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.

You can also find our Service Commitment Plan for 2023-2024 below.

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.

The APR data tables are licensed under a Creative Commons Attribution 4.0 International License.

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Annual Performance Report Overview - 2022-2023

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2021-2022

Annual Performance Report 2021-2022 Overview

Annual Performance Report 2021-2022 Part 1

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

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

Annual Performance Report 2021-2022 Part 2

Annual Performance Report 2021-2022 Part 3

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

Annual Performance Report - 2021-2022 Parts 4 to 11

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

Data Assurance Summary 2021-2022

Accounting Methodology Statement

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

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

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

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

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

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

Annual Performance Report 2021-2022 Tables Part 3

APR Tables 202122 part 3 Performance Commitmentsv2 24 January 2023

In-Period ODI Submission 2021-22

In-Period Adjustments Model - 2022

2021_22 Commentary Carbon Footprint

WSH Water catchments improved PCWt7 AnnualReport 2022

2020-2021

Annual Performance Report 2020-2021 Overview

Annual Performance Report 2021 - Part 1 Addendum IF

Annual Performance Report 2020-2021 Part 1

Annual Performance Report 2020-2021 Part 2

Annual Performance Report 2020-2021 Part 3

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

Data Assurance Summary 2020-2021

Accounting-Methodology-Statement-2020-2021

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

Annual Performance Report 2020-2021 Tables Part 3

In-Period ODI Submission 2020-21 WSH

2020-21 In-Period Draft Determination Response WSH

PR19 In-Period Adjustments Model - March 2021 v14 WSH

2019-2020

Annual Performance Report 2020-2021 Overview

Annual Performance Report 2019-2020 Part 1

Annual Performance Report 2019-2020 Part 2

Annual Performance Report 2019-2020 Part 3

Annual Performance Report 2019-2020 Part 4

Risk and Compliance Statement - APR Part 5

Data Assurance Summary

PR19 Blind Year Submission July 2020

Accounting Separation and Methodology Statement 2019-2020

2018-2019

Annual Performance Report 2018-19 Overview