Three major industrial players have joined forces to develop the Columbus project


ENGIE is the Belgian market leader in the generation of electricity and the sales of electricity, natural gas and energy services.

As the company has decidedly chosen the path of carbon neutral transition, it offers innovative solutions to its residential, professional and industrial customers, for a more economical and rational use of energy and greater comfort. As the country’s largest producer of green energy, ENGIE produces electricity close to its customers, through a diversified and low carbon production park.

John Cockerill

John Cockerill is a global player in the energy transition.

With more than 200 years of experience, it is developing innovative technological solutions that contribute to the decarbonization of human activities, whether to optimize the efficiency of natural gas power plants, to produce electricity from renewable energy sources or to store green electricity. It adapts each of its technologies (large-capacity hydrogen electrolyzers, heat recovery steam generators, industrial boilers, thermo-solar receivers, battery systems) to the specific needs of its energy and industrial customers. Thanks to its electrolyzers, with the largest capacities in the world (more than 1000 Nm3/h – 5MW), it meets the growing green hydrogen needs of the mobility, industrial and, of course, energy markets. John Cockerill is making its technological contribution to the fight against climate change. In 2021, John Cockerill had sales of  947 million, in 22 countries, on 5 continents.


Carmeuse is a global manufacturer of lime, limestone and mineral-based products founded in 1860. Its products are used in a variety of industrial, construction, soil improvement applications, and benefit the environment by providing cleaner air and safer water.

Carmeuse and its subsidiaries also offer equipment and services to optimize its customers’ processes, improve safety, and provide reliable supply. With headquarters located in Louvain-la-Neuve (Belgium), Carmeuse has approximately 4,500 employees and serves over 12,700 customers annually through a global network of 90 plants and 60 limestone quarries. Turnover in 2021 was €1.376 billion.  Carmeuse has long been concerned by its Greenhouse Gas emissions and aims actively at developing new technologies to reduce, capture and reuse CO2 emissions.