Our future plans - PR24 Business Plan and Long-Term Delivery Strategy
Pennon confirms a record £3.2bn investment for customers across the South West, Bristol, Bournemouth and Sutton and East Surrey
Our parent company, Pennon, has announced a £3.2bn investment plan for 2025-2030 to enhance water quality, protect the environment, and support customers across the South West, Bristol, Bournemouth, and Sutton and East Surrey. Key initiatives include reducing storm overflows, achieving net zero by 2030, and addressing water poverty with a £200m support package. While bills will see modest increases, Pennon remains committed to affordability and environmental gains, including planting 300,000 trees and connecting strategic reservoirs. CEO Susan Davy emphasizes delivering real change and supporting customers through innovative solutions. Read the full press release here.
Our draft determination response
Each of the response appendices and models can be downloaded from the list below.
- SES101 Business Plan 2025 to 2030 Draft Determination Representation - 28 August 2024 (977KB)
- Appendix SES102 Outcomes (930KB)
- Appendix SES103 Pumping Cost Adjustment Claim (2.2MB)
- Appendix SES104 Softening Cost Adjustment Claim Redacted (925KB)
- Appendix SES105 Energy Prices Redacted Final (678KB)
- Appendix SES106 Leakage Reduction Enhancement Claim (885KB)
- Appendix SES107 Smart Metering Enhancement Claim Redacted (791KB)
- Appendix SES108 Customer Focused Lead Replacement Programme (602KB)
- Appendix SES109 Resilience Enhancement Claim Redacted Final (589KB)
- Appendix SES110 Enhancement Efficiency Challenge (506KB)
- Appendix SES111 RCV run-off rate (752KB)
- Appendix SES112 Risk and Return RoRE and Financing Our Plan (711KB)
- Appendix SES113 External Assurance - PA Consulting (2.2MB)
- Appendix SES114 External Assurance - MOTTS (1.5MB)
- Appendix SES115 External Assurance - NERA (1.2MB)
- Appendix SES116 Customer and Environmental Scrutiny Panel - Ofwat Letter (595KB)
- Appendix SES117 Summary of our Draft Determination Response (482KB)
- Appendix SES118 PR24 draft determinations company representation proforma (69KB)
- PR24-New-Additional-Business-Plan-Data-Tables-Post-DD-collection (2.8MB)
- SES Water PR24-BP-tables-Revised DD Response V7 28 Aug (7.9MB)
- SES-PR24-financial-model-v21s-DDs (8.7MB)
- SES Cost-of-new-debt-indexation-model-DD (787KB)
- SES Cost-sharing-total-costs-Reconcilation-DD (224KB)
- SES Developer-services-reconciliation-model DD (89KB)
- SES Gearing-Outperformance-Sharing-Mechanism (691KB)
- SES Land-sales-model- DD (126KB)
- SES PR19IPD01_ODI-performance-model 2023-24 DD (2.3MB)
- SES PR19IPD01_ODI-performance-model 2024-25 DD (2.3MB)
- SES Residential-Retail-Reconciliation-Model DD (100KB)
- SES RFI-model DD (200KB)
- SES RPI-CPIH Wedge true up model - DD (1.4MB)
- SES-PR24-RCV-adjustments-feeder-model-DD (224KB)
- SES-PR24-Revenue-adjustments-feeder-model-DD-v2 (507KB)
At a glance: our business plan
You can download a summary of our plan below.
Our business plan chapters
The plan has been organised into 11 chapters, each of which can be downloaded from the list below.
- Section 1 SESW Guide to our business plan for 2025 to 2030_FINAL (548KB)
- Section 2 SESW_Executive summary_FINAL (341KB)
- Section 3 SESW_About us and our track record_FINAL (640KB)
- Section 4 SESW Long Term Delivery Strategy_Final (512KB)
- Section 5 SESW Our customers and their priorities_Final (844KB)
- Section 6 SESW The outcomes we will deliver_Final (962KB)
- Section 7 SESW Explaining our costs_Final (812KB)
- Section 8 SESW Financing our plan_Final (459KB)
- Section 9 SESW Affordability_Final (432KB)
- Section 10 SESW Our delivery plan_Final (941KB)
- Section 11 SESW Governance and assurance_Final (444KB)
You can download a copy of our latest Business Plan tables here:
A summary of the key changes are here:
Our long-term delivery strategy
Our long-term delivery strategy shows the priorities and level of ambition we have during the next 25 years and can be viewed by downloading the file below.
Supporting documents
We've published a number of supporting documents that cover our business plan and long-term delivery strategy
- SES001 LTDS - Development Process (1.3MB)
- SES002 LTDS Long-term Ambitions and Priorities (4.4MB)
- SES003 LTDS - Future Scenarios Detailed Report (1.3MB)
- SES005 Explaining Our Costs (3.3MB)
- SES006 Enhancement Case - Water Quality Enhancement (2.7MB)
- SES008 Enhancement Case - Enhanced Leakage and Network Resilience (804KB)
- SES010 Enhancement Case - Environmental Improvement (1.4MB)
- SES012 External Assurance FINAL (7.2MB)
- SES013 Household Customer Strategy (532KB)
- SES014 Customer Research Summary and Methods (1.1MB)
- SES015 Customer Insight Synthesis and Triangulation (1.0MB)
- SES018 Customer Research Reports (29.3MB)
- SES024 ODI Design and Calibration (708KB)
- SES027 Cost Adjustment Claim - Pumping Costs (764KB)
- SES028 Cost Adjustment Claim - Regional Wages (576KB)
- SES029 Cost Adjustment Claim - Softening (1.7MB)
- SES030 Cost Adjustment Claim - Retail Scale (473KB)
- SES032 DWI Submission - Long Term Planning for the Quality of Drinking Water (4.3MB)
- SES034 Ofwat Letter - LTDS Meeting Feedback (716KB)
- SES035 Operational Greenhouse Gas Emissions - Proposed Trajectory (2.3MB)
- SES036 Environment and Biodiversity Evidence (4.5MB)
- SES037 EA Letter - WINEP Programme (520KB)
- SES038 Rebecca Pow MP - Letter and Response (694KB)
- SES040 Customer and Environmental Scrutiny Panel Final Assurance Report (1.2MB)
- SES043 Resilience Framework - Adoption of System Based Thinking (969KB)
- SES044 DMA Asset Health (2.3MB)
- SES046 Cost of Debt Cost of Equity and Inference Analysis Cross Check on Allowed Returns (5.0MB)
- SES048 Financial Stress Testing Scenarios (496KB)
- SES051 Cost Benefit Anaylsis Smart Metering (839KB)
- SES052 Pioneer Modelling (1.2MB)
- SES053 PR24 Governance Framework (1.0MB)
- SES063 Price Control Deliverables and Reporting Metrics (626KB)
- SES064 Impact of Covid on Water Consumption (17.0MB)
- SES065 Dividend and Executive Pay Policy 2025-2030 (1.2MB)
- SES067 Bough Beech and Fetcham Springs Master Plans (3.3MB)
- SES069 RoRE Ranges and RR30 Table Commentary (693KB)
- SES070 Bid Assessment Framework (955KB)
- SES071 Glossary of Terms (457KB)
- SES073 Bespoke Softening Performance Commitment (796KB)
- SESQAA - Signposting-document-for-quality-and-ambition-assessment (42KB)
- PR24-BP-tables-V6-Final for Submission 2 Oct (7.5MB)
- SES_PR24NotionalFinancialModel_v5_Clean (8.7MB)
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