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Activity :

Marine Engines

Eneria, a subsidiary of the Monnoyeur Group, is a specialist in power generation and engine systems. As Caterpillar‘s exclusive dealer in France and in several foreign locations, Eneria is recognized for its expertise and know-how in servicing, installing and maintaining Caterpillar generator sets, uninterruptible power supplies (UPS) and engines.

Eneria designs engine systems for marine, industrial and oil & gas applications. We have developed leading expertise in every area, particularly in maximizing energy efficiency and eco-friendliness. We offer a vast array of services to our customers: facility audits, studies, maintenance, etc.

Structured around business sectors, Eneria has successfully developed technical and application expertise combined with a range of services tailored to every market.

With extensive experience in marine technology and a full range of Caterpillar Marine engines, Cat generator sets and auxiliary, Eneria offers a complete solution for your projects in many marine applications.

From 10kw to 5700 kW, Eneria offers a wide range of Caterpillar marine engines for all your applications.

Eneria works with a large number of shipyards and is involved from the choice of propulsion to integration, commissioning and marine engine maintenance.

Eneria also develops its own solutions to meet the new international marine standards (IMO, TIER) or by offering a hybrid propulsion.

Cat® marine engines are suitable for all of these applications:

  • Fishing :

The fishing industry is a demanding market where fishermen have strong constraints, vulnerable operations and high constraints on engines. Whether for propulsion or for your operation needs, Eneria, provides an integrated solution ranging from 10kW to 5500kW with Cat Marine Engines.

  • Offshore:

Marine Offshore vessels operate under tough conditions and need to maximize uptime.

Thanks to Caterpillar Marine engines durability, reliability and our maintenance teams, we provide a complete solution to optimize uptime and cost savings.

  • Passengers

Passenger Vessels require timeless continuity and reliability to ensure your journey and your business. Because we understand the consequences of failure to your business, we strive to offer you the reliability you need.

  • Tugs & Salvage

Eneria provides the marine engine you need with our large range of engines. Our engines are designed for your variable needs in terms of power, acceleration, traction and maneuverability. With our solutions with low consumption and with longer maintenance intervals, you will save cost and optimize uptime.

  • Governmental

Thanks to a long-term experience with shipyards, Eneria offers solutions to government vessels ( Customs, Military, Coast Guard). To meet technical and regulatory constraints of this market, Eneria develops and delivers propulsion and power solutions. Our engine range extends from 10kw to 5500kW.

  • Pleasure Craft

Eneria assists you for your propulsion and powering needs for your vessel in France and abroad. Whether you are sailing in the Mediterranean, in the Atlantic or on the other side of the world, our teams are there to meet your needs for your maintenance and your repowering needs. Enjoy your sailing experience with a full range of service.

  • Inland Waterway

For your river cruise vessel or cargo transport, Eneria provides a wide range of engines and services for maintenance. Caterpillar offers the industry’s widest range of engines and generator sets, capable of meeting the power needs of inland vessels without sacrificing fuel efficiency.

Eneria and its AMD Network : a solution for all requirement

Eneria is based in France and internationally thanks to its teams, service engineers, marine technicians and its authorized marine Dealer network to meet all your needs.

For your power need, propulsion, generator sets or your Cat marine engine maintenance, benefit from our global network to meet your need.

Wherever you are and whenever you need it !

Eneria is set in La Ciotat Shipyard and has a workshop to provide maintenance for your Cat Marine engines.

Thanks to its location, Eneria quickly operates in all of the Mediterranean with his high qualified technicians, trained by Caterpillar, to meet your preventive and curative maintenance.


  • Contact : Stephane ALLAIRE
  • E-Mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Phone : 01 69 80 21 00


  • Adress : Rue de Longpont, 91310 Montlhery
  • Country: France