First of all, the STEG aims to reinforcing the penetration of natural gas in the already served zones.

Second, to open the way at the new not yet served zones, in order to slacken the distribution network of natural gas on all social categories and to reduce the state's loads regarding compensation of Liquefied Petroleum Gas (LPG).

Within the framework of the program of encouragement of the use of natural gas aiming to reach a Million subscribers in 2015, the STEG realized more than 65.000 new connections For the residential customers. during the year 2007.