Financial reports
This is where we report on our performance and our Financial Reports.
Annual reports and financial statements
These reports are the principal way we document our yearly performance and hold ourselves publicly to account.
Annual reports 2025
2025 Bioresources market information
Bioresources market monitoring information template
BRL ODI performance model for 2024-25
BRL Accounting Separation Methodology APR 2025
SBB in period adjustments model for 2024-25
Annual reports and financial statements
Annual reports 2024
Supporting documents
- 2023-24 APR Master BRL
- 2023-24 APR Master SBB
- 2023-24 APR Master SWB
- 2024 Bioresources-market-information - SWB
- Bioresources-market-monitoring-information-template - SWB
- BRL Open Data Format
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - BRL
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - SWB
- PR19IPD04-in-period-adjustments-model-v1.4d BRL
- PR19IPD04-in-period-adjustments-model-v1.4d SWB
- SBB Open Data Format
- SWB Open Data Format
- ASM methodology 2024
Annual reports 2023
- Annual Performance Report and Regulatory Reporting 2023
- Bringing water to life - Green Recovery Annual Report 2023 - Appendix
- Bristol Water PLC Annual Report and Financial Statements For the Year Ending March 2023
- Accounting Separation Methodology 2023
- Bioresources market monitoring information
- 2022-23 APR Tables
- 2022-23 ODI Tables
Previous annual reports
Interim reports
Below are announcements of interim results for the specified period below.
Financial flows
This information provides a comparison between the financial flows to investors on the basis of our actual capital structure of water and what they would have been under Ofwat’s notional structure. We provide data for each year 2015/16, 2016/17 and 2017/18, and the average position over the three years.
Preliminary financial results
Below are announcements of our preliminary financial results for the specified period below.
Annual reports and financial statements
These reports are the principal way we document our yearly performance and hold ourselves publicly to account.
Annual reports 2025
2025 Bioresources market information
Bioresources market monitoring information template
BRL ODI performance model for 2024-25
BRL Accounting Separation Methodology APR 2025
SBB in period adjustments model for 2024-25
Annual reports and financial statements
Annual reports 2024
Supporting documents
- 2023-24 APR Master BRL
- 2023-24 APR Master SBB
- 2023-24 APR Master SWB
- 2024 Bioresources-market-information - SWB
- Bioresources-market-monitoring-information-template - SWB
- BRL Open Data Format
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - BRL
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - SWB
- PR19IPD04-in-period-adjustments-model-v1.4d BRL
- PR19IPD04-in-period-adjustments-model-v1.4d SWB
- SBB Open Data Format
- SWB Open Data Format
- ASM methodology 2024
Annual reports 2023
- Annual Performance Report and Regulatory Reporting 2023
- Bringing water to life - Green Recovery Annual Report 2023 - Appendix
- Bristol Water PLC Annual Report and Financial Statements For the Year Ending March 2023
- Accounting Separation Methodology 2023
- Bioresources market monitoring information
- 2022-23 APR Tables
- 2022-23 ODI Tables
Previous annual reports
Interim reports
Below are announcements of interim results for the specified period below.
Financial flows
This information provides a comparison between the financial flows to investors on the basis of our actual capital structure of water and what they would have been under Ofwat’s notional structure. We provide data for each year 2015/16, 2016/17 and 2017/18, and the average position over the three years.
Preliminary financial results
Below are announcements of our preliminary financial results for the specified period below.
Annual reports and financial statements
These reports are the principal way we document our yearly performance and hold ourselves publicly to account.
Annual reports 2025
2025 Bioresources market information
Bioresources market monitoring information template
BRL ODI performance model for 2024-25
BRL Accounting Separation Methodology APR 2025
SBB in period adjustments model for 2024-25
Annual reports and financial statements
Annual reports 2024
Supporting documents
- 2023-24 APR Master BRL
- 2023-24 APR Master SBB
- 2023-24 APR Master SWB
- 2024 Bioresources-market-information - SWB
- Bioresources-market-monitoring-information-template - SWB
- BRL Open Data Format
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - BRL
- PR19IPD01_ODI-performance-model-v1.11_Final_May2024 - SWB
- PR19IPD04-in-period-adjustments-model-v1.4d BRL
- PR19IPD04-in-period-adjustments-model-v1.4d SWB
- SBB Open Data Format
- SWB Open Data Format
- ASM methodology 2024
Annual reports 2023
- Annual Performance Report and Regulatory Reporting 2023
- Bringing water to life - Green Recovery Annual Report 2023 - Appendix
- Bristol Water PLC Annual Report and Financial Statements For the Year Ending March 2023
- Accounting Separation Methodology 2023
- Bioresources market monitoring information
- 2022-23 APR Tables
- 2022-23 ODI Tables
Previous annual reports
Interim reports
Below are announcements of interim results for the specified period below.
Financial flows
This information provides a comparison between the financial flows to investors on the basis of our actual capital structure of water and what they would have been under Ofwat’s notional structure. We provide data for each year 2015/16, 2016/17 and 2017/18, and the average position over the three years.
Preliminary financial results
Below are announcements of our preliminary financial results for the specified period below.
Annual Performance Report & Open Data
We continue to publish our Annual Performance Report (APR) data under an open data licence to ensure it is accessible, reusable, and transparent.
Our APR data tables are available in CSV format, making them machine-readable and easy to use. We also provide accompanying metadata in an accessible format. All data tables and metadata can be accessed both on our website and via the Stream data portal.
For any questions about accessing or using our open data, please contact AnnualAudits@southwestwater.co.uk. To help us respond effectively, please include details of the specific dataset you are enquiring about.
This data is published under the Creative Commons Attribution (CC BY) licence, allowing free reuse by customers, stakeholders, and other interested organisations. More information on CC BY.
We have also recently published the Open Data Strategy for the Pennon Group, which includes: