Welcome on the IFPEN Extranet !

This platform allows you to stay connected with internal IFPEN personnel. By gathering your project(s) and community(ies) in an easily accessible space, you can share your work, collaborate with your colleagues, engage in threaded discussions, schedule meetings, and much more.


If you have any questions, please refer to the support section.


ℹ The right to access the Prisme Extranet and its data is strictly reserved to designated members acting in the course of their duties and in accordance with their authorisation level. The information provided by the Prisme Extranet is confidential. The beneficiaries of the information are subject to the provisions of the Prisme Extranet Charter.

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✒ Legal information


IFP Energies Nouvelles

A public industrial and commercial establishment

Registered with the Nanterre Trade and Companies Register under number 775 729 155

Business sector (APE) code: 7219Z

Registered office: 1 & 4 Avenue de Bois-Préau, 92852 Rueil Malmaison Cedex

Prisme Extranet Charter

Telephone: 01 47 52 60 00

Publisher: Pierre-Franck CHEVET

Editor-in-chief: Valerie HERSCHLIKOVITZ 

Website hosted by: IFP Energies Nouvelles

The right to correct information may be exercised by contacting webmaster_intranet@ifpen.fr