PR24 Business Plan 2025-30


PR24 Submission, October 2023

Main documents

WSH01-Long Term Delivery Strategy

Download
2.1MB, PDF

WSH02-Executive Summary

Download
189.3kB, PDF

WSH02a-Crynodeb Gweithredol (Exec Summary translation)

Download
210.3kB, PDF

WSH03-PR24 Business Plan Document

Download
8.9MB, PDF

WSH04-Assurance Statement

Download
1.5MB, PDF

WSH05-Bill Waterfall Model

Download
60.1kB, PDF

WSH06-BP documents guide and hyperlinks

Download
252.2kB, PDF

WSH07-QAA Signposting document

Download
41.8kB, XLSX

Commentary Documents

WSH15 Outcomes OUT1-OUT10

Download
1.3MB, PDF

WSH16 Risk Return RR1-RR30

Download
849.3kB, PDF

WSH17 Costs Wholesale water CW1-CW21

Download
1.1MB, PDF

WSH18 Costs Wholesale wastewater CWW1-CWW22

Download
565.6kB, PDF

WSH19 Water resources RES1

Download
179.2kB, PDF

WSH20 Bioresources BIO1-BIO6

Download
244kB, PDF

WSH21 Retail RET1-RET4

Download
196.6kB, PDF

WSH22 Developer services DS1w-DS6

Download
360.6kB, PDF

WSH23 Long term strategies LS1-LS7

Download
455.1kB, PDF

WSH24 Supplementary tables SUP1A-SUP15

Download
312kB, PDF

WSH25 Summary tables SUM1-SUM4

Download
238kB, PDF

WSH26 Past delivery PD1-PD12

Download
1.3MB, PDF

Supporting Documents

WSH30-Customer engagement and research

Download
2.2MB, PDF

WSH31-ODI rates

Download
518.7kB, PDF

WSH32-Ofwat indicative ODI rates feedback (EI report)

Download
2.1MB, PDF

WSH33 Independent Challenge Group Report

Download
476.7kB, PDF

WSH34-IP01 - Assessing our Plan for Direct Procurement for Customers (DPC) Opportunities

Download
2.2MB, PDF

WSH35-CS00 - Resilience and Security

Download
1.3MB, PDF

WSH36-Water and bioresources bid assessment framework

Download
1.7MB, PDF

WSH37-Bioresources strategy

Download
2MB, PDF

WSH38-Response to PR24 Forum Strategic Steers

Download
764.7kB, PDF

WSH40-Storm Overflows strategy

Download
477.1kB, PDF

WSH41-Oxera An assessment of real price effects in AMP8

Download
1MB, PDF

WSH42-Frontier Shift at PR24 report by EI

Download
2MB, PDF

WSH43-Oxera Econometric modelling of sewer flooding performance

Download
704.2kB, PDF

Asset Planning Documents

WSH50-IP00 - Our Approach to Investment Planning

Download
2.7MB, PDF

WSH51-CW00 - Safe and High-Quality Tap Water

Download
1.8MB, PDF

WSH52-CW04 - Working towards a Lead-Free Wales

Download
1.1MB, PDF

WSH53-CW01 - Improving Raw Water Quality in Drinking Water Catchments through Green Solutions

Download
4.6MB, PDF

WSH54-CW02 - Improving Acceptability of Tap Water - Networks

Download
1.1MB, PDF

WSH55-CW03 - Improving Quality of Tap Water - Treatment Works

Download
2.3MB, PDF

WSH56-RS00 - A Reliable Water Supply for the Short and Long Term

Download
1.5MB, PDF

WSH57-CS01 - Increasing Physical and Cyber Security

Download
580.1kB, PDF

WSH58-RS02 - Reducing Drought Risks and Improving Customer Visibility of Usage for PCC Management

Download
1.9MB, PDF

WSH59-RS03 - Increasing Safety of Impounding Reservoirs

Download
746.4kB, PDF

WSH60-RS04 - Increasing Resilience of Tap Water Supply - Network Capacity and Connectivity

Download
691.2kB, PDF

WSH61-RS05 - Increasing Resilience of Tap Water Supply - Treatment Works

Download
751.5kB, PDF

WSH62-RS01 - Increasing Resilience of Tap Water Supply - Asbestos Cement Mains

Download
1.8MB, PDF

WSH63-PE00 - Protecting and Improving the Environment

Download
321.7kB, PDF

WSH64-PE02 - Protecting Multiple Adjoining SSSIs near the SECS Main

Download
782.3kB, PDF

WSH65-PE09 - Increasing Storage and Treatment Capacity and Disposal Options for Biosolids to Deliver Legal Drivers

Download
725.9kB, PDF

WSH66-PE11 - Improving our Frontier Performance on Net Zero Carbon

Download
674.3kB, PDF

WSH67-PE04 - Addressing Disproportionate Risk to Customers from Sewer Flooding

Download
939.2kB, PDF

WSH68-PE05 - Removing Phosphorus and Sanitary Determinands to Improve River Water Quality

Download
872.7kB, PDF

WSH69-PE06 - Increasing Wastewater Treatment Capacity and Stormwater Storage for Peak Flows

Download
796.2kB, PDF

WSH70-PE01 - Minimising Environmental Harm from Storm Overflows

Download
1.8MB, PDF

WSH71-PE10 - Enhancing the Environment through WINEP and NEP Investigations and Programmes

Download
748.6kB, PDF

WSH72-PE07 - Avoiding a High-Consequence Event at Laugharne Wastewater Treatment Works

Download
686.5kB, PDF

WSH73-PE08 - Reducing Levels of Odour in the Environment

Download
672.9kB, PDF

WSH74-PE03 - Reducing Risks of Serious Pollution Incidents

Download
504.7kB, PDF

Models

WSH102 PR24 Financial Model v21a

Download
9.6MB, XLSX

WSH103 PR24 Bill Waterfall Model v3

Download
211.2kB, XLSX

WSH104 Financial model WSH FD Capital allowance update

Download
5.5MB, XLSB

WSH105 Developer services reconciliation model Dec 2020 v2

Download
85.9kB, XLSX

WSH106 Residential Retail Reconciliation Model Dec 2020 v2

Download
104.5kB, XLSX

WSH107 Business Retail Compliance with Controls

Download
296.8kB, XLSX

WSH108 WSH NEP WINEP Reconciliation Model Dec 2020 v1n Edited 20230723

Download
233.6kB, XLSM

WSH109 Cost sharing total costs Reconcilation v4e IN 2303 Early Submission July 23 WSH

Download
343.7kB, XLSM

WSH110 RPI CPIH wedge true up model Dec 2020 v5

Download
1.1MB, XLSX

WSH111 Cost of new debt indexation model Dec 2020 v6 3

Download
581.7kB, XLSM

WSH112 Tax reconciliation

Download
5.5MB, XLSB

WSH113 ODI performance model

Download
141.4kB, XLSB

WSH11325202425 For Business Plan use PR19IPD01 ODI performance model v1 11

Download
2.4MB, XLSX

WSH114 PR19IPD04 in period adjustments model v1 4b 20230629

Download
345.6kB, XLSX

WSH115 RFI model Apr 2023 v1 a

Download
207.3kB, XLSB

WSH116 Bioresources Revenue Reconciliation Model Dec 2020 v2 IN2303 Early Submission July 23 WSH

Download
102.5kB, XLSX

WSH117 PR24 RCV adjustments feeder model v2

Download
232.4kB, XLSX

WSH118 PR24 Revenue adjustments feeder model v2

Download
1.3MB, XLSX

WSH119 Land sales model Dec 2020 v3

Download
130.7kB, XLSX

WSH120 RORE model

Download
113.4kB, XLSX

WSH121 LTDS bill impacts

Download
655.5kB, XLSX

WSH123 EI ODI rates model

Download
6.8MB, XLSX

WSH124 WINEP Reconciliation Model Dec 2020 v1n

Download
223.6kB, XLSM

WSH125 Gearing Outperformance Sharing Mechanism Mar 2023 v5

Download
706.3kB, XLSM

Tables

WSH101 Business Plan Tables

Download
7.8MB, XLSB

WSH201 Additional BP Tables

Download
485.4kB, XLSX

WSH301 Supplementary cohort tables CW20

Download
1.1MB, XLSX

WSH302 Supplementary cohort tables CWW21

Download
114kB, XLSX

WSH401 Appendix 3 IN2305 Further guidance on price control deliverables for PR24

Download
77.3kB, XLSX

WSH402 IN2305 Appendix 3 Commentary

Download
109.6kB, PDF

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.

Customer Research

Below are the summary reports for the key customer research projects conducted as part of the PR24 process.

Customer Research Download

Phase 1 Research

Download
2.1MB, PDF

PR24 Phase 2 Research

Download
7.4MB, PPTX

WRMP24 - Metering and Efficiency

Download
3.2MB, PDF

WRMP24- Main Report

Download
2.1MB, PDF

PR24 Longitudinal Customer Engagement Wave 1 Feb 2022

Download
2.4MB, PDF

PR24 Longitudinal Customer Engagement Wave 2 June 2022

Download
662.1kB, PPTX

PR24 Longitudinal Customer Engagement Wave 3 Nov 2022

Download
4.3MB, PDF

A1_DWMPPhase1_research_results

Download
5.7MB, PPTX

A2_DWMP_Phase2_Qual_research_results

Download
2.8MB, PDF

A3_DWMP_Phase2_QualandQuantIntegrated_research_results

Download
3.1MB, PPTX

A4_WRMP_research_results

Download
2.1MB, PDF

A5_WRMP_MeteringandEfficiency_research_results

Download
3.2MB, PDF

A6_WRMP_Estimated WTP_research_results

Download
574kB, PDF

A7_LongitudinalPanelWave1_research_results

Download
2.4MB, PDF

A8_LongitudinalPanelWave2_research_results

Download
662.1kB, PPTX

A9_LongitudinalPanelWave3_research_results

Download
4.3MB, PDF

A10_LongitudinalPanelWave4_research_results

Download
5.7MB, PDF

A11_LongitudinalPanelWave5_research_results

Download
221.4kB, PDF

A12_ P1CustomerAttitudesResearch_results

Download
2MB, PDF

A15_ P2LongTermOutcomes_QualandQuantResearch_results

Download
2MB, PDF

A16_ P2LongTermOutcomes_QualResearch_results

Download
3.1MB, PDF

A22_ P3AffordabilityandAcceptability_QuantResearch_results

Download
10.9MB, DOCX

A23_ P3AffordabilityandAcceptability_QualResearch_results

Download
10.1MB, PDF

Early Submissions

Below are copies of information submitted to Ofwat ahead of the main Business Plan submission deadline, in accordance with requests from Ofwat.

Network Reinforcement August 2022

Network Reinforcement Data Request Supporting Document

Download
261kB, PDF

2022-05-17-Network-reinforcement-data-request

Download
130.4kB, XLSX

Enhancement and Water Balance August 2022

Enhancement and Water Balance Submission Supporting Information

Download
761.7kB, PDF

Enhancement-and-water-balance-data-request

Download
239.3kB, XLSX

Leakage Submission August 2022

Leakage Submission Supporting Information

Download
613.5kB, PDF

Leakage-data-request

Download
698.7kB, XLSX

Developer Services information request August 2022

Developer Services Information Request Supporting Document 2021-22

Download
258.9kB, PDF

Developer-services-information-request-2021-22-data-template

Download
384.6kB, XLSX

Growth Expenditure August 2022

Growth Expenditure Data Request Supporting Document

Download
319kB, PDF

Growth-expenditure-data-request

Download
127.7kB, XLSX

Operational Resilience

Operational Resilience Submission WSH

Download
436.3kB, PDF

Operational Resilience Information Request Pro forma Final WSH submission

Download
85.4kB, XLSX

Base and Residential Retail

Base and Residential Retail April 2022 data request WSH

Download
224.7kB, XLSX

Base and Residential Retail Submission Supporting Information WSH

Download
395.1kB, PDF

Bio Resources Additional Information July 2022

Bioresources Additional Information July 2022 Supporting Document WSH

Download
641.1kB, PDF

220309 Reallocation of costs information request updated 220531 WSH Original Energy Splits

Download
152.8kB, XLSX

220309 Reallocation of costs information request updated 220531 WSH Revised Energy Splits

Download
154.3kB, XLSX