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Annual Performance Report Overview - 2022-2023


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Our Annual Performance Report contains information that allows customers and stakeholders to review our performance and to make comparisons with other companies in the sector.

It also provides specific information on the progress we have made on the delivery of customer outcomes and service levels and on our financial performance (including detailed revenue and cost information).

We are required to publish a single Annual Performance Report in a format prescribed by Ofwat.

If you require the documents in an alternative format like large print, or braille please call our Specialist Support team on 0330 0413394 who will arrange for a copy in a format that works for you.

2022-2023

APR-Part-1

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850.6kB, PDF

APR-Part-2

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637.7kB, PDF

APR-Part-3

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2.4MB, PDF

APR-Parts-4-to-11

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1.3MB, PDF

APR-Tables-part-3

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1.7MB, XLSX

APR-Tables-parts-1-to-11-excluding-part-3

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2.1MB, XLSX

Accounting Methodology Statement

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970.6kB, PDF

Board Statements

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1.8MB, PDF

Consolidated PC Data

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49.5kB, XLSX

CSVConsolidated PC Data

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141.4kB, CSV

CSVConsolidated PC MetaData

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2.1kB, CSV

Data-Assurance-Summary

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245.3kB, PDF

In-period-adjustment-model

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342.7kB, XLSX

In-Period-ODI-submission

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330.8kB, PDF

Open Data Rationale

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132.4kB, PDF

Water Catchment Report

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1.4MB, PDF

2021-2022

Annual Performance Report Overview 2021-2022 v2 18 January 2023

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787.2kB, PDF

Annual Performance Report 2021-2022 Overview

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786.9kB, PDF

Annual Performance Report 2021-2022 Part 1

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662.3kB, PDF

Annual Performance Report 2021-2022 Part 1 v2 1 August 2022

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815.2kB, PDF

Annual Performance Report 2021-2022 - Part 1 v3 24 January 2023

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815.9kB, PDF

Annual Performance Report 2021-2022 Part 2

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650.9kB, PDF

Annual Performance Report 2021-2022 Part 3

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2MB, PDF

Annual Performance Report 2021- 2022 - Part 3 v2 23 January 23

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4.4MB, PDF

Annual Performance Report - 2021-2022 Parts 4 to 11

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3MB, PDF

Annual Performance Report 2021-2022 Parts 4 to 11 v2 24 January 2023

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2.5MB, PDF

Data Assurance Summary 2021-2022

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338.8kB, PDF

Accounting Methodology Statement

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985.1kB, PDF

Annual Performance Report 2021-2022 Tables Parts 1 to 11 excluding part 3

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1.6MB, XLSX

APR Tables 202122 tables excluding tables 3A3I v6 24 January 2023

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1.6MB, XLSX

Annual Performance Report 2021-2022 Tables Parts 1 to 11 excluding part 3 v2 29 July 2022

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1.6MB, XLSX

Annual Performance Report 2021-2022 Tables Parts 1 to 11 excluding part 3 v3 1 August 2022

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1.6MB, XLSX

Annual Performance Report 2021-22 Tables Parts 1 to 11 excluding part 3 v4 21 September 2022

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1.6MB, XLSX

Annual Performance Report 2021-2022 Tables Parts 1 to 11 excluding part 3 v5 22 September 2022

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1.6MB, XLSX

Annual Performance Report 2021-2022 Tables Part 3

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1.7MB, XLSX

APR Tables 202122 part 3 Performance Commitmentsv2 24 January 2023

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1.7MB, XLSX

In-Period ODI Submission 2021-22

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315.8kB, PDF

In-Period Adjustments Model - 2022

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345.6kB, XLSX

2021_22 Commentary Carbon Footprint

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162.9kB, PDF

WSH Water catchments improved PCWt7 AnnualReport 2022

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335.7kB, PDF

2020-2021

Annual Performance Report 2020-2021 Overview

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768.7kB, PDF

Annual Performance Report 2021 - Part 1 Addendum IF

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198.4kB, PDF

Annual Performance Report 2020-2021 Part 1

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758.7kB, PDF

Annual Performance Report 2020-2021 Part 2

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639.3kB, PDF

Annual Performance Report 2020-2021 Part 3

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2MB, PDF

Annual Performance Report - 2020-2021 Parts 4 to 9 - v2

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2.9MB, PDF

Data Assurance Summary 2020-2021

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609.7kB, PDF

Accounting-Methodology-Statement-2020-2021

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1MB, PDF

Annual Performance Report 2020-2021 Tables Parts 1 to 9 excluding part 3 v2

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1.7MB, XLSX

Annual Performance Report 2020-2021 Tables Part 3

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1.7MB, XLSX

In-Period ODI Submission 2020-21 WSH

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446.3kB, PDF

2020-21 In-Period Draft Determination Response WSH

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208.1kB, PDF

PR19 In-Period Adjustments Model - March 2021 v14 WSH

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301.4kB, XLSX

2019-2020

Annual Performance Report 2020-2021 Overview

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768.7kB, PDF

Annual Performance Report 2019-2020 Part 1

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736.6kB, PDF

Annual Performance Report 2019-2020 Part 2

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506.1kB, PDF

Annual Performance Report 2019-2020 Part 3

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3.5MB, PDF

Annual Performance Report 2019-2020 Part 4

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2.6MB, PDF

Risk and Compliance Statement - APR Part 5

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471.6kB, PDF

Data Assurance Summary

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821.4kB, PDF

PR19 Blind Year Submission July 2020

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1MB, PDF

Accounting Separation and Methodology Statement 2019-2020

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1MB, PDF

2018-2019

Annual Performance Report 2018-19 Overview

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1.2MB, PDF

Annual Performance Report 2018-19 Part 1

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943.2kB, PDF

Annual Performance Report 2018-19 Part 2

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889.9kB, PDF

Annual Performance Report 2018-19 Part 3

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3.5MB, PDF

Annual Performance Report 2018-19 Part 4

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4.2MB, PDF

Risk and Compliance Statement APR 2018-19 Part 5

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332.5kB, PDF

PR14 Reconciliation Rulebook 2018-2019

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1.2MB, PDF

Accounting Separation Methodology Statement 2018-19

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2.2MB, PDF

2017-2018

Annual Performance Report 2017-2018 Overview

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1.6MB, PDF

Annual Performance Report 2017-2018 Part 1

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847.3kB, PDF

Annual Performance Report 2017-2018 Part 2

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760.7kB, PDF

Annual Performance Report 2017-2018 Part 3

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3.7MB, PDF

Annual Performance Report 2017-2018 Part 4

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3.4MB, PDF

Annual Performance Report 2017-2018 Part 5 - Risk and Compliance

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524.7kB, PDF

Annual Performance Report 2017-2018 Data Assurance Summary

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1.1MB, PDF

Accounting Separation Methodology Statement 2017-2018

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1.3MB, PDF