Buyer Name: Ofgem
Buyer Address: 10 South Colonnade, London, UKI42, E14 4PU, United Kingdom
Contact Name: Rebecca Green
Contact Email: procurement2@ofgem.gov.uk
Buyer Name: Ofgem
Buyer Address: 10 South Colonnade, London, UKI42, E14 4PU, United Kingdom
Contact Name: Rebecca Green
Contact Email: procurement2@ofgem.gov.uk
Ofgem is seeking to appoint up to three organisations to fulfil the role of Independent Technical Adviser (ITA) as part of a framework agreement. The ITA will be an independent body responsible for providing assurance to Ofgem on the design, procurement, cost and overall delivery of selected load‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes. Further information can be found in the attached ITT document.
External Link: https://www.find-tender.service.gov.uk/Notice/017065-2026
Link Description: Tender notice on Find a Tender
Lot 1 Status: active
Lot 1 Value: GBP 20,833,333
Lot 1 Value (Gross): GBP 25,000,000
Lot 1 Contract Start: 2026-06-30T00:00:00+01:00
Lot 1 Contract End: 2031-06-29T23:59:59+01:00
Lot 1 SME Suitable: Yes
Lot 1 Award Criterion (quality): Technical (70%)
Lot 1 Award Criterion (price): Commercial (30%)
Document Description: Invitation to Tender
Document Description: Not published
Document Description: Tender notice on Find a Tender
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"name": "Ofgem"
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"date": "2026-02-25T16:12:16Z",
"id": "017065-2026",
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"language": "en",
"ocid": "ocds-h6vhtk-0550e3",
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},
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"description": "Ofgem is seeking to appoint up to three organisations to fulfil the role of Independent Technical Adviser (ITA) as part of a framework agreement. The ITA will be an independent body responsible for providing assurance to Ofgem on the design, procurement, cost and overall delivery of selected load\u2011related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision\u2011making and processes.\nFurther information can be found in the attached ITT document.",
"documents": [
{
"description": "Invitation to Tender",
"documentType": "biddingDocuments",
"id": "L-2",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918"
},
{
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"documentType": "conflictOfInterest",
"id": "conflictOfInterest"
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{
"datePublished": "2026-02-25T16:12:16Z",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"format": "text/html",
"id": "017065-2026",
"noticeType": "UK4",
"url": "https://www.find-tender.service.gov.uk/Notice/017065-2026"
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],
"enquiryPeriod": {
"endDate": "2026-03-20T12:00:00+00:00"
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"id": "2024-133",
"items": [
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"additionalClassifications": [
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"id": "71310000",
"scheme": "CPV"
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"id": "71621000",
"scheme": "CPV"
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"id": "1",
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"scheme": "UKPGA",
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"awardCriteria": {
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"number": 70.0,
"weight": "percentageExact"
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"type": "quality"
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"description": "Assessment of price in accordance with the commercial evaluation methodology set out in the tender documentation.",
"name": "Commercial",
"numbers": [
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"number": 30.0,
"weight": "percentageExact"
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"type": "price"
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},
"contractPeriod": {
"endDate": "2031-06-29T23:59:59+01:00",
"startDate": "2026-06-30T00:00:00+01:00"
},
"id": "1",
"selectionCriteria": {
"criteria": [
{
"description": "Participation is open to economic operators that are legally constituted and able to enter into a legally binding contract with Ofgem. Suppliers must not be subject to any mandatory or discretionary exclusion grounds under applicable procurement legislation. Legal standing will be assessed via the Procurement Specific Questionnaire. Suppliers must demonstrate appropriate financial standing and economic capacity to deliver the services. Financial standing will be assessed as part of the Procurement Specific Questionnaire and may include financial and credit checks undertaken by Ofgem. ",
"type": "economic"
},
{
"description": "Suppliers must demonstrate appropriate technical capability and experience to deliver independent technical and cost assurance services for major electricity transmission infrastructure projects. This includes the ability to provide assurance across design, procurement, cost and delivery, and to resource work flexibly across multiple projects where required. Technical capability will be assessed as part of the Procurement Specific Questionnaire and the tender evaluation process.",
"type": "technical"
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"suitability": {
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"value": {
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"amountGross": 25000000,
"currency": "GBP"
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],
"mainProcurementCategory": "services",
"procurementMethod": "open",
"procurementMethodDetails": "Open procedure",
"riskDetails": "Key risks to the successful delivery of the contract include:\n\u2022 Availability and retention of suitably skilled and experienced resources over the contract period;\n\u2022 Conflicts of interest arising from suppliers\u2019 wider market activities and relationships with Transmission Owners or their supply chains;\n\u2022 The variable and evolving nature of the scope of work across RIIO\u20113, including changes in project eligibility, volume and timing;\n\u2022 Dependence on timely provision of information and cooperation from third parties, including Transmission Owners; and\n\u2022 The complexity and scale of electricity transmission projects, which may impact delivery timelines and assurance activities.\nThese risks will be managed through contractual controls, governance arrangements, reporting requirements and performance management mechanisms as set out in the framework and call\u2011off contracts.",
"status": "active",
"submissionMethodDetails": "Via www.mytenders.co.uk",
"submissionTerms": {
"electronicSubmissionPolicy": "allowed",
"languages": [
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]
},
"techniques": {
"frameworkAgreement": {
"description": "The framework will operate on a call\u2011off basis for the duration of the framework term. Call\u2011off contracts will be awarded in accordance with the framework agreement and applicable public procurement legislation.\nPrices will be based on the daily rates submitted by suppliers as part of their tender and evaluated at framework award stage. Call\u2011off contracts will be awarded in accordance with the framework agreement, either by direct award or following a further competition, with pricing determined by the applicable framework rates and the requirements of the individual call\u2011off. ",
"maximumParticipants": 3,
"method": "withAndWithoutReopeningCompetition",
"periodRationale": "Ofgem are looking to operate a Framework Agreement that will have a duration of five years as opposed to four, with the later typical under the Procurement Act 2023. Given the nature of the services required of the ITA means that a longer term is required. This is because aligning closely with the RIIO-3 price control term length (eg RIIO-3 April 2026-March 2031) offers practical benefits to the services being provided by the ITA, primarily, improved clarity to relevant stakeholders regarding what can be expected across the entire price control. ",
"type": "closed"
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"hasFrameworkAgreement": true
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"tenderPeriod": {
"endDate": "2026-04-07T12:00:00+01:00"
},
"title": "2024-133 RIIO-3 Independent Technical Adviser ",
"value": {
"amount": 20833333,
"amountGross": 25000000,
"currency": "GBP"
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}