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Wholesaler/Retailer Risk Allocation Model

Buyer: Water Services Regulation Authority (Ofwat) →

BuyerWater Services Regulation Authority (Ofwat)
Statuscomplete
DeadlineNot published
ValueValue not published
Published3 Sept 2026

What is being bought

The source has not published a summary for this record.

Comparable-procurement analytics

No usable CPV category has been published, so a comparable market set cannot yet be built.

Procurement strategy & market signals

Framework agreementNot published
Dynamic purchasing systemNot published
Competitive procurementNot published
Recurring requirementNot published
Procurement method rationaleNot published
Rationale classificationsNot published
Special regimeNot published
Covered byNot published
Submission policyNot published
Selection criteriaNot published
Risk detailsNot published

Planning & early market engagement

BudgetNot published
No-engagement rationaleNot published
Planning documents0
Planning milestones0

No planning milestones published.

Related procurements

No linked framework, prior procurement or reprocurement published.

Contracts

1

Value£35,000

Documents & submission route

No documents are published in the current source record.

Source data inventory

Diagnostic view. “Not published” means this current release does not provide a value.

OCIDocds-h6vhtk-065444
Latest release ID083674-2026
Latest release timestampThu Sep 03 2026 17:08:41 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLNot published
Tender statusNot published
Procurement methodNot published
Procurement method detailsNot published
Main procurement categoryNot published
Above thresholdNot published
Legal basis2023/54
Tender period: startNot published
Tender period: endNot published
Expression of interest deadlineNot published
Enquiry deadlineNot published
Award period: startNot published
Award period: endNot published
Submission method detailsNot published
Submission languagesNot published
Electronic catalogue policyNot published
Total tender valueNot published
Tender lots in source0
Tender items in source0
Tender documents in source0
Awards in latest release0
Contracts in latest release1
Parties in latest release1

Notice history

DateEventReference
3 Sept 2026contractAmendment083674-2026
22 Apr 2026contractAmendment036762-2026
13 Feb 2026award, contract013577-2026

All source data

Unmodified official OCDS data retained by Tenderline for this procurement process.

Complete current OCDS release JSON
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  "id": "083674-2026",
  "tag": [
    "contractAmendment"
  ],
  "date": "2026-09-03T18:08:41+01:00",
  "ocid": "ocds-h6vhtk-065444",
  "buyer": {
    "id": "GB-PPON-PPCX-7855-VXBT",
    "name": "The Water Services Regulation Authority"
  },
  "tender": {
    "id": "PROC.0195",
    "title": "Wholesaler/Retailer Risk Allocation Model",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    }
  },
  "buyerID": [],
  "parties": [
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        "postalCode": "B5 4UA",
        "countryName": "United Kingdom",
        "streetAddress": "Ofwat, Centre City Tower, 7 Hill Street"
      },
      "details": {
        "url": "http://www.ofwat.gov.uk",
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      "awardID": "1",
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      ],
      "hasRenewal": true,
      "statusDetails": null,
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    }
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  "initiationType": "tender"
}
Complete JSON history (3 releases)
3 Sept 2026 · 083674-2026 · contractAmendment
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      },
      "awardID": "1",
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      ],
      "amendments": [
        {
          "id": "083674-2026",
          "date": "2026-08-21T00:00:00+01:00"
        }
      ],
      "hasRenewal": true,
      "statusDetails": null,
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    }
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}
22 Apr 2026 · 036762-2026 · contractAmendment
{
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    "contractAmendment"
  ],
  "date": "2026-04-22T16:00:46+01:00",
  "ocid": "ocds-h6vhtk-065444",
  "buyer": {
    "id": "GB-PPON-PPCX-7855-VXBT",
    "name": "The Water Services Regulation Authority"
  },
  "tender": {
    "id": "PROC.0195",
    "title": "Wholesaler/Retailer Risk Allocation Model",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
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    }
  },
  "buyerID": [],
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      "name": "The Water Services Regulation Authority",
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      "address": {
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        "locality": "Birmingham",
        "postalCode": "B5 4UA",
        "countryName": "United Kingdom",
        "streetAddress": "Ofwat, Centre City Tower, 7 Hill Street"
      },
      "details": {
        "url": "http://www.ofwat.gov.uk",
        "classifications": [
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      },
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  ],
  "language": "en",
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      "value": {
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      },
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        "startDate": "2026-04-01T00:00:00+01:00",
        "maxExtentDate": "2026-08-22T23:59:59+01:00"
      },
      "awardID": "1",
      "documents": [
        {
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          "format": "text/html",
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          "description": "Contract change notice on Find a Tender",
          "documentType": "contractNotice",
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      "amendments": [
        {
          "id": "036762-2026",
          "date": "2026-03-30T00:00:00+01:00"
        }
      ],
      "hasRenewal": true,
      "statusDetails": null,
      "aboveThreshold": false
    }
  ],
  "initiationType": "tender"
}
13 Feb 2026 · 013577-2026 · award, contract
{
  "id": "013577-2026",
  "tag": [
    "award",
    "contract"
  ],
  "date": "2026-02-13T16:01:41Z",
  "ocid": "ocds-h6vhtk-065444",
  "buyer": {
    "id": "GB-PPON-PPCX-7855-VXBT",
    "name": "The Water Services Regulation Authority"
  },
  "awards": [
    {
      "id": "1",
      "items": [
        {
          "id": "1",
          "relatedLot": "1",
          "deliveryAddresses": [
            {
              "region": "UKC",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKD",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKE",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKF",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKG",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKH",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKI",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKJ",
              "country": "GB",
              "countryName": "United Kingdom"
            },
            {
              "region": "UKK",
              "country": "GB",
              "countryName": "United Kingdom"
            }
          ],
          "additionalClassifications": [
            {
              "id": "79400000",
              "scheme": "CPV",
              "description": "Business and management consultancy and related services"
            }
          ]
        }
      ],
      "status": "active",
      "suppliers": [
        {
          "id": "GB-COH-11853530",
          "name": "Cubelynx Limited"
        }
      ],
      "relatedLots": [
        "1"
      ],
      "mainProcurementCategory": "services"
    }
  ],
  "tender": {
    "id": "PROC.0195",
    "lots": [
      {
        "id": "1",
        "status": "complete"
      }
    ],
    "title": "Wholesaler/Retailer Risk Allocation Model",
    "status": "complete",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "description": "Undertake modelling work and produce quantitative models of the costs and risks of different credit and collateral arrangements in the business retail market, together with supporting documentation.\nThe Supplier shall provide the following Deliverables to the Customer as part of the Services: \n(1)\tReview the 2016 model of credit support costs to understand principal inputs, outputs and parameters, taking into account any relevant feedback Ofwat may have received regarding that modelling and updates to the modelling documentation. This shall be a Word document.\n(2)\tDevelop and produce an understanding of prepayment and post payment timelines regarding Retailer payments to Wholesalers, as specified under the Wholesaler Retailer Code The Supplier shall provide the following Deliverables to the Customer as part of the Services: \n(1)\tReview the 2016 model of credit support costs to understand principal inputs, outputs and parameters, taking into account any relevant feedback Ofwat may have received regarding that modelling and updates to the modelling documentation. This shall be a Word document.\n(2)\tDevelop and produce an understanding of prepayment and post payment timelines regarding Retailer payments to Wholesalers, as specified under the Wholesaler Retailer Code (WRC) business terms (WRC Schedule 1 Part 2 Business terms §9 Billing and terms of payment - Available at: Market Codes - MOSL).\n(3)\tDevelop and produce a quantitative model of impacts on and costs for a Retailer of providing different levels of collateral, under the payment timetables established in step (2).  Principal costs should include the costs working capital and collateral.  Modelling work should include sensitivities to four credit options. This shall be an Excel model.\n(4)\tDevelop and produce a quantitative model of risk exposure and costs for a Wholesaler under different credit options.  Sensitivities should include Retailer collateral provided as a proportion of a Wholesaler's total exposure, probability of Retailer default, and four credit options. This shall be an Excel model.\n(5)\tWrite guidance documentation to explain and accompany both models, with a view to enabling external stakeholders and interested parties to understand and comment on the models and modelling assumptions. This shall be a Word document.\nModelling work is to be carried in collaboration with Ofwat and relevant interim support. The quantitative models must be of a sufficient standard and robustness to be published on the Ofwat website.",
    "procurementMethod": "direct",
    "procurementMethodDetails": "Below threshold - without competition"
  },
  "parties": [
    {
      "id": "GB-PPON-PPCX-7855-VXBT",
      "name": "The Water Services Regulation Authority",
      "roles": [
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      "address": {
        "region": "UKG31",
        "country": "GB",
        "locality": "Birmingham",
        "postalCode": "B5 4UA",
        "countryName": "United Kingdom",
        "streetAddress": "Ofwat, Centre City Tower, 7 Hill Street"
      },
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        "id": "PPCX-7855-VXBT",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "procurement@ofwat.gov.uk"
      }
    },
    {
      "id": "GB-COH-11853530",
      "name": "Cubelynx Limited",
      "roles": [
        "supplier"
      ],
      "address": {
        "region": "UKI31",
        "country": "GB",
        "locality": "138-142 Holborn, LONDON",
        "postalCode": "EC1N 2SW",
        "countryName": "United Kingdom",
        "streetAddress": "3 Waterhouse Square"
      },
      "details": {
        "url": "https://cubelynx.com/",
        "vcse": false,
        "scale": "sme"
      },
      "identifier": {
        "id": "11853530",
        "scheme": "GB-COH"
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      "contactPoint": {
        "email": "info@cubelynx.com"
      }
    }
  ],
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        "startDate": "2025-11-28T00:00:00Z",
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        "description": "The Customer reserves the right to extend [or modify] the Agreement by contract duration and/or contract cap up to an additional 50% of the original value under the conditions set out in Regulations 74(1)(c) and 74(4)(b) (meaning of 'below-threshold modification') of the Procurement Act 2023.\nEstimated extension end date provided but may not be taken up."
      },
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          "description": "Contract details notice on Find a Tender",
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          "datePublished": "2026-02-13T16:01:41Z"
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      "dateSigned": "2025-11-19T00:00:00Z",
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}