Cluster TWEED

Perpetum Energy

PerPetum designs, finances and operates integrated on-site energy systems – combining solar, storage, wind energy and electrification – to reduce your total energy cost in a sustainable manner. Zero CAPEX. Zero complexity.

Esplanade 1, 1020 Bruxelles, Belgique

Last updated: 07/05/2026

Phreatis

Phreatis is an engineering office specialized in hydrogeology and shallow/deep geothermal energy.

Rue Laurent Delvaux 31, 1400 Nivelles, Belgique

Last updated: 16/06/2026

Pierre Berger

For more than 50 years, the Pierre BERGER Bureau d’Etudes has been supporting its clients in the implementation of their projects. This shared experience within a multidisciplinary team of more than 15 employees supervised by specialists allows to offer services and skills of the highest level.

Voie de l'Air Pur 6, 4052 Chaudfontaine, Belgique

Last updated: 04/06/2025

Pirotech

Pirotech is a consulting engineering consulting firm specializing in energy efficiency and carbon emission reduction.

Av. Général Aymes 18, 5030 Gembloux, Belgique

Last updated: 20/01/2026

PowerPulse

PowerPulse is a neutrally positioned energy consulting firm with expertise in the different aspects of the energy market (generation, grids and B2B end users). Since 2014 PowerPulse supports and facilitates energy intensive companies (SMEs and large industrials) to structurally reduce energy costs and implement a sustainable climate strategy.

Kardinaal Mercierplein 1/101, 2800 Mechelen, Belgique

Last updated: 26/02/2026

Prayon

Prayon is a company specialized in phosphorus chemistry. It develops phosphate solutions, industrial equipment and production processes for a wide range of sectors, while promoting resource efficiency, by-product valorization and circular economy principles.

Rue Joseph Wauters 144, 4480 Engis, Belgique

Last updated: 27/07/2026

Project+

Project + is a company specializing in the development and management of projects in the energy and environmental infrastructure sector in Belgium and abroad.

Av. Albert 119, 1190 Forest, Belgique

Last updated: 15/05/2026

Province de Liège

The province of Liège is one of Belgium's provinces, located in the Walloon region. Its capital is the city of Liège, which is also the largest city in the province. The province borders Germany, the Netherlands, and Luxembourg. It is home to Belgium's German-speaking community, located in the east (cantons of Eupen and Saint-Vith).

Rue Georges Clémenceau 15, 4000 Liège, Belgique

Last updated: 24/02/2026

Purecontrol

Purecontrol develops an artificial intelligence solution that optimizes industrial processes in real time to reduce energy and chemical consumption as well as associated emissions. Deployed across more than 500 water treatment sites, its technology helps improve both environmental and economic performance, without any additional hardware investment.

Last updated: 06/03/2026

Pôle MecaTech

The MecaTech cluster aims to increase the partnership between the worlds of industry, research and training in order to improve the competitiveness of Wallonia through innovative projects.

Rue Jean sonet 21, 5032 Gembloux, Belgique

Last updated: 12/03/2026

RaYSun

Developing and financing green energy sharing projects in the Benelux and France.

Rue du Marais 49, 1000 Bruxelles, Belgique

Last updated: 03/02/2026

Renner Energies

Producteur indépendant d'énergies renouvelables, actif dans 8 pays sur deux continents.

Interleuvenlaan 15/D, 3001 Leuven, Belgique

Last updated: 12/01/2026

Reno.Energy

Company specialising in energy renovation and new construction.

Rue de Tilff 277, 4031 Liège, Belgique

Last updated: 20/02/2026

RenoWatt

Improvement of the energy efficiency of public buildings.

Av. Maurice Destenay 13, 4000 Liège, Belgique

Last updated: 07/08/2025

RESA

Gas and electricity distribution system operator.

Rue Louvrex 95, 4000 Liège, Belgique

Last updated: 23/04/2025

Rescoop Wallonie

RESCOOP WALLONIE asbl, Fédération wallonne des coopératives citoyennes d’énergie renouvelable

Rue de l'Académie 53, 4000 Liège, Belgique

Last updated: 06/01/2026

Resolia

Developing efficient district heating networks requires analyzing technical, energy, and socio-economic data. Through innovative modeling, Resolia provides decision-making and control tools for public authorities, developers, and network operators—optimizing projects and cutting CO₂ emissions by up to fourfold.

Chemin du Cyclotron 6, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 09/03/2026

RISE

The Interface Entreprises-Université is the permanent body that liaises and promotes collaborations between the University and Enterprises.

Avenue du Pré Aily 4, 4031 Liège, Belgique

Last updated: 15/04/2026

Sense Environnement

SENSE ENVIRONMENT provides a multidisciplinary team, able to understand any problems inherent in the management of energy, air or water, to help reduce the environmental footprint of an organization’s activity.

Rue des Potalles 26a, 4520 Wanze, Belgique

Last updated: 24/04/2025

Sertius

Sertius is a consulting company that is able to evaluate environmental and safety issues within a regional, national and international context and to help clients to act locally following the solutions found.

Chemin du Cyclotron 6, 1348 Ottignies-Louvain-la-Neuve, Belgique

Last updated: 15/05/2026

SFPIM

SFPIM is intent on being a reliable partner for Belgian companies, both SMEs and scale-ups, helping them grow into a reference in their sector by providing “smart capital solutions”.

Av. Louise 32, 1050 Bruxelles, Belgique

Last updated: 10/12/2025

SGI Luxembourg

SGI is a multidisciplinary engineering group with companies in Luxembourg and abroad. Our teams are specialized in the design and management of structures in the fields of Building, Transport and Water.

2 ZA Um Lënster Bierg, 6125 Junglinster, Luxembourg

Last updated: 15/12/2025

Sibelga

Manager of the gas and electricity networks in Brussels.

Quai des Usines 16, 1000 Bruxelles, Belgique

Last updated: 12/11/2025

Siemens Energy

Siemens Energy is one of the world’s leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world.

Guido Gezellestraat 125, 1654 Beersel, Belgique

Last updated: 20/03/2025

SPAQuE

An operator specialising in the remediation of polluted land. By cleaning up polluted industrial wastelands and landfill sites, developing renewable energy projects and participating in redevelopment projects for rehabilitated sites, SPAQUE is positioning itself as a key player in the economic and sustainable development of Wallonia.

Av. Maurice Destenay 13, 4000 Liège, Belgique

Last updated: 30/07/2026