EDF EDF can stand for : Electric Ducted Fan , an internal , electrically driven `` impeller '' or ducted propeller used to power airborne radio control or drone aircraft . Electropolis Museum , a museum in Alsace , France . European Disability Forum Earliest Deadline First , a dynamic scheduling principle used in real-time operating systems . European Data Format , a standard file format designed for exchange and storage of medical time series . Enterprise Data Fabric , a distributed data management platform . It can also stand for the following companies or institutions : EDF ( Électricité de France ) , main electricity generator and distributor in France , also one of the largest nuclear power companies . EDF Energy , British subsidiary company of the above . Environmental Defense , the former EDF ( Environmental Defense Fund ) European Defence Force Engineers Designers Fabricators ( EDF Inc. ) , a major Pratt & Whitney contractor company European Development Fund This page disambiguates a three-character combination . If an article link referred you to this page , you may wish to change the link to point directly to the intended article . Categories : Lists of three-character combinations In other languages : Deutsch | Français 