The department of S&D activity of JBVNL is headed by Chief Engineer. It is responsible for the operation and maintenance of the electrical system covering all 33KV, 11KV & 440/220 Volt power distribution system.
The abstract of present Supply & Distribution system of JBVNL at present is as follows :-
Total No. of 33/11KV P/S/S :- 321 Nos.
No. of 33KV feeders & length of feeder :- 374 Nos. and 7429.46 Kms.
No. of 11KV feeders & length of feeders :- 1130 Nos. and 52953.30 Kms.
No. of Distribution Transformer (63KVA & Above) :- 29228 Nos.
No. of Distribution Transformer (25KVA & Below) :- 40611 Nos.
Length of L.T. lines :- 80012.05 Kms.
Working Methodology for Operation & Maintenance of Supply System
Schedules & authorization for maintenance of feeders, P/S/S, D/S/S & lines are issued to all 15 (Fifteen) Electric Supply Circle headed by Electrical Superintending Engineer of company is carried out with the help of MRT division team headed by Electric Executive Engineer, MRT division.
Target & Milestone :-
In current financial year 2015-16 (upto Dec,2015), S&D department has added 144.52 MVA distribution capacity & installed 33KV and 11KV AB switches, VCBs & other safety equipments for safe and uninterrupted power supply.
Minimum human resources for maintenance gang is made available to each Electric Supply Circle. The department has conducted Co-ordination with other department as well as other organization, to finalize 24x7 power for all document and submitted a DPR to achieve the goal of 24x7 power for all. Now state plan, special plan, R-APDRP (part-B), IPDS & RE Projects is undergoing to achieve the target for JBVNL as specified in DPR
Apart than above projects, S&D department has replacing dilapidated conductor on daily basis, replacing/ repairing the defective VCBs and augmentation of distribution capacity in JBVNL. We already draw approx. 1850 MW power with current sub- transmission system and target is 2100 MW upto March, 2016.