Charges and billing
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To calculate the cost of supplying services to a potential customer within the Welsh Water supply area, see our published charges for our wholesale services
The Wholesale Charging Rules require each undertaker considering significant changes to its Primary Wholesale Charges, to publish information informing stakeholders of the scope of its proposed changes no later than six months before publishing its Final Wholesale Charges.  

The detailed charges can be found below


Charges and Billing 2017-2018

Wholesale Tariff Document 2017-2018

Wholesale Billing Timetable 2017-2018

Charges and Billing 2018-2019

Indicative Wholesale Tariffs 2018-2019

Statement Of Significant Changes 2018-2019 

Wholesale Tariff Document 2018-2019

Wholesale Billing Timetable 2018-2019