We are at your disposal to answer your questions on the sale of green certificates to Elia.

However, we suggest that you consult beforehand our “Frequently Asked Questions” (FAQ).

If you cannot find an answer to your questions in our FAQ, please contact us by email or telephone, Monday through Friday, between 9:00 and 12:00.

For questions regarding entering your index reading or the validation of your sales transactions in the CWaPE extranet, please contact the CwaPE directly.