Battery systems

ENGIE aims to achieve carbon neutrality in Belgium by 2045. To make this possible, energy storage will play a key role alongside renewable electricity.

Renewable electricity production is intermittent. This means that when there is a lot of sunshine or wind, renewable sources can sometimes generate too much electricity, while at other times, when there is insufficient sun or wind, they may produce too little to meet demand. This can lead to congestion on the electricity grid or to generation shortages during periods of peak consumption. Indeed, the grid must constantly and instantly balance electricity production and consumption. This task becomes increasingly challenging as the share of renewable generation capacity grows.

Battery Energy Storage Systems (BESS) can support the electricity grid and help meet the growing need for flexibility. They do so by absorbing peaks in (renewable) electricity production, storing the energy, and releasing it when (renewable) generation is lower.

To help provide this flexibility to the energy system, ENGIE aims to develop battery projects in Belgium. To this end, ENGIE has submitted permit applications for several battery parks, some of which are already under construction or operational today.

Which sites are concerned by these projects?

Vilvoorde site - 200 MW (built and operational)
Drogenbos site - 80 MW (under construction)
Kallo site - 100 MW (under construction)
Coo site - 74 MW (under construction) 
 

 

Discover the Vilvoorde battery park

 

Articles and press releases

Press

ENGIE has started construction of a new large-scale battery park in Coo, Belgium

Following Vilvoorde, Kallo and Drogenbos, ENGIE is continuing the rollout of its large-scale BESS projects in Belgium. The future battery park at Coo will have an output of 74 MW and a storage capacity of 296 MWh, to store electricity when renewable generation is abundant and feed it back into the grid when demand is higher, delivering power at full capacity for up to four hours.
04/09/2026
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Article

Interview | Shakhida: "Every day, I'm helping build the energy of tomorrow."

When Shakhida Ilyasova discovered as a young girl in Uzbekistan that mathematics and physics were her favourite subjects, her interest in technology quickly grew. Today, she works as an E-mobility & Project Engineer at Laborelec, ENGIE’s expertise centre in Belgium. There, she contributes to innovative projects focused on electric mobility.
29/06/2026
Press

Sabic inaugurates world's largest circular solar installation of its kind in Genk

In the presence of the mayor of Genk Wim Dries, SABIC today officially inaugurated the world's largest solar installation using fully recyclable materials at his site in Genk. The innovative solar panels from Dutch manufacturer Solarge are 100% recyclable and significantly lighter than traditional solar panels. ENGIE was responsible of the installation and financing.
17/10/2024
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Article

ENGIE is part of a strategic consortium to pursue the offshore wind Princess Elisabeth concessions in Belgium

Three prominent energy companies, Eneco, Otary and Ocean Winds (the joint venture between EDP Renewables and ENGIE dedicated to offshore wind energy), announced the formation of a strategic partnership to jointly compete in the tender for the offshore wind Princess Elisabeth concessions in Belgium.
12/07/2024