System loss reduction plan of Titas gas transmission and distribution Co. Ltd

Abstract

Tlla;, Gas Transmission and Di<;trihution Company Limited (TGTDCL) is a gas marketing company, which purcha,es gas from Bangladesh Gas Field Company Ltd, (BGFCL) and Sylhet Gas Field Company Limited (SGFCL). This gas is translllllted through its own and Gas TransmissIOn Company Ltd's (GTCL) transmission lines 10 various bnlk customers such as Power and Ferlili~er Producing Company and distribution network throngh vanous Clly Gate Station (CGS), To"n Border Station (TBS), District Regulatmg Station (DRS) and Metering Regulating Stalion (RMS) to industrial, commercial and domes\lc users. In marketing the gas, the company ISnow facing a major probIcm, which is known as system loss. System loss is thai portion of gas purchased, which is not accounted for by saIcs. transfer and company u~es or otherwise accounled for, At present the net system loss is approximately 9%, Area wi,e in some places hke Narayangonj, this figure is near about 50%. The present level of ~ystem loss needs some reduction to bring il to an acceptable lilm!. The main objective of thi~ study is to reduce the unaccountable gas, Identification of ~aflOUS(actors related to system loss is carried out. These factor, can be elas~ified into lwo broad elasses as a) technical loss, b) non-technical loss, Techmcal losses arc inevllable and the level of thc same depends on pbysieal and operating condition of the cnstomer metering stations. Non-technical losses arc the man made loss can be many and varies witb (hfferent factors. The mam part of it is pilferage lo~s through various illegal means like meter tampering. regulalor tempering, by pass or un-metered osage etc. This study covers the definition, classifkallon, calculation, background and present slalu, of system loss Some of the special ca\l~es 01'system loss with respect to Bangladesh arc also discussed, The action program and extended action program to reduce system loss undertaken by TGTDCL and the furore plan or recommendation in Ih,S regard are also discussed.