharge for traction maintenance activities and assisted by DEE/TRD and ADEE/TRD. There are eight TRD maintenance depots for maintenance and break down attention of Over Head Equipments and Power Supply Installations. The depots are equiped with Tower wagons and road vehicles.Traction power supply is monitored by the Traction Power Control centre situated at Bangaluru control office through state of the art SCADA systems. This unit is also co coordinating the electrification activities under execution through CORE RVNL and Construction organisations