The transmission and subtransmission projects were executed more seriously like the previous years and on the basis of the executed plan and for the purpose of supplying required load and increasing the power network stability . Some of these projects finished and were put into operation in 1380 (2001) and the rest of it was left till the next year. In the meantime , the special requirements of the network operation in Khuzestan is such that there are significant amendments annually in the network in the form of projects and rehabilitation of sub-station and lines for upgrading and in order to improve operation condition .

In this manner the summary of statistical state of establishment of transmission and subtransmission substation  and lines of Khuzestan during the year 1380(2001) is completed as following : 270MVA was added to the capacity of 230KV substations and 143MVA was added to the capacity of 132KV substations . Therefore by calculation of the added capacity(413MVA) , the total number of substations reached to 120 and the sum of their capacity was 12805MVA.This value had a growth rate of 3.5% in comparison with the total capacity of the previous year (12391MVA) . Moreover the total length of 400,230 and 132 KV lines , reached to 728,2030 and 2435 km/circuit respectively that had a growth rate of 6.4% , 5.2% and 6.2% in comparison with the previous year .