John Cockerill Energy Storage acts as an EPC integrator and an energy storage solution provider according to each customer’s specific needs and best technical-economic features. John Cockerill Energy addresses to a wide range of clients, such as renewable power producers, distribution service opertaors (DSO), transmission service operators (TSO) (grid support) and Commercial and Industry clients (on/off-grid).

Based on its 200 years of worldwide experience in power generation, John Cockerill provides optimized solutions with hybridisation of various technologies if necessary. John Cockerill Energy can propose various kinds of batteries, whether flow, sodium sulfur or Lithium-ion batteries controlled through an enhanced and evolutive Energy Management System (EMS). Moreover, John Cockerill can propose innovative financing solutions to support your ambitious projects all over the world.

John Cockerill Energy offers a range of services including energy efficiency audits to identify and implement the best solutions for your energy use, as well as decreasing of carbon footprint, and efficient energy bill reduction.

John Cockerill Energy Storage has built Europe’s largest industrial pilot plant of batteries hybridisation at its headquarters in Seraing (Belgium). It consists of 2MWp photovoltaics coupled with 2 types of flow batteries and one type of Lithium-ion batteries and a provision of one sodium sulfur battery for a total of 5.4 MWh of energy storage.

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Type of organisation

  • Development & EPC & OM Contractor

Rural electrification expertise

  • Engineering
  • Project Management
  • Supply & Construction

Off-grid system used

  • Grid-connected
  • Micro/Mini-grid
  • Stand-alone

RE-technology used

  • Battery / Energy Storage

Based in



Regis Frankard
President Unit Storage