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Structured electronic invoicing between businesses will become mandatory from 2026: what do you need to do?
From 1 January 2026, all Belgian companies subject to VAT will have to exchange structured electronic invoices directly between software systems via the Peppol network.
From this date on, you will receive your ENGIE invoices via the Peppol network.
Is your company not yet registered with Peppol?
Contact your accounting software provider without delay to set up your connection. You can already test how e-invoicing works so that your company is ready in time.
You can easily check whether your company is already connected on this website: https://directory.peppol.eu/public.
Structured electronic invoices will be sent via a decentralised network called Peppol (Pan-European Public Procurement Online). To receive your energy bills, your accounting software will establish a secure connection with this Peppol network, to which ENGIE is also connected. Peppol can be compared to a telecommunications network. Thanks to this network, data is exchanged securely and in a structured manner between different applications.
From 1 January 2026, all Belgian companies subject to VAT will have to use structured electronic invoices for intra-company business.
More info? https://efacture.belgium.be/fr/article/pour-qui-la-facturation-electronique-deviendra-t-elle-obligatoire
Sending an invoice in PDF format by email or via a platform will no longer be sufficient. Invoices will have to be exchanged directly between the software systems of the two companies.
Your company needs software designed to work with the Peppol format and network. There are many solutions available, whether you have a lot or a few outgoing or incoming invoices, or whether you have an ERP system or not.
More info? On the website ‘efacture.belgium.be’, you will find a list of software solutions for sending, receiving and processing electronic invoices.
Your company must assess its current invoicing and accounting system and, if necessary, adapt it so that it can send and receive structured electronic invoices.
We advise you to contact your software provider to check whether your current systems are compatible with electronic invoicing via the Peppol network.
Until 31 December 2025, you can receive both electronic invoices (if you have agreed to this) and paper invoices.
From 1 January 2026, structured electronic invoices will be mandatory for transactions between Belgian VAT-registered businesses (B2B). Structured electronic invoices are the only legally compliant invoices.
Your company must be registered with the Peppol network. Contact your accounting software provider as soon as possible to set up your connection.
You will still find your .pdf invoices in your Customer Area. However, the structured electronic invoice will be the only legally compliant invoice.