Energy Observer Developments

Hydrogen fuel-cell generators and battery energy storage systems for industrial, maritime, construction and event users

Issy Les Moulineaux, FranceFounded 2019eo-dev.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-29

About Energy Observer Developments

EODev develops and manufactures low-emission power generation and energy storage solutions, including the GEH₂ fuel-cell generator, REXH₂ marine generator and BESSTIE battery storage system. Its products serve stationary and mobile applications.

Customers include manufacturers, local authorities and public institutions, with applications across maritime, construction, transport, events, telecom and data centres. The company also provides technical support, training and on-site maintenance.

Founded in 2019, EODev is headquartered in Issy-les-Moulineaux, France. Its group acquired French battery-systems company EVE System in 2025; EVE System is based in the Lyon region.

Product: Hydrogen fuel-cell generators, marine power systems and battery energy storage solutions, with technical support and maintenance.

Public tenders won

1 tender won since 1 Jan 2024 from 1 public buyer in France, worth €230k as awarded. From EU award notices (TED) that name Energy Observer Developments by its registry number.

  • 30 Jun 2026 Communauté d'agglomération de l'Albigeois · Acquisition d'un groupe électrogène à hydrogène didactique et d'un banc de charge résistif avec prestations de service associées · €230k notice

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