Portsmouth Water has been supplying high-quality, reliable, affordable water to our customers in West Sussex and Hampshire for more than 160 years.
Our business plan for 2025-30 has been submitted to Ofwat, the water industry regulator. We created this plan with your input and it sets out the details of how we plan to consistently deliver high levels of service, the lowest bills in the industry and maintaining our customers’ trust to do so.
It’s our responsibility to plan, invest wisely and evolve to make sure we can continue to meet and exceed these high standards in a changing and very challenging landscape.
Our purpose is to deliver ‘Excellence in Water. Always’. This is what our plan will deliver tomorrow and in the long term. At the heart of our plan is the evolution of our network to a fully smart platform and the installation of smart meters for nearly all our customers by 2035, supported by reliable assets and processes, all managed, operated and maintained by a skilled workforce. Select any of the documents to read more about the aspects of how we plan to achieve this.
Please feel free to use our Document Navigation Guide, as this details the structure of our Business Plan.
Our Business Plan to 2030
Supporting documents
Vision and long term plans
Further documentation
PRT03: Engaging and Understanding Our Customers and Communities
Please see 'Customer Insight Documents' section
PRT04: Delivering for Our Customers and Communities
PRT04.01 - Optopia Carbon Report
PRT05: Delivering Outcomes for Our Customers
PRT05.01 - Artesia Review of PCC
PRT07: Our Investment Plan 2023-2030
PRT07.01 - Security Resilience and eCAF Compliance at Operational Sites
PRT07.02 - Raw Water Resilience Enhancements (Disinfection)
PRT07.03 - Raw Water Deterioration and Drought Capacity Enhancements
PRT07.04 - The Isolation and Recovery of Service Reservoirs
PRT07.05 - WINEP and Protecting the Environment
- PRT07.05.01: Portsmouth Water Investigation Costing (SDS-JN) - This document is available on request
- PRT07.05.02: Portsmouth Water WINEP PR24 Development - This document is available on request
- PRT07.05.03: Supplemental_WINEP Methodology and driver codes - This document is available on request
PRT07.06 Reducing Customer Side Demand (Universal Smart Metering)
- PRT07.06.01 Report - WSM WDM roll-out - CBA findings - This document is available on request
PRT07.07 Lead Strategy Implementation
PRT09: Securing Value for Money
PRT09.01 Frontier Economics - High-level forecasts of Portsmouth PR24 allowances
PRT10: Innovation to Enhance Our Service Delivery
PRT10.02 PW Innovation Framework Draft V11
PRT10.03 UK-2050-Water-Innovation-Strategy
PRT13: Aligning Risk and Return
PRT13.01 Credit_Opinion-Portsmouth-Water-Limited-10Mar2023-PBC_1353763 (005)
PRT13.02 Havant Thicket Reservoir Allowed Cost of Capital (First Economics Report)
PRT13.03 Cost of Capital for Havant Thicket (NERA Economic Consulting)
PRT13.04 Financeability and Financial Resilience Centrus Assurance
PRT15: Board Assurance
PRT15.03 - Jacobs assurance report
PRT15.04 - Jacobs Documents assurance report
PRT15.05 - Jacobs Data Tables assurance report
PRT15.06 - KPMG Data Tables assurance report - This document is available on request
PRT17: Water Resource Management Plan
PRT62.01 Cost-of-new-debt-indexation-model
PRT62.02 Developer Services Reconciliation Model
PRT62.03 Gearing-Outperformance-Sharing-Mechanism
PRT62.04 PR19-Innovation-funding-reconciliation-model
PRT62.05 PR19IPD04-in-period-adjustments-model
PRT62.06 PR24-RCV-adjustments-feeder-model
PRT62.07 PR24-Revenue-adjustments-feeder-mode
PRT62.08 Residential-Retail-Reconciliation-Model
PRT62.10 RPI-CPIH-wedge-true-up-model
PRT62.11 Tax-reconciliation-tool
PRT64 PR24_Business_plan_tables_to_financial_model_mapping_tool_v5_25Sep
PRT65 PR24-financial-model-v21a 25Sept
PRT03.67 Affordability and Acceptability Testing - Quantitative Report
PRT03.75 Summary of Engagement Triangulation
Please download our pack of Customer Engagement (74,337KB) to view the rest of our evidenced Customer Insight.Below you will see a list of the documents you will find in this .zip file. These are referenced in PRT03 Engaging and Understanding Our Customers and Communities of our Business Plan:
PRT03.01 PR19 Customer Engagement and Triangulation
PRT03.02 Deliberative Qualitative Research
PRT03.03 22a. Foundational Customer Research
PRT03.04 Stakeholder Business Plan Priorities
PRT03.05 25a. Stimulus
PRT03.06 25b. Discussion Guide
PRT03.07 25c. Research Reading Materials
PRT03.08 Barometer Panel - Wave 1
PRT03.09 26a. Questionnaire
PRT03.10 Customer Priorities
PRT03.11 Supporting Vulnerable Customers
PRT03.12 Barometer Panel - Wave 2
PRT03.13 39a. Questionnaire
PRT03.14 Customer Advisory Panel - Wave 1
PRT03.15 40a. Stimulus
PRT03.16 40b. HH Discussion Guide
PRT03.17 40c. NHH Discussion Guide
PRT03.18 Vulnerable Customer
PRT03.19 46b. Discussion Guide
PRT03.20 Barometer Panel - Wave 3
PRT03.21 57a. Questionnaire
PRT03.22 Cross Subsidy Research
PRT03.23 58a. Questionnaire
PRT03.24 Future Customers Panel
PRT03.25 60a. Day 1 Presentation
PRT03.26 60b. Day 2 Presentation
PRT03.27 60c. Stimulus
PRT03.28 60d. Discussion Guide Day 1
PRT03.29 60e. Discussion Guide Day 2
PRT03.30 Customer Advisory Panel - Wave 2
PRT03.31 61a. Stimulus
PRT03.32 61b. NHH Discussion Guide
PRT03.33 Barometer Panel - Wave 4
PRT03.34 63a. Questionnaire
PRT03.36 64a. HH Stimulus
PRT03.37 64b. NHH Stimulus
PRT03.35 Customer Advisory Panel - Wave 3
PRT03.39 67a. Stimulus
PRT03.40 67b. Discussion Guide
PRT03.38 Future Customers Panel - Plan Choices
PRT03.39 67a. Stimulus
PRT03.40 67b. Discussion Guide
PRT03.41 Customer Advisory Panel - Wave 4
PRT03.42 68a. Discussion Guide
PRT03.43 68b. Stimulus
PRT03.44 Plan Choices - NHH Customers
PRT03.45 69a. Stimulus
PRT03.46 69b. NHH Discussion Guide
PRT03.47 69c. Developers Discussion Guide
PRT03.48 Plan Choices - Full Triangulation
PRT03.49 70a. Survey
PRT03.50 Affordability and Acceptability Testing - Qualitative Report
PRT03.51 71a. Deliberative Moderator Guide
PRT03.52 71b. Online NHH Discussion Guide
PRT03.53 71c. Health and Vulnerable Discussion Guide
PRT03.54 71d. HH Stimulus
PRT03.55 71.e HH Pre Read inc. Recording
PRT03.56 71f. NHH Depth Stimulus
PRT03.57 71g. NHH Pre Read
PRT03.58 71h. Vulnerable Pre Read
PRT03.59 71i. Vulnerable Depth Stimulus
PRT03.60 Smart Meter Hyper Care
PRT03.61 73a. Discussion Guide
PRT03.62 73b. Stimulus
PRT03.63 Hard to Reach Customers
PRT03.64 74a. Discussion Guide
PRT03.65 74b. Stimulus
PRT03.66 LTDS
PRT03.68 76a. Survey Questionnaire
PRT03.69 Customer Advisory Panel - Wave 5 and Customer Barometer Panel - Wave 6
PRT03.70 77a. Discussion Guide
PRT03.71 77b. Stimulus CAP
PRT03.72 77c. Barometer Questionnaire
PRT03.73 77d. Stimulus Barometer
PRT03.74 77e. Student Barometer Questionnaire
PRT03.76 78a. Synthesis and Triangulation Report 1
PRT03.77 78b. Synthesis and Triangulation Report 2
PRT03.78 78c. Synthesis and Triangulation Report 3
PRT03.79 78d. Synthesis and Triangulation Report 4
PRT03.80 78e. Synthesis and Triangulation Report 5
PRT03.81 78f. Synthesis and Triangulation Report 6