Due to the Israeli occupation Palestine has not yet a unified power system; the existing networks are local low voltage distribution networks.
The main supply for electrical distribution networks in the West Bank and Gaza is the Israeli Electrical Company (IEC).
The voltages of the existing distribution networks are 0.4, 6.6, 11, 22 , and 33 KV . IEC supplies electricity to the electrified communities by 22 or 33 KV by overhead lines . Electricity is purchased from IEC and then distributed to the consumers.
The results of the survey indicated that 99.6%of households in the Palestinian Territory were connected to the public electricity network in April 2008 , where this percentage was 99.3% during April 2006, and was 97.2% during July 2005, while it was 97.2% during the same month1999 . 0.3% have no electricity services, 0.1% of the households have their own generators.
From the results of the survey, it is noted that south of the West Bank has the lowest percentage of households connected to electricity network (99.0%). The situation is different in Gaza Strip which has 99.6% of the households connected to electricity network during April 2006.