Get information on retail competition and how to access our network
Find out how we calculate your bill
Read our consultations and our responses to others’ consultations
Access our most recent performance information
The buttons above will help you find out more about the various aspects of regulation and competition, including links to various documents and information that we're required to publish, such as our tariffs and charges.
Other Useful Documents
Further information on Wholesale and our Scheme of Charges that you may find useful.
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Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777.
Registered office: Pentwyn Road, Nelson, Treharris, Mid Glamorgan CF46 6LY.
© Dŵr Cymru Cyf 2016.