SNCF

SNCF

The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

 Class Z 22500 "Eole" is a type of double-decker, dual-voltage electric multiple units

Electric multiple unit

An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

 operated on the French RER E

RER E

The RER E is one of the five lines in the RER rapid transit system serving :Paris, France. The line runs from the western terminus Haussmann St-Lazare to the eastern terminuses Chelles-Gournay and Tournan...

 line, and originally on the Paris Saint-Lazare network. These trains have been built by GEC Alstom

Alstom

Alstom is a large multinational conglomerate which holds interests in the power generation and transport markets. According to the company website, in the years 2010-2011 Alstom had annual sales of over €20.9 billion, and employed more than 85,000 people in 70 countries. Alstom's headquarters are...

 and ANF

Ateliers du Nord de la France

Ateliers de Construction du Nord de la France was a French locomotive manufacturer, based at Crespin in northern France. Later known as ANF Industrie or ANF the company was acquired by Bombardier Transportation in 1989 and is now part of Bombardier Transport France S.A.S.-History:Ateliers de...

. The Z 22500 is also known as the SNCF

SNCF

The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

 version of the MI 2N

MI 2N

MI 2N is a type of electric multiple unit running on the French RER rail network, built by GEC Alstom and ANF for SNCF and RATP....

.

SNCF Class Z 22500 looks very similar to RATP Altéo

Altéo

RATP Class Z 1500 "Altéo" is a type of double-decker, dual-voltage electric multiple units operated on the French RER A line. These trains have been built by GEC Alstom and ANF...

trains, but many differences exist between these models, such as motorization and design of inner spaces.