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A clear overview of your energy audit obligations
Companies with multiple sites often face a fragmented landscape of energy obligations. What applies in Flanders does not automatically apply in Brussels, Wallonia or the Netherlands.
This page provides a clear overview of the mandatory energy audit requirements by region, helping you quickly understand which obligations apply to your organisation and where action is required.
Changement important à venir : Fin 2026, le cadre juridique subira de profondes modifications sous l'influence de la directive européenne sur l'efficacité énergétique (EED). Ainsi, le seuil à partir duquel l'audit énergétique devient obligatoire sera abaissé à 10 TJ et, à partir de 85 TJ, la mise en place d'un système de gestion de l'énergie deviendra obligatoire.
Same objective, different regulations
Energy audits pursue the same objective everywhere: gaining insight into energy consumption and identifying concrete energy-saving opportunities.
However, the way these audits are implemented differs significantly from one region to another. Think of varying thresholds, audit methodologies, reporting requirements and compliance deadlines.
For companies operating across multiple regions, this means your approach must be tailored to each location.
Explore the requirements by region
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Flanders
On 17 July, the Flemish Government approved in principle the amendment to the Energy Decree to further transpose the European Energy Efficiency Directive (EED) into Flemish legislation. The new EBO3 also lowers the entry threshold to 85TJ.
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Brussels
Companies in the Brussels-Capital Region are subject to specific EED audit requirements, with their own criteria and reporting obligations. Here you’ll find a clear overview of the requirements and how to stay compliant.
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Wallonia
Wallonia applies its own rules regarding the regulatory EED audit.
This page explains when an audit is mandatory, what is expected, and how to carry out the audit in accordance with regional legislation.
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Netherlands
In the Netherlands, the EED audit focuses on large enterprises and follows its own regulatory framework.
Here you can learn how the legislation works and how to comply with the audit obligation efficiently.
How Encon supports you
We support companies throughout the entire audit process, taking into account both the specific regional requirements and your internal operations.
Our support includes:
- insight into your obligations for each site
- conducting audits in line with local legislation
- translating findings into practical and achievable measures
- support with reporting and compliance
This helps you avoid duplicated efforts while ensuring everything is completed correctly and on time.
One partner across multiple regions
Do you operate across regions or national borders? Then consistency is essential — without losing sight of local regulations.
Encon combines local expertise with an overarching approach. This allows you to turn mandatory energy audits into more than a compliance exercise: they become an opportunity to strengthen your energy strategy.
Clients with a sustainable business model:
Discover our high-impact case studies
A comprehensive approach to sustainability. By combining sustainability with financial and technical expertise, our experts identify opportunities that make a real difference. We do this by creating financially sound, high-impact projects – enabling clients to generate profits whilst simultaneously building a more sustainable business.
