How to invoice Luminus
Once you have delivered your services or products to Luminus, you can send us your invoice. Find here all the guidelines for submitting and processing your invoice correctly, ensuring a smooth payment.
Follow the correct invoicing steps
The invoicing method depends on your supplier type. From 2026, mandatory e-invoicing will apply to Belgian VAT-registered suppliers. International and Belgian suppliers who are not VAT-registered follow different procedures.
Electronic invoicing is mandatory from January 1, 2026
As a company or self-employed person, you will no longer be allowed to send paper or PDF invoices to other companies. You must switch to structured electronic invoices via Peppol. With the introduction of e-invoicing, the federal government aims to increase efficiency in companies and organizations, reduce administrative burdens, and combat VAT fraud. It is therefore crucial that you prepare thoroughly for this change.
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How to invoice via Peppol
Detailed instructions for sending your invoice to Luminus via Peppol will be available here soon. We recommend preparing for this transition now to ensure a smooth changeover.
Questions on Peppol?
The Belgian government provides detailed information and FAQs about mandatory e-invoicing on their website.