Documents submitted alongside our 2025-2030 business plan

These documents were submitted to Ofwat to support, and as evidence behind, our business plan for 2025-2030.

Our main documents

SSC03 Fens Reservoir – our approach into AMP8. Our supporting information behind our plan to build a reservoir in the Fens in Cambridge with Anglian Water.
SSC04 data tables. All of our data tables submitted to Ofwat to support the decisions made in our business plan for 2025-2030.
SSC04a PR24 data tables commentary – Outcomes. A commentary on data in the ‘Outcomes’ section of our data tables.
SSC04b PR24 data tables commentary – Risk and return. A commentary on data in the ‘Risk and Return’ section of our data tables.
SSC04c PR24 data tables commentary – costs (wholesale) water. A commentary on data in the ‘Costs (wholesale) water’ section of our data tables.
SSC04d PR24 data tables commentary – Water resources. A commentary on data in the ‘Water resources’ section of our data tables.
SSC04e PR24 data tables commentary – Retail. A commentary on data in the ‘Retail’ section of our data tables.
SSC04f PR24 data tables commentary – Developer services. A commentary on data in the ‘Developer Services’ section of our data tables.
SSC04g PR24 data tables commentary – Long-term strategies. A commentary on data in the ‘Long-term strategies’ section of our data tables.
SSC04h PR24 data tables commentary – Supplementary tables. A commentary on data in the ‘Supplementary tables’ section of our data tables.
SSC04i PR24 data tables commentary – Summary tables. A commentary on data in the ‘Summary tables’ section of our data tables.
SSC04j PR24 data tables commentary – Past delivery. A commentary on data in the ‘Past delivery’ section of our data tables.
SSC05 Integrated resilience framework. Our financial, corporate and operational resilience action plans.
SSC06 Bidding framework. This bid assessment framework sets out guidance for third parties wishing to engage with South Staffs Water (incorporating Cambridge Water) about; providing a solution to a potential water deficit; making us aware of an innovation that will drive efficiency in the processes around producing and distributing water; making us aware of an innovation that will drive efficiency in water usage; and using our network to transport water.

Customer engagement

SSC07 Customer engagement strategy and key insights. Our strategy for customer engagement and key insights taken from this engagement.
SSC08 PR24 Technical triangulation – Phase 1 Methodology.
SSC09 PR24 Technical triangulation – Phase 2 Results.
SSC10 PR24 Technical triangulation – Application of the Delphi Method.
SSC11 Thematic Analysis report.
SSC12 PR24 Stakeholder and Customer Segment Analysis. An analysis of our customer and stakeholder segments seen throughout our PR24 testing.
SSC13 Demographics report.
SSC14 SIA assurance report. Assurance of our customer engagement conducted by an independent company – SIA partners.
SSC15 Your Water Your Say: You Said We Did. How feedback on our business plan gained in our ‘Your water, your say’ session has been incorporated into our final business plan.

Vulnerable customers

SSC16 Vulnerability strategy – Help when you need it. Our strategy for supporting vulnerable customers.
SSC17 South Staffs Water: Estimates of Water Poverty. Research conducted into our regions by CEPA to determine the levels of water poverty we need to tackle.

Cost and outcomes

SSC18 – Our approach to PCC targets and the impact of the Covid-19 pandemic. Our approach to our per-capita consumption targets, and the impact Covid-19 has had on per-capita consumption in our regions.
SSC18a – Skewb Covid-19 impact report, September 2023. Report on the impact of Covid-19 on per-capita consumption conducted by external company, Skewb.
SSC18b – Artesia impact of Covid-19 on consumption, May 2021. Report on the impact of Covid-19 on per-capita consumption conducted by external company, Artesia.
SSC18c – Frontier Economics Impact of Covid-19 on the water sector, December 2020. Report on the impact of Covid-19 on the water sector conducted by external company, Frontier Economics.
SSC19 – Base cost assessment factors including real price effects and topography claim update
SSC19a – KPMG treatment of energy costs in base models, May 2023
SSC19b – KPMG real price effects at PR24, June 2023
SSC19c – First Economics Input price inflation, February 2023
SSC19d – SSC topography cost adjustment claim, June 2023
SSC19f – WRC APH and boosters per length report, September 2023
SSC19g - Table CW2 post RPE frontier shift efficiency September 2023
SSC19h - Additional data request energy costs SSC September 2023
SSC20 – Outcome delivery incentives risk range
SSC20a – Oxera review of PR19 performance commitments with proposed PR24 ODI rates, September 2023
SSC21 - Jacobs scope of assurance and report

Risk and return

SSC26 - Initial commentary on the balance sheet cost of debt model and implications for the cost of embedded debt
SSC28 - PR24 company-specific adjustment to allowed cost of debt
SSC29 - Estimating the cost of equity for PR24
SSC30 - Chandler KBS tax assurance and methodology report

Long-term planning

SSC31 Independent Challenge for South Staffs and Cambridge Water. A report from the chair of our Independent Challenge Group who have challenged our business plan, customer engagement and long-term delivery strategy
SSC32 Long-Term Delivery Strategy. Climate change impacts on raw water quality technical report. Report on the impact of climate change on raw water quality in the long term (to 2050).
SSC33 Impact – LTDS triangulation report
SSC34 South Staffs water revised draft WRMP24. Our draft water resources management plan for the South Staffs region
SSC35 Cambridge Water revised draft WRMP24. Our draft water resources management plan for the Cambridge region

Asset management

SSC36 Evidencing our enhancement expenditure in 2025-2030. All of our enhancement cases and evidence behind enhancement expenditure
SSC37 Our Asset Management approach to best-value investment planning through 2025-2030 and beyond

Assurance

SSC38 Signposting document for quality and ambition assessment. A completed assessment of the quality and ambition of our business plan when compared against Ofwat’s expectations.
SSC39 WINEP Options Assessment

Additional spreadsheets

Our strategies and plans

Documents submitted alongside our 2025-2030 business plan