How Do I Apply for EDI | EDI | Our Services | Business | Dwr Cymru Welsh Water
Dwr Cymru Welsh Water

How Do I Apply for EDI

How Do I Apply for EDI?

To find out if you are eligible to receive EDI to replace your paper bills please complete the EDI application form below. Or if you have any questions please contact our Commercial Billing Team at

Eligibility Requirements

  • Must be a business customer with 10 or more sites within Welsh Waters operating area
  • Must be capable of receiving and processing TRADACOMS 26 version 3 protocol
  • Not suitable for trade effluent accounts

Once you've been accepted for EDI

Once you have been accepted to receive EDI billing and you wish to utilise the MyBill facility you will need to register for this service using your master account number, full address and post code given to you at EDI set up.