Charges and billing
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.
Charging and Billing Documents
Charges and Billing 2024/25
- Board Assurance Statement 2024-2025
- Indicative Wholesale Charges Document 2024-2025
- Scheme of Charges - Statement of Significant Changes 2024-2025
Charges and Billing 2023/24
- Wholesale Charges Document 2023-2024
- Wholesale Charges Board Assurance Statement 2023-2024
- Wholesale Primary Charges Summary Table 2023-2024
- Board Assurance Statement 2023-2024
- Indicative Wholesale Tariff 2023-2024
- Statement of Significant Changes 2023-2024
- Wholesale Billing Timetable 2023-2024
Charges and Billing 2022/23
- Wholesale Tariff Document 2022-2023
- Assurance Statement - Wholesale Tariff Document 2022-2023
- Indicative Wholesale Tariff 2022-2023
- Indicative Board Assurance 2022-2023
- Statement of Significant Changes 2022-2023
- Wholesale Billing Timetable 2022-2023
Charges and Billing 2021/22
- Wholesale Tariff Document 2021-2022
- Statement of Board Assurance 2021-22
- Value Added Services – Charging information for Retailers 2021/22
- Indicative Wholesale Tariffs 2021-22
- Statement of Board Assurance - Indicative Wholesale Tariffs 2021-22
- Statement Of Significant Changes - Indicative Wholesale Tariffs 2021-22
- Wholesale Billing Timetable 2021-22
Charges and Billing 2020/21
- Wholesale Tariff Document 2020-21 Vs 2
- Statement of Board Assurance – Wholesale Tariff Document 2020-21
- Value Added Services – Charging Information for Retailers 2020/21 Vs2
- Indicative Wholesale Tariffs 2020-21
- Statement of Board Assurance - Indicative Wholesale Tariffs 2020-21
- Statement Of Significant Changes - Indicative Wholesale Tariffs 2020-21
- Wholesale Billing Timetable 2020-21
Charges and Billing 2019/20
- Wholesale Tariff Document 2019-20
- Statement of Board assurance - Wholesale Tariff Document 2019-20
- Value Added Services - Charging Information for Retailers 2019-20
- Indicative Wholesale Tariffs 2019/20
- Statement of Board Assurance - Indicative Wholesale Tariffs 2019-20
- Wholesale Billing Timetable 2019-20
Charges and Billing 2018/19
- Wholesale Tariff Document 2018-19
- Wholesale Billing Timetable 2018-19
- Indicative Wholesale Tariffs 2018-19
- Statement Of Significant Changes 2018-19