Financial Statements

On this page you will find Portsmouth Water's latest Annual Report and our regulatory Annual Performance Report, as well as a historical record of past versions. Each year, in these reports we include information about our financial performance and our outcomes performance. We also report on our governance and assurance procedures as a business.

Our latest financial documents

Annual report and accounts
Annual Performance Report 2024

What you'll find in Portsmouth Water's Annual Report and Accounts

Explore the highlights of the past year from our operational delivery and strategic programmes, understand the challenges we have faced and our ongoing investments to continue to supply high quality water to over 740,000 customers each day. 

Read more about:

  • Strategy and Delivery
  • Sustainability
  • Governance 
  • Financial Statements

What you'll find in Portsmouth Water's Annual Performance Report

Our Annual Performance Report is a comprehensive document we produce each year. This report provides a detailed overview of our performance against regulatory requirements and commitments. This report is reviewed by the water regulator, Ofwat,

In this document read more about:

  • Regulatory Financial Reporting
  • Performance Summary 
  • Regulatory Information and Reports

Additional documents and historical records

2025 Accounting Separation Methodology Statement 2025
Annual Performance Report Data Tables 2025
Table 4B Analysis of Debt 2025
APR Table 4L - 2024-25
APR Table 4L - 2024-25 Cumulative
ODI Performance Model 2025
2024 Annual Performance Report 2024
Accounting Separation Methodology Statement 2024
Annual Performance Report Data Tables 2024
APR Table 4L - 2023-24
APR Table 4L - 2023-24 Cumulative
ODI Performance Model 2024
2023 Annual Performance Report 2023
Accounting Separation Methodology Statement 2023
Annual Performance Report Data Tables 2023
Table 4B Analysis of Debt 2023
Table 4L Enhancement expenditure 2023
Table 4L YTD Enhancement expenditure 2023
ODI performance model 2023
2022 Annual Performance Report 2022
Accounting Separation Methodology Statement 2022
Annual Performance Report Data Tables 2022
Table 4B Analysis of Debt 2022
Table 4L Enhancement expenditure 2022
Table 4L YTD Enhancement expenditure 2022
ODI performance model 2022
2021 Annual Performance Report 2021 (revised)
Log of Changes to APR 2021
Annual Performance Report 2021
Accounting Separation Methodology Statement 2021
Table 4L Enhancement expenditure
Table 4B Analysis of Debt
2020 Annual Performance Report 2020
Accounting Separation Methodology Statement 2020
2019 Annual Performance Report 2019
Accounting Separation Methodology Statement 2019
2018 Annual Performance Report 2018
Accounting Separation Methodology Statement 2018
APR Assurance Report 2017/18 – Atkins
2017 Annual Performance Report 2017
Accounting Separation Methodology Statement 2017
2016 Annual Performance Report 2016
Accounting Separation Methodology Statement 2016
2015 Regulatory Accounts
Accounting Separation Methodology Statement
Accounting Separation Methodology Statement – Upstream Services

The document below details our Tax Strategy

Portsmouth Water Tax Strategy
Portsmouth Water is considering its current debt structure in the context of the forthcoming PR19 price review by Ofwat. As part of that review, Portsmouth would consider exploring options around its loan with Artesian Finance plc, including repurchasing bonds backed by the associated Portsmouth obligations.