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HD Cymru
2020-2025 submission documents
Regulatory Library
2020-2025 plan submission documents
All supporting documentation has been uploaded here in September 2018
Full customer plan document
Appendix 1: Customer compendium
Appendix 2: Rationale for PC targets and ODIs
Appendix 3: PC definitions
Appendix 4: Enhancement claims combined
Appendix 5: Efficient costs
Appendix 7: Securing long term Resilience
Appendix 8: Governance and Assurance report
Appendix 9: DWI submission: Long term risk management
Appendix 10: Technical Note: Discolouration review
Appendix 11: IAP pro forma
Appendix 12: Ofwat board pro forma
Bill waterfall model
Customer Challenge Group report
Data tables
Ofwat financial model - notional company
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