PR19 Reports
Llythyrau i Ofwat
Llythyr PW i Ofwat 31ain Ionawr 2020
Lawrlwytho
553.4kB, PDF
Summaries
Board Assurance statement WSH
Lawrlwytho
300.1kB, PDF
Briefing for Ofwat Non-Executive Directors and senior leadership WSH
Lawrlwytho
1MB, PDF
Business Plan Executive summary WSH
Lawrlwytho
640.5kB, PDF
Business Plan WSH
Lawrlwytho
6.1MB, PDF
IAP-pro-forma WSH
Lawrlwytho
35.5kB, XLSX
PR19 Stakeholder engagement WSH
Lawrlwytho
477.5kB, PDF
Submission documents map
Lawrlwytho
216.1kB, PDF
Approach to PR19
Welsh Water 2050 WSH
Lawrlwytho
18.9MB, PDF
PR19 Customer Engagement Acceptability testing
Lawrlwytho
6.7MB, PDF
PR19 Customer Engagement Bills research
Lawrlwytho
4.4MB, PDF
PR19 Customer Engagement Business Plan Options Testing
Lawrlwytho
3MB, PDF
PR19 Customer Engagement ODIs research WSH
Lawrlwytho
3.2MB, PDF
PR19 Customer Engagement Performance targets qualitative research
Lawrlwytho
4.3MB, PDF
PR19 Customer Engagement Performance Targets quantitative research
Lawrlwytho
1.4MB, PDF
PR19 Customer Engagement Phase 1 triangulation of priorities
Lawrlwytho
1.1MB, PDF
PR19 Customer Engagement Welsh Water 2050 qualitative Research
Lawrlwytho
3.6MB, PDF
PR19 Customer Engagement Welsh Water 2050 Quantitative research Have your Say consultation
Lawrlwytho
4MB, PDF
PR19 Customer Engagement WTP
Lawrlwytho
2.4MB, PDF
PR19 Customer Engagement report
Lawrlwytho
3.1MB, PDF
PR19 Supporting government policy and long-term agendas
Lawrlwytho
767.6kB, PDF
Business Plans
Bioresources Business Plan WSH
Lawrlwytho
5.2MB, PDF
Evaluating a predicted IMD approach to debt cost assessment-Final WSH
Lawrlwytho
958.2kB, PDF
Household Retail Business Plan WSH
Lawrlwytho
1.4MB, PDF
Non-Household Retail Business Plan
Lawrlwytho
1.3MB, PDF
PR19 Developer Services Business Plan
Lawrlwytho
1.2MB, PDF
Wastewater Network Plus Business Plan PR19 WSH
Lawrlwytho
4.8MB, PDF
Water Network Plus Business Plan WSH
Lawrlwytho
5MB, PDF
Water Resources Business Plan WSH
Lawrlwytho
3.8MB, PDF
Welsh Water Household Income Q1 2017 WSH
Lawrlwytho
626.7kB, PDF
Strategies
Affordability strategy WSH
Lawrlwytho
964.4kB, PDF
Innovation Strategy WSH
Lawrlwytho
1.3MB, PDF
Leakage Strategy WSH
Lawrlwytho
1.6MB, PDF
Public access and Recreation WSH
Lawrlwytho
670.4kB, PDF
Supporting Our Customers WSH
Lawrlwytho
1.6MB, PDF
Resilience
Corporate Resilience WSH
Lawrlwytho
1.4MB, PDF
Financial Resilience WSH
Lawrlwytho
1.1MB, PDF
Operational resilience WSH
Lawrlwytho
2MB, PDF
Resilience in the Round Overview WSH
Lawrlwytho
2MB, PDF
Resilience in the Round Review WSH
Lawrlwytho
5.4MB, PDF
Supporting Details
51 PR19 Investment Planning WSH
Lawrlwytho
2.2MB, PDF
52 PR19 Performance commitments WSH
Lawrlwytho
3.2MB, PDF
521 Summary of Customer Research by Measure of Success WSH
Lawrlwytho
350.1kB, PDF
522 Economic Insight Cost Benefit Report WSH
Lawrlwytho
2MB, PDF
53 PR19 Performance Commitment definitions WSH
Lawrlwytho
1.2MB, PDF
54 PR19 Past Performance report WSH
Lawrlwytho
1.6MB, PDF
55 PR19 Outcome Delivery Incentives WSH
Lawrlwytho
835.6kB, PDF
551 PR19 Outcome Delivery Incentives ODI Payment Incentive Rates WSH
Lawrlwytho
594.7kB, PDF
57 PR 19 Direct Procurement report WSH
Lawrlwytho
885.2kB, PDF
571 PR19 Direct Procurement for Customers report WSH
Lawrlwytho
1.6MB, PDF
58 PR19 Investment Cases WSH
Lawrlwytho
345.4kB, PDF
58A PR19 IC Water Resources WSH
Lawrlwytho
1.3MB, PDF
58B PR19 IC Reservoir Safety WSH
Lawrlwytho
1.3MB, PDF
58B2 Schedule of works anticipated for AMP7 WSH
Lawrlwytho
432.3kB, PDF
58B3 Dam Safety Reservoirs Cost Modelling WSH
Lawrlwytho
482.7kB, PDF
58B4 Definition for asset resilience performance commitment WSH
Lawrlwytho
200.9kB, PDF
58B5 Costadjustmentsummaryform WSH
Lawrlwytho
189.1kB, PDF
58C Raw Water Distribution WSH
Lawrlwytho
969.7kB, PDF
58D PR19 IC Water Treatment Maintenance WSH
Lawrlwytho
1.3MB, PDF
58E PR19 IC Cwm Taf Water Supply Strategy WSH
Lawrlwytho
1.3MB, PDF
58E1 Cwm Taf Strategy Review WSH
Lawrlwytho
1.4MB, PDF
58E2 Multiple stream example WSH
Lawrlwytho
363.3kB, PDF
58E3 New Cwm Taf Works Capacity Assessment WSH
Lawrlwytho
280.9kB, PDF
58E4 DWI Notices WSH
Lawrlwytho
938.3kB, PDF
58E5 Cwm Taf Cost adjustment WSH
Lawrlwytho
192.6kB, PDF
58F PR19 IC Water Quality WSH
Lawrlwytho
1.5MB, PDF
58G PR19 IC Water Network Maintenance WSH
Lawrlwytho
1.8MB, PDF
58H PR19 IC Customer Minutes Lost Service Improvement WSH
Lawrlwytho
1.7MB, PDF
58H1 Zonal Studies Methodology WSH
Lawrlwytho
3.4MB, PDF
58H2 South Wales Water Supply Strategy WSH
Lawrlwytho
761.7kB, PDF
58I PR19 IC Acceptability of Water Service Improvement WSH
Lawrlwytho
1.4MB, PDF
58I1 Zonal Studies Process WSH
Lawrlwytho
3.5MB, PDF
58I2 Zonal Studies Cost Benefit Process WSH
Lawrlwytho
917.3kB, PDF
58I3 DWI Notices WSH
Lawrlwytho
6.8MB, PDF
58I4 Acceptability of Drinking Water Costadjustment summary form WSH
Lawrlwytho
191.8kB, PDF
58J PR19 IC Leakage Improvement WSH
Lawrlwytho
1.6MB, PDF
58K PR19 IC Water Network plus Growth WSH
Lawrlwytho
1.1MB, PDF
58L PR19 IC First Time Sewerage WSH
Lawrlwytho
601.9kB, PDF
58L PR19 IC First Time Sewerage WSH (1)
Lawrlwytho
601.9kB, PDF
58M Wastewater Network Maintenance WSH
Lawrlwytho
2MB, PDF
58N Wastewater Network Enhancement WSH
Lawrlwytho
1.7MB, PDF
58O PR19 IC Llanelli Gowerton WSH
Lawrlwytho
497kB, PDF
58O1 NRW Letter Amended NEP WSH
Lawrlwytho
671.8kB, PDF
58P PR19 IC Wastewater NEP WSH
Lawrlwytho
1.7MB, PDF
58P1 Gwili Gwendraeth Investment Case WSH
Lawrlwytho
1.3MB, PDF
58Q PR19 IC Wastewater Network plus Growth WSH
Lawrlwytho
1.4MB, PDF
58R Wastewater Treatment WSH
Lawrlwytho
1.9MB, PDF
58S Bioresources Assets Maintenance WSH
Lawrlwytho
1.6MB, PDF
58T PR19 IC Energy WSH
Lawrlwytho
734.1kB, PDF
58U Cross Service Maintenance WSH
Lawrlwytho
936.5kB, PDF
Other
Dividend policy and performance related pay WSH
Lawrlwytho
510.7kB, PDF
Jacobs DCWW PR19 assurance letter WSH
Lawrlwytho
460.5kB, PDF
PR19 Assurance and Governance WSH
Lawrlwytho
688.8kB, PDF
Risks and Uncertainties WSH
Lawrlwytho
571kB, PDF
Water Resilient Communities - Rhondda Fach Interim Report WSH
Lawrlwytho
1.3MB, PDF
Board Assurance Detail
Consideration of Welsh Government SPS WSH
Lawrlwytho
477.6kB, PDF
PR19 Board Agendas and Challenges
Lawrlwytho
443.8kB, PDF
Social Impact Report 2018 WSH
Lawrlwytho
897.2kB, PDF
Models and Data
40 PR19 Briefing for Ofwat NonExecutive Directors and senior leadership WSH
Lawrlwytho
1MB, PDF
41 PR19 Briefing for Ofwat NonExecutive Directors and senior leadership Cover Note
Lawrlwytho
409.2kB, PDF
45 CCG Report Executive Summary Word Document
Lawrlwytho
523.1kB, DOCX
45 CCG Report Executive Summary Word Document (1)
Lawrlwytho
523.1kB, DOCX
Bill-Waterfall-Model-updated-30-July WSH
Lawrlwytho
327.7kB, XLSM
Changes to PR19 data tables at 28 September 2018 WSH
Lawrlwytho
25.3kB, DOCX
Company-Business-Plan-Presentation-pro-forma-guidance-tables WSH
Lawrlwytho
133.1kB, XLSX
IAP-pro-forma WSH v1
Lawrlwytho
34.2kB, XLSX
PR19 Bill Waterfall Cover Note WSH
Lawrlwytho
316.9kB, PDF
PR19-Business-plan-data-tables-June-2018-WSH
Lawrlwytho
5.8MB, XLSB
PR19BusinessplandatatablesJune2018WSH updated 11 Oct 18
Lawrlwytho
5.9MB, XLSB
PR19-RCV-adjustments-feeder-model-June-2018-update WSH
Lawrlwytho
302.4kB, XLSM
PR19-Revenue-adjustments-feeder-model-June-2018-update WSH
Lawrlwytho
190.4kB, XLSM
Welsh Water Retail Tables Commentaries
Lawrlwytho
484.9kB, PDF
Welsh Water Wastewater Services Table Commentaries WWS WWN Bio
Lawrlwytho
1.6MB, PDF
Welsh Water Water Services Table Commentaries WS WN WR
Lawrlwytho
1.6MB, PDF
IAP: Response
Action Plan tracker
Lawrlwytho
57.7kB, XLSX
Board Assurance Statement
Lawrlwytho
450.5kB, PDF
Guide to our submission
Lawrlwytho
481.7kB, PDF
IAP summary of response covering letter
Lawrlwytho
479.9kB, PDF
IAP: Data Tables
Data tables changes April 2019 WSH
Lawrlwytho
482.3kB, PDF
Financial Model
Lawrlwytho
11.4MB, XLSB
PR19-Business-plan-data-tables-Jan2019 WSH
Lawrlwytho
9.1MB, XLSB
Welsh Water Appointed Table Commentaries April 2019
Lawrlwytho
3.2MB, PDF
Welsh Water Retail Tables Commentaries April 2019
Lawrlwytho
9.1MB, XLSB
Welsh Water Retail Tables Commentaries April 2019
Lawrlwytho
832kB, PDF
Welsh Water Wastewater Services Table Commentaries WWS WWN Bio April 2019
Lawrlwytho
2.7MB, PDF
Welsh Water Water Services Table Commentaries WS WN WR April 2019
Lawrlwytho
2.7MB, PDF
IAP: Supporting Documents
B210WSHCEA1 Cost Adjustment Claim Welsh Language Service costs WSH
Lawrlwytho
3.2MB, PDF
B211WSHCEA1 Water Resilience IAP Response
Lawrlwytho
1.4MB, PDF
B212WSHCEA1 Cwm Taf water supply strategy IAP response
Lawrlwytho
6.9MB, PDF
B214WSHCEA1 Lead Pipes IAP Response
Lawrlwytho
838.4kB, PDF
B215WSHCEA1 Cost Adjustment Claim AOW
Lawrlwytho
2.8MB, PDF
B216WSHCEA1 Network Quality New legal obligations IAP response
Lawrlwytho
4.3MB, PDF
B217WSHCEA1 Leakage IAP response
Lawrlwytho
1MB, PDF
B218WSHCEA1 Project Cartref Investment Case WSH
Lawrlwytho
668.2kB, PDF
B219WSHCEA1 Enhancement to Supply Demand Balance IAP response WRMP
Lawrlwytho
787.6kB, PDF
B21WSHOC Performance Commitments IAP Response
Lawrlwytho
730.3kB, PDF
B220WSHCEA1 Improving Drought Resilience
Lawrlwytho
8.3MB, PDF
B221WSHCEA1 Wastewater Resilience Investment Case
Lawrlwytho
1.3MB, PDF
B222WSHCEA1 Wastewater Growth IAP Response
Lawrlwytho
2.8MB, PDF
B223WSHCEA1 Storage schemes to reduce spill frequency IAP response
Lawrlwytho
1.1MB, PDF
B224WSHCEA1 Sanitary Parameters IAP Response
Lawrlwytho
774.3kB, PDF
B22WSHOC Performance Commitments and Deadbands
Lawrlwytho
3.2MB, PDF
B23WSHOC Performance Commitment definitions IAP Response
Lawrlwytho
1.2MB, PDF
B24WSHOC Outcome Delivery Incentives IAP Response
Lawrlwytho
2.6MB, PDF
B25WSHOC Information on Supplementary Customer Engagement
Lawrlwytho
580.5kB, PDF
B26WSHOC DMEX IAP Response
Lawrlwytho
844.5kB, PDF
B27WSHLR Resilience measures and systems approach
Lawrlwytho
1.5MB, PDF
B28WSHCEA1 Cost Assessment Methodology
Lawrlwytho
664.1kB, PDF
B2WSHCEA3 WINEP NEP Uncertainty Mechanism
Lawrlwytho
717.4kB, PDF
B2WSHCMIA1 Bioresources Plan
Lawrlwytho
600.5kB, PDF
B2WSHCMIA2 Bioresources Revenue
Lawrlwytho
510.9kB, PDF
B2WSHCMIA4 Bid Assessment Framework
Lawrlwytho
1.5MB, PDF
B2WSHCMIA5 DPC Suitability Assessment Merthyr
Lawrlwytho
1.4MB, PDF
B2WSHCMIA6 DPC Suitability Assessment Gwili Gwendraeth
Lawrlwytho
733kB, PDF
B2WSHCMIB1 Collaborative Research
Lawrlwytho
471.2kB, PDF
B2WSHLRA3 Asset Health
Lawrlwytho
1.4MB, PDF
B2WSHOCA2 Annual Performance Reporting
Lawrlwytho
405.9kB, PDF
B2WSHOCA21 Risk of Severe Restrictions in a Drought
Lawrlwytho
496kB, PDF
B2WSHOCA22 Risk of Sewer flooding in a severe storm
Lawrlwytho
730.9kB, PDF
B2WSHOCA24 Unplanned Outages
Lawrlwytho
775.8kB, PDF
B2WSHOCA36 Customer Trust
Lawrlwytho
463.3kB, PDF
B2WSHOCA4 ODI Rates
Lawrlwytho
516.8kB, PDF
B2WSHOCA8 Customer Protection
Lawrlwytho
367kB, PDF
B2WSHPDA1 Land Sales
Lawrlwytho
294.3kB, PDF
B2WSHPDA3 Residential Retail
Lawrlwytho
402.2kB, PDF
B2WSHPDA5 Expenditure on Loughor Estuary
Lawrlwytho
556.2kB, PDF
B2WSHRRA2 Totex Asymmetry
Lawrlwytho
438.9kB, PDF
B2WSHRRA4 Target Credit Rating
Lawrlwytho
469.4kB, PDF
B2WSHRRA6 RCV Runoff Rates Methodology
Lawrlwytho
486.7kB, PDF
B3A1 Welsh Water Appointed Table Commenataries April 2019
Lawrlwytho
3.2MB, PDF
IAP: Response - April 2019 Resubmission
B1 Action Plan Tracker
Lawrlwytho
59.8kB, XLSX
Data Table Changes
Lawrlwytho
178.2kB, PDF
PR19 Business Plan Data Tables
Lawrlwytho
9.1MB, XLSB
PR19 IAP ODIs Quantitative Research
Lawrlwytho
1.6MB, PDF
Supplementary Research Results and Company Response B225WSHOC ODI
Lawrlwytho
579.6kB, PDF
Fast Track Draft Determination Response
Fast Track Draft Determination Response
Lawrlwytho
199.7kB, PDF
Marketplace for ideas publications
Ofwats determination of a cost-performance frontier at PR19
Lawrlwytho
455.5kB, PDF
Draft Determination Representations August 2019
Chairmans Letter
Lawrlwytho
792.1kB, PDF
PR19 DD WSHDDCE10 DPC Cwm Taf Water Supply Strategy
Lawrlwytho
445.3kB, PDF
PR19 DD WSHDDCE11 Residential retail
Lawrlwytho
951.9kB, PDF
PR19 DD WSHDDCE1Wholesale base expenditure
Lawrlwytho
582.2kB, PDF
PR19 DD WSHDDCE2 Loughor
Lawrlwytho
446kB, PDF
PR19 DD WSHDDCE3 Network water quality New Legal obligations
Lawrlwytho
151.3kB, PDF
PR19 DD WSHDDCE7 Customer Access and Recreation for PR19
Lawrlwytho
1.2MB, PDF
PR19 DD WSHDDCE8 Tywyn Aberdyfi SDB
Lawrlwytho
631.4kB, PDF
PR19 DD WSHDDCE9 DWMPs
Lawrlwytho
483.7kB, PDF
PR19 DD WSHDDOC1 Performance Commitments
Lawrlwytho
3MB, PDF
PR19 DD WSHDDOC2ODIs
Lawrlwytho
586.1kB, PDF
PR19 DD WSHDDOO1 CMeX
Lawrlwytho
871.7kB, PDF
PR19 DD WSHDDOO2 DMeX
Lawrlwytho
754.5kB, PDF
PR19 DD WSHDDOO3 Response to proposed approach to regulating developer services
Lawrlwytho
651.3kB, PDF
PR19 DD WSHDDOO5 Miscellaneous Action Responses
Lawrlwytho
1.1MB, PDF
PR19 DD WSHDDRR1 WACC and Financeability
Lawrlwytho
847.8kB, PDF
PR19 DD WSHDDRR2 PAYG and RCV run off rates
Lawrlwytho
757.6kB, PDF
PR19 DD WSHMTH1 Ofwats approach to determining the costservice frontier
Lawrlwytho
204.8kB, PDF
Representation proforma
Lawrlwytho
67.2kB, XLSX
WSHCMIA3IAP response DWMP
Lawrlwytho
1.2MB, PDF
WSHLRA2 Appendix 1 DCWW resilience Systems approach
Lawrlwytho
5.1MB, PDF
WSHLRA2 Appendix 2 service measure framework
Lawrlwytho
18.5kB, XLSX
WSHLRA2IAP response Resilience Action plan
Lawrlwytho
1.3MB, PDF
Draft Determination Response: Data Tables and Commentaries
DD Representations Data Template
Lawrlwytho
95kB, XLSX
PR19 DD WSH Developer services data request commentary
Lawrlwytho
380kB, PDF
PR19-draft-determinations-Developer-services-data-request-new-post-DD-WSH
Lawrlwytho
2.2MB, XLSX
Welsh Water Appointed Table Commentaries
Lawrlwytho
3.3MB, PDF
Welsh Water OC Table Commentaries
Lawrlwytho
1.1MB, PDF
Welsh Water Retail Tables Commentaries
Lawrlwytho
1.1MB, PDF
Welsh Water Wastewater Services Table Commentaries
Lawrlwytho
2.6MB, PDF
Welsh Water Water Services Table Commentaries
Lawrlwytho
2.3MB, PDF
WSH Financial Model DD August Plan
Lawrlwytho
11.4MB, XLSB
WSH PR19 Business Plan Data Tables
Lawrlwytho
8.9MB, XLSB
Draft Determination Response: Data Tables and Commentaries
1 Cost Assessment and Service Performance
Download
455.5kB, PDF
2A Rainfall Report for Welsh Water
Download
19.1MB, PDF
2B WW_Exec_Summary
Download
256kB, PDF
3 Comparative Measurement of Pollution Incidents
Download
1.2MB, PDF
4 Benefit Analysis Education Programme
Download
727.6kB, PDF
5 Welsh Water letter to Ofwat D-Mex
Download
383.4kB, PDF
6 Ft1 calculations
Download
15.6kB, XLSX
7 PwC B2C maturity model billing and collections August 2019
Download
245kB, PDF