In-period determinations for 2022-23

On 14 November 2023, we published our in-period outcome delivery incentives final determinations for 2022-23, including a sector-wide report, confirming the payments due to companies or customers as a result of water company performance against their 2022-23 performance commitments.

Below are our final determinations set out for each water and wastewater company.

We analyse and compare water company performance through publications such as our Water Company Performance Report and Financial Monitoring Report.

 

Company Consultation on our draft in-period ODI determination Consultation response Final in-period ODI determination
Sector-wide report Sector-wide report – Draft determination 2022-23 Sector-wide responses Sector-wide report – Final determination publication
Affinity Water Affinity Water – Draft determination 2022-23 Affinity Water – responses Affinity Water – Final determination publication and models
Anglian Water Anglian Water – Draft determination 2022-23 Anglian Water – responses Anglian Water – Final determination publication and models
Dŵr Cymru Dŵr Cymru – Draft determination 2022-23 Dŵr Cymru – responses Dŵr Cymru – Final determination publication and models
Hafren Dyfrdwy Hafren Dyfrdwy – Draft determination 2022-23 Hafren Dyfrdwy – responses Hafren Dyfrdwy – Final determination publication and models
Northumbrian Water Northumbrian Water – Draft determination 2022-23 Northumbrian Water – responses Northumbrian Water – Final determination publication and models
Portsmouth Water Portsmouth Water – Draft determination 2022-23 Portsmouth Water – responses Portsmouth Water – Final determination publication and models
SES Water SES Water – Draft determination 2022-23 SES Water – responses SES Water – Final determination publication and models
Severn Trent Water Severn Trent  – Draft determination 2022-23 Severn Trent Water – responses Severn Trent Water – Final determination publication and models
South East Water South East Water – Draft determination 2022-23 South East Water – responses South East Water – Final determination publication and models
South Staffs Water South Staffs Water – Draft determination 2022-23 South Staffs Water – responses South Staffs Water – Final determination publication and models
South West Water South West Water – Draft determination 2022-23 South West Water – responses South West Water – Final determination publication and models
Southern Water Southern Water – Draft determination 2022-23 Southern Water – responses Southern Water – Final determination publication and models
Thames Water Thames Water – Draft determination 2022-23 Thames Water – responses Thames Water – Final determination publication and models
United Utilities United Utilities – Draft determination 2022-23 United Utilities – responses United Utilities – Final determination publication and models
Wessex Water Wessex Water – Draft determination 2022-23 Wessex Water – responses Wessex Water – Final determination publication and models
Yorkshire Water Yorkshire Water – Draft determination 2022-23 Yorkshire Water – responses YorkshireWater – Final determination publication and models

C-MeX model

D-MeX model