1893 – 1961 : Generation and distribution were practiced by Private companies
1962 :

Nationalization of Electricity Generation , transmission and  Distribution Companies and Three Authorities were formed to practice the electricity activities:

   
Electricity Production Authority
Electricity Distribution  Authority
Electricity Projects Implementation  Authority
1965 : The general authority of electricity replaced the three Authorities mentioned above and became responsible for electricity production and transmission  distribution and  projects implementation .
1976 : Egypt electricity authority was established in to monopolize ownership and implementation of electricity generation , transmission and projects of the electrical activities.
1978 : Seven regional companies of electricity distribution were established under the supervision of Egypt electricity authority .
1983 : Within the framework of reformation and restructuring  program , an electrical power distribution authority was established to supervise distribution companies which became independent from Egypt electricity authority .
1998 : Power plants affiliated to Egypt electricity authority and transmission activities were merged with the distribution companies . They all are reformed into 7 regional areas . Each regional area practice generation and distribution activities within  it geographic jurisdiction . As a holding company , Egypt electricity authority became responsible for transmission operation and the new 7 regional distribution and generation companies established .
2000 : electricity production companies were separated from distribution companies . As a result , there were four companies for thermal power production , one company for hydro power production , seven companies of electricity distribution and one company for electricity transmission.
These companies are affiliated to the Egyptian electricity   holding  company with 49% of shares for sale.
2002 : Delta company for electricity distribution , one of the seven distribution companies,  was divided into two companies: North Delta co. and South Delta co.
2004 : One of the eight distribution companies, Cairo distribution company,  was divided into two companies:    " North Cairo " and " South Cairo " .
    Delta company for electricity production was divided into three companies : East Dleta, Middle Delta and West Delta