PO Box 811
Seven Hills NSW 1730
In emergency the 131 003 number is available 24/7.
General enquiries operate Monday to Friday, 8:00 am to 6:00pm.
Endeavour Energy is a state government owned electricity infrastructure company which owns, maintains and operates the electrical distribution network to supply 2.2 million people in households and businesses across Sydney's Greater West, Blue Mountains, Southern Highlands the Illawarra and the South Coast.