Lot 1
No lot description published.
Buyer: Ofgem →
View official notice ↗Official source
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.
No lot description published.
No usable CPV category has been published, so a comparable market set cannot yet be built.
No planning milestones published.
No linked framework, prior procurement or reprocurement published.
No documents are published in the current source record.
Diagnostic view. “Not published” means this current release does not provide a value.
| OCID | ocds-h6vhtk-0550e3 |
|---|---|
| Latest release ID | 062857-2026 |
| Latest release timestamp | Fri Jul 03 2026 13:38:45 GMT+0000 (Coordinated Universal Time) |
| Source | find-a-tender |
| Official notice URL | https://www.find-tender.service.gov.uk/Notice/034326-2026 |
| Tender status | complete |
| Procurement method | open |
| Procurement method details | Open procedure |
| Main procurement category | Not published |
| Above threshold | Not published |
| Legal basis | 2023/54 |
| Tender period: start | Not published |
| Tender period: end | Not published |
| Expression of interest deadline | Not published |
| Enquiry deadline | Not published |
| Award period: start | Not published |
| Award period: end | Not published |
| Submission method details | Not published |
| Submission languages | Not published |
| Electronic catalogue policy | Not published |
| Total tender value | Not published |
| Tender lots in source | 1 |
| Tender items in source | 0 |
| Tender documents in source | 0 |
| Awards in latest release | 1 |
| Contracts in latest release | 0 |
| Parties in latest release | 11 |
| Date | Event | Reference |
|---|---|---|
| 3 Jul 2026 | award, contract | 062857-2026 |
| 15 Apr 2026 | tenderUpdate | 034326-2026 |
| 9 Apr 2026 | tenderUpdate | 032595-2026 |
| 27 Mar 2026 | tenderUpdate | 028673-2026 |
| 25 Feb 2026 | tender | 017065-2026 |
| 20 Jun 2025 | planning | 034054-2025 |
Unmodified official OCDS data retained by Tenderline for this procurement process.
{
"id": "062857-2026",
"tag": [
"award",
"contract"
],
"bids": {
"details": [
{
"id": "1",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "2",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited"
}
],
"relatedLots": [
"1"
]
},
{
"id": "3",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "4",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PYYR-3574-TLWP",
"name": "Blake Clough Consulting Limited"
}
],
"relatedLots": [
"1"
]
},
{
"id": "5",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PPLQ-5161-PCVN",
"name": "Grant Thornton UK Advisory and Tax LLP"
}
],
"relatedLots": [
"1"
]
},
{
"id": "6",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PMWQ-2349-LRPL",
"name": "Long O Donnell Associates Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "7",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLJZ-3661-VNCJ",
"name": "Modern Tech Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "8",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PDCT-9245-NWYG",
"name": "Systra Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "9",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PRVD-2182-VXHT",
"name": "Natural Power Consultants Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "14",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PTZX-2735-JXQN",
"name": "Gutteridge, Haskins & Davey"
}
],
"relatedLots": [
"1"
]
}
],
"statistics": [
{
"id": "1",
"value": 10,
"measure": "bids",
"relatedLot": "1"
},
{
"id": "2",
"value": 10,
"measure": "finalStageBids",
"relatedLot": "1"
},
{
"id": "3",
"value": 6,
"measure": "smeFinalStageBids",
"relatedLot": "1"
},
{
"id": "4",
"value": 0,
"measure": "vcseFinalStageBids",
"relatedLot": "1"
}
]
},
"date": "2026-07-03T14:38:45+01:00",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"awards": [
{
"id": "1",
"date": "2026-06-25T00:00:00+01:00",
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "pending",
"documents": [
{
"id": "062857-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/062857-2026",
"format": "text/html",
"noticeType": "UK6",
"description": "Contract award notice on Find a Tender",
"documentType": "awardNotice",
"datePublished": "2026-07-03T14:38:45+01:00"
}
],
"suppliers": [
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited "
},
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited "
},
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited"
}
],
"milestones": [
{
"id": "1",
"type": "futureSignatureDate",
"status": "scheduled",
"dueDate": "2026-07-17T23:59:59+01:00"
}
],
"relatedLots": [
"1"
],
"aboveThreshold": true,
"contractPeriod": {
"endDate": "2031-07-21T23:59:59+01:00",
"startDate": "2026-07-22T00:00:00+01:00"
},
"standstillPeriod": {
"endDate": "2026-07-15T23:59:59+01:00"
},
"mainProcurementCategory": "services",
"assessmentSummariesDateSent": "2026-07-02T00:00:00+01:00"
}
],
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"status": "complete"
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"status": "complete",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"hasFrameworkAgreement": true
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.",
"procurementMethod": "open",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Andrew Witcombe",
"email": "procurement2@ofgem.gov.uk"
}
},
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited ",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKF21",
"country": "GB",
"locality": "Leicester",
"postalCode": "LE41ET",
"countryName": "United Kingdom",
"streetAddress": "12 Barshaw Business Park, Leycroft Road"
},
"details": {
"vcse": false,
"scale": "sme",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PJXB-2868-LDMJ",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "vandad.hamidi@vinci-energies.co.uk"
}
},
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKJ26",
"country": "GB",
"locality": "Epsom",
"postalCode": "KT185BW",
"countryName": "United Kingdom",
"streetAddress": "Woodcote Grove, Ashley Road"
},
"details": {
"vcse": false,
"scale": "large",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PLLV-1772-YDYN",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "Umran.Nazir@atkinsrealis.com"
}
},
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited ",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC3V 3NG",
"countryName": "United Kingdom",
"streetAddress": "International House , 36-38 Cornhill"
},
"details": {
"vcse": false,
"scale": "sme",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PLGZ-2887-CPGJ",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "Richard@rrlgroup.co.uk"
}
},
{
"id": "GB-PPON-PYYR-3574-TLWP",
"name": "Blake Clough Consulting Limited",
"roles": [
"tenderer"
],
"address": {
"region": "UKE44",
"country": "GB",
"locality": "Huddersfield",
"postalCode": "HD7 5JN",
"countryName": "United Kingdom",
"streetAddress": "Management Building , Globe Mills Bridge Street"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PYYR-3574-TLWP",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PPLQ-5161-PCVN",
"name": "Grant Thornton UK Advisory and Tax LLP",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC2M 7EA",
"countryName": "United Kingdom",
"streetAddress": "8 Finsbury Circus"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PPLQ-5161-PCVN",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PMWQ-2349-LRPL",
"name": "Long O Donnell Associates Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKD33",
"country": "GB",
"locality": "Manchester",
"postalCode": "M1 3HY",
"countryName": "United Kingdom",
"streetAddress": "Boulton House, 17-21 Chorlton St"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PMWQ-2349-LRPL",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PLJZ-3661-VNCJ",
"name": "Modern Tech Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "WC2H 9JQ",
"countryName": "United Kingdom",
"streetAddress": "71-75 Shelton Street "
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PLJZ-3661-VNCJ",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PDCT-9245-NWYG",
"name": "Systra Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC2V 8AE",
"countryName": "United Kingdom",
"streetAddress": "1 Carey Lane"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PDCT-9245-NWYG",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PRVD-2182-VXHT",
"name": "Natural Power Consultants Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKM92",
"country": "GB",
"locality": "Glasgow",
"postalCode": "DG7 3XS",
"countryName": "United Kingdom",
"streetAddress": "130 St Vincent Street"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PRVD-2182-VXHT",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PTZX-2735-JXQN",
"name": "Gutteridge, Haskins & Davey",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC4A 4AB",
"countryName": "United Kingdom",
"streetAddress": "Nexus Building 25 Farrington Street"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PTZX-2735-JXQN",
"scheme": "GB-PPON"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "062857-2026",
"tag": [
"award",
"contract"
],
"bids": {
"details": [
{
"id": "1",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "2",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited"
}
],
"relatedLots": [
"1"
]
},
{
"id": "3",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "4",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PYYR-3574-TLWP",
"name": "Blake Clough Consulting Limited"
}
],
"relatedLots": [
"1"
]
},
{
"id": "5",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PPLQ-5161-PCVN",
"name": "Grant Thornton UK Advisory and Tax LLP"
}
],
"relatedLots": [
"1"
]
},
{
"id": "6",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PMWQ-2349-LRPL",
"name": "Long O Donnell Associates Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "7",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PLJZ-3661-VNCJ",
"name": "Modern Tech Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "8",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PDCT-9245-NWYG",
"name": "Systra Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "9",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PRVD-2182-VXHT",
"name": "Natural Power Consultants Limited "
}
],
"relatedLots": [
"1"
]
},
{
"id": "14",
"status": "valid",
"tenderers": [
{
"id": "GB-PPON-PTZX-2735-JXQN",
"name": "Gutteridge, Haskins & Davey"
}
],
"relatedLots": [
"1"
]
}
],
"statistics": [
{
"id": "1",
"value": 10,
"measure": "bids",
"relatedLot": "1"
},
{
"id": "2",
"value": 10,
"measure": "finalStageBids",
"relatedLot": "1"
},
{
"id": "3",
"value": 6,
"measure": "smeFinalStageBids",
"relatedLot": "1"
},
{
"id": "4",
"value": 0,
"measure": "vcseFinalStageBids",
"relatedLot": "1"
}
]
},
"date": "2026-07-03T14:38:45+01:00",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"awards": [
{
"id": "1",
"date": "2026-06-25T00:00:00+01:00",
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "pending",
"documents": [
{
"id": "062857-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/062857-2026",
"format": "text/html",
"noticeType": "UK6",
"description": "Contract award notice on Find a Tender",
"documentType": "awardNotice",
"datePublished": "2026-07-03T14:38:45+01:00"
}
],
"suppliers": [
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited "
},
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited "
},
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited"
}
],
"milestones": [
{
"id": "1",
"type": "futureSignatureDate",
"status": "scheduled",
"dueDate": "2026-07-17T23:59:59+01:00"
}
],
"relatedLots": [
"1"
],
"aboveThreshold": true,
"contractPeriod": {
"endDate": "2031-07-21T23:59:59+01:00",
"startDate": "2026-07-22T00:00:00+01:00"
},
"standstillPeriod": {
"endDate": "2026-07-15T23:59:59+01:00"
},
"mainProcurementCategory": "services",
"assessmentSummariesDateSent": "2026-07-02T00:00:00+01:00"
}
],
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"status": "complete"
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"status": "complete",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"hasFrameworkAgreement": true
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.",
"procurementMethod": "open",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Andrew Witcombe",
"email": "procurement2@ofgem.gov.uk"
}
},
{
"id": "GB-PPON-PJXB-2868-LDMJ",
"name": "Kelvin Construction Company Limited ",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKF21",
"country": "GB",
"locality": "Leicester",
"postalCode": "LE41ET",
"countryName": "United Kingdom",
"streetAddress": "12 Barshaw Business Park, Leycroft Road"
},
"details": {
"vcse": false,
"scale": "sme",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PJXB-2868-LDMJ",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "vandad.hamidi@vinci-energies.co.uk"
}
},
{
"id": "GB-PPON-PLLV-1772-YDYN",
"name": "AtkinsRealis UK Limited",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKJ26",
"country": "GB",
"locality": "Epsom",
"postalCode": "KT185BW",
"countryName": "United Kingdom",
"streetAddress": "Woodcote Grove, Ashley Road"
},
"details": {
"vcse": false,
"scale": "large",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PLLV-1772-YDYN",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "Umran.Nazir@atkinsrealis.com"
}
},
{
"id": "GB-PPON-PLGZ-2887-CPGJ",
"name": "RRL Group Limited ",
"roles": [
"supplier",
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC3V 3NG",
"countryName": "United Kingdom",
"streetAddress": "International House , 36-38 Cornhill"
},
"details": {
"vcse": false,
"scale": "sme",
"shelteredWorkshop": false,
"publicServiceMissionOrganization": false
},
"identifier": {
"id": "PLGZ-2887-CPGJ",
"scheme": "GB-PPON"
},
"contactPoint": {
"email": "Richard@rrlgroup.co.uk"
}
},
{
"id": "GB-PPON-PYYR-3574-TLWP",
"name": "Blake Clough Consulting Limited",
"roles": [
"tenderer"
],
"address": {
"region": "UKE44",
"country": "GB",
"locality": "Huddersfield",
"postalCode": "HD7 5JN",
"countryName": "United Kingdom",
"streetAddress": "Management Building , Globe Mills Bridge Street"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PYYR-3574-TLWP",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PPLQ-5161-PCVN",
"name": "Grant Thornton UK Advisory and Tax LLP",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC2M 7EA",
"countryName": "United Kingdom",
"streetAddress": "8 Finsbury Circus"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PPLQ-5161-PCVN",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PMWQ-2349-LRPL",
"name": "Long O Donnell Associates Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKD33",
"country": "GB",
"locality": "Manchester",
"postalCode": "M1 3HY",
"countryName": "United Kingdom",
"streetAddress": "Boulton House, 17-21 Chorlton St"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PMWQ-2349-LRPL",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PLJZ-3661-VNCJ",
"name": "Modern Tech Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "WC2H 9JQ",
"countryName": "United Kingdom",
"streetAddress": "71-75 Shelton Street "
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PLJZ-3661-VNCJ",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PDCT-9245-NWYG",
"name": "Systra Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC2V 8AE",
"countryName": "United Kingdom",
"streetAddress": "1 Carey Lane"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PDCT-9245-NWYG",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PRVD-2182-VXHT",
"name": "Natural Power Consultants Limited ",
"roles": [
"tenderer"
],
"address": {
"region": "UKM92",
"country": "GB",
"locality": "Glasgow",
"postalCode": "DG7 3XS",
"countryName": "United Kingdom",
"streetAddress": "130 St Vincent Street"
},
"details": {
"vcse": false,
"scale": "sme"
},
"identifier": {
"id": "PRVD-2182-VXHT",
"scheme": "GB-PPON"
}
},
{
"id": "GB-PPON-PTZX-2735-JXQN",
"name": "Gutteridge, Haskins & Davey",
"roles": [
"tenderer"
],
"address": {
"region": "UKI31",
"country": "GB",
"locality": "London",
"postalCode": "EC4A 4AB",
"countryName": "United Kingdom",
"streetAddress": "Nexus Building 25 Farrington Street"
},
"details": {
"vcse": false,
"scale": "large"
},
"identifier": {
"id": "PTZX-2735-JXQN",
"scheme": "GB-PPON"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "034326-2026",
"tag": [
"tenderUpdate"
],
"date": "2026-04-15T15:23:52+01:00",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 70,
"weight": "percentageExact"
}
],
"description": "Assessment of the quality of the tender response in accordance with the evaluation methodology set out in the tender documentation."
},
{
"name": "Commercial",
"type": "price",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "Assessment of price in accordance with the commercial evaluation methodology set out in the tender documentation."
}
]
},
"contractPeriod": {
"endDate": "2031-06-29T23:59:59+01:00",
"startDate": "2026-06-30T00:00:00+01:00"
},
"selectionCriteria": {
"criteria": [
{
"type": "economic",
"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": "technical",
"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."
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"coveredBy": [
"GPA"
],
"documents": [
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "L-1",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918",
"description": "Invitation to Tender",
"documentType": "biddingDocuments"
},
{
"id": "A-14796",
"url": "https://www.find-tender.service.gov.uk/Notice/Attachment/A-14796",
"format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"description": "2024-133 Schedule 7 - Call-off Contract supporting document - KPIs",
"documentType": "biddingDocuments"
},
{
"id": "A-14797",
"url": "https://www.find-tender.service.gov.uk/Notice/Attachment/A-14797",
"format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"description": "2024-133 - Final - Ofgem - ITA Call-off [TRACKED VERSION] (30 March 2026)",
"documentType": "biddingDocuments"
},
{
"id": "A-14798",
"url": "https://www.find-tender.service.gov.uk/Notice/Attachment/A-14798",
"format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"description": "2024-133 - Final - Ofgem - ITA Framework Agreement [TRACKED VERSION] (30 March 2026)",
"documentType": "biddingDocuments"
},
{
"id": "A-14799",
"url": "https://www.find-tender.service.gov.uk/Notice/Attachment/A-14799",
"format": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"description": "2024-133 Review of Responses to Legal Commentary Process (30 March 2026)",
"documentType": "biddingDocuments"
},
{
"id": "034326-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/034326-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-04-15T15:23:52+01:00"
}
],
"amendments": [
{
"id": "034326-2026",
"description": "Additional supporting documents now uploaded"
}
],
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "The framework will operate on a call‑off basis for the duration of the framework term. Call‑off 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‑off 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‑off.",
"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.",
"maximumParticipants": 3
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-05-28T23:59:59+01:00"
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.\nFurther information can be found in the attached ITT document.",
"riskDetails": "Key risks to the successful delivery of the contract include:\n• Availability and retention of suitably skilled and experienced resources over the contract period;\n• Conflicts of interest arising from suppliers' wider market activities and relationships with Transmission Owners or their supply chains;\n• The variable and evolving nature of the scope of work across RIIO‑3, including changes in project eligibility, volume and timing;\n• Dependence on timely provision of information and cooperation from third parties, including Transmission Owners; and\n• 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‑off contracts.",
"tenderPeriod": {
"endDate": "2026-04-20T12:00:00+01:00"
},
"contractTerms": {
"financialTerms": "Payment will be made in accordance with the framework agreement and applicable call‑off contracts. Charges shall be based on the agreed daily rates submitted by the supplier at tender stage and applied in line with the requirements of the relevant call‑off.\nPayment will be subject to the satisfactory delivery of services and submission of valid invoices in accordance with the contract terms. Further details of invoicing, payment timing and any reporting requirements are set out in the framework and call‑off contract documentation."
},
"enquiryPeriod": {
"endDate": "2026-03-20T12:00:00Z"
},
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "open",
"mainProcurementCategory": "services",
"submissionMethodDetails": "Via www.mytenders.co.uk",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Rebecca Green",
"email": "procurement2@ofgem.gov.uk"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "032595-2026",
"tag": [
"tenderUpdate"
],
"date": "2026-04-09T16:50:03+01:00",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 70,
"weight": "percentageExact"
}
],
"description": "Assessment of the quality of the tender response in accordance with the evaluation methodology set out in the tender documentation."
},
{
"name": "Commercial",
"type": "price",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "Assessment of price in accordance with the commercial evaluation methodology set out in the tender documentation."
}
]
},
"contractPeriod": {
"endDate": "2031-06-29T23:59:59+01:00",
"startDate": "2026-06-30T00:00:00+01:00"
},
"selectionCriteria": {
"criteria": [
{
"type": "economic",
"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": "technical",
"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."
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"coveredBy": [
"GPA"
],
"documents": [
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "L-1",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918",
"description": "Invitation to Tender",
"documentType": "biddingDocuments"
},
{
"id": "032595-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/032595-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-04-09T16:50:03+01:00"
}
],
"amendments": [
{
"id": "032595-2026",
"description": "Due to issues with the mytender system, uploaded documents added to the notice are not showing. Mytenders are aware and looking in to this. Thererfore, to allow time for bidders to review these documents, the closing date is being pushed back a week with the view that the system has been fixed by Monday to allow the document to show. To note for bidders, the changes to the terms are minimal and likely will not result in fundamental changes needed to be made to bids."
}
],
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "The framework will operate on a call‑off basis for the duration of the framework term. Call‑off 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‑off 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‑off.",
"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.",
"maximumParticipants": 3
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-05-28T23:59:59+01:00"
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.\nFurther information can be found in the attached ITT document.",
"riskDetails": "Key risks to the successful delivery of the contract include:\n• Availability and retention of suitably skilled and experienced resources over the contract period;\n• Conflicts of interest arising from suppliers' wider market activities and relationships with Transmission Owners or their supply chains;\n• The variable and evolving nature of the scope of work across RIIO‑3, including changes in project eligibility, volume and timing;\n• Dependence on timely provision of information and cooperation from third parties, including Transmission Owners; and\n• 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‑off contracts.",
"tenderPeriod": {
"endDate": "2026-04-20T12:00:00+01:00"
},
"contractTerms": {
"financialTerms": "Payment will be made in accordance with the framework agreement and applicable call‑off contracts. Charges shall be based on the agreed daily rates submitted by the supplier at tender stage and applied in line with the requirements of the relevant call‑off.\nPayment will be subject to the satisfactory delivery of services and submission of valid invoices in accordance with the contract terms. Further details of invoicing, payment timing and any reporting requirements are set out in the framework and call‑off contract documentation."
},
"enquiryPeriod": {
"endDate": "2026-03-20T12:00:00Z"
},
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "open",
"mainProcurementCategory": "services",
"submissionMethodDetails": "Via www.mytenders.co.uk",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Rebecca Green",
"email": "procurement2@ofgem.gov.uk"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "028673-2026",
"tag": [
"tenderUpdate"
],
"date": "2026-03-27T15:42:41Z",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 70,
"weight": "percentageExact"
}
],
"description": "Assessment of the quality of the tender response in accordance with the evaluation methodology set out in the tender documentation."
},
{
"name": "Commercial",
"type": "price",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "Assessment of price in accordance with the commercial evaluation methodology set out in the tender documentation."
}
]
},
"contractPeriod": {
"endDate": "2031-06-29T23:59:59+01:00",
"startDate": "2026-06-30T00:00:00+01:00"
},
"selectionCriteria": {
"criteria": [
{
"type": "economic",
"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": "technical",
"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."
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"coveredBy": [
"GPA"
],
"documents": [
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "L-1",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918",
"description": "Invitation to Tender",
"documentType": "biddingDocuments"
},
{
"id": "028673-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/028673-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-03-27T15:42:41Z"
}
],
"amendments": [
{
"id": "028673-2026",
"description": "Change to the tender submission date from 07 April 2026 at 12 noon to 14 April 2026 at 12 noon"
}
],
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "The framework will operate on a call‑off basis for the duration of the framework term. Call‑off 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‑off 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‑off.",
"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.",
"maximumParticipants": 3
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-05-21T23:59:59+01:00"
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.\nFurther information can be found in the attached ITT document.",
"riskDetails": "Key risks to the successful delivery of the contract include:\n• Availability and retention of suitably skilled and experienced resources over the contract period;\n• Conflicts of interest arising from suppliers' wider market activities and relationships with Transmission Owners or their supply chains;\n• The variable and evolving nature of the scope of work across RIIO‑3, including changes in project eligibility, volume and timing;\n• Dependence on timely provision of information and cooperation from third parties, including Transmission Owners; and\n• 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‑off contracts.",
"tenderPeriod": {
"endDate": "2026-04-14T12:00:00+01:00"
},
"contractTerms": {
"financialTerms": "Payment will be made in accordance with the framework agreement and applicable call‑off contracts. Charges shall be based on the agreed daily rates submitted by the supplier at tender stage and applied in line with the requirements of the relevant call‑off.\nPayment will be subject to the satisfactory delivery of services and submission of valid invoices in accordance with the contract terms. Further details of invoicing, payment timing and any reporting requirements are set out in the framework and call‑off contract documentation."
},
"enquiryPeriod": {
"endDate": "2026-03-20T12:00:00Z"
},
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "open",
"mainProcurementCategory": "services",
"submissionMethodDetails": "Via www.mytenders.co.uk",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Rebecca Green",
"email": "procurement2@ofgem.gov.uk"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "017065-2026",
"tag": [
"tender"
],
"date": "2026-02-25T16:12:16Z",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"suitability": {
"sme": true
},
"awardCriteria": {
"criteria": [
{
"name": "Technical",
"type": "quality",
"numbers": [
{
"number": 70,
"weight": "percentageExact"
}
],
"description": "Assessment of the quality of the tender response in accordance with the evaluation methodology set out in the tender documentation."
},
{
"name": "Commercial",
"type": "price",
"numbers": [
{
"number": 30,
"weight": "percentageExact"
}
],
"description": "Assessment of price in accordance with the commercial evaluation methodology set out in the tender documentation."
}
]
},
"contractPeriod": {
"endDate": "2031-06-29T23:59:59+01:00",
"startDate": "2026-06-30T00:00:00+01:00"
},
"selectionCriteria": {
"criteria": [
{
"type": "economic",
"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": "technical",
"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."
}
]
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "71310000",
"scheme": "CPV",
"description": "Consultative engineering and construction services"
},
{
"id": "71621000",
"scheme": "CPV",
"description": "Technical analysis or consultancy services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Adviser ",
"value": {
"amount": 20833333,
"currency": "GBP",
"amountGross": 25000000
},
"status": "active",
"coveredBy": [
"GPA"
],
"documents": [
{
"id": "L-2",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=632918",
"description": "Invitation to Tender",
"documentType": "biddingDocuments"
},
{
"id": "conflictOfInterest",
"description": "Not published",
"documentType": "conflictOfInterest"
},
{
"id": "017065-2026",
"url": "https://www.find-tender.service.gov.uk/Notice/017065-2026",
"format": "text/html",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"documentType": "tenderNotice",
"datePublished": "2026-02-25T16:12:16Z"
}
],
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"techniques": {
"frameworkAgreement": {
"type": "closed",
"method": "withAndWithoutReopeningCompetition",
"description": "The framework will operate on a call‑off basis for the duration of the framework term. Call‑off 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‑off 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‑off. ",
"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. ",
"maximumParticipants": 3
},
"hasFrameworkAgreement": true
},
"awardPeriod": {
"endDate": "2026-05-14T23:59:59+01:00"
},
"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‑related projects across all electricity Transmission Owners (TOs). The objective of ITA assurance is to support enhanced and accelerated regulatory decision‑making and processes.\nFurther information can be found in the attached ITT document.",
"riskDetails": "Key risks to the successful delivery of the contract include:\n• Availability and retention of suitably skilled and experienced resources over the contract period;\n• Conflicts of interest arising from suppliers’ wider market activities and relationships with Transmission Owners or their supply chains;\n• The variable and evolving nature of the scope of work across RIIO‑3, including changes in project eligibility, volume and timing;\n• Dependence on timely provision of information and cooperation from third parties, including Transmission Owners; and\n• 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‑off contracts.",
"tenderPeriod": {
"endDate": "2026-04-07T12:00:00+01:00"
},
"contractTerms": {
"financialTerms": "Payment will be made in accordance with the framework agreement and applicable call‑off contracts. Charges shall be based on the agreed daily rates submitted by the supplier at tender stage and applied in line with the requirements of the relevant call‑off.\nPayment will be subject to the satisfactory delivery of services and submission of valid invoices in accordance with the contract terms. Further details of invoicing, payment timing and any reporting requirements are set out in the framework and call‑off contract documentation."
},
"enquiryPeriod": {
"endDate": "2026-03-20T12:00:00+00:00"
},
"aboveThreshold": true,
"submissionTerms": {
"languages": [
"en"
],
"electronicSubmissionPolicy": "allowed"
},
"procurementMethod": "open",
"mainProcurementCategory": "services",
"submissionMethodDetails": "Via www.mytenders.co.uk",
"procurementMethodDetails": "Open procedure"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Rebecca Green",
"email": "procurement2@ofgem.gov.uk"
}
}
],
"language": "en",
"initiationType": "tender"
}{
"id": "034054-2025",
"tag": [
"planning"
],
"date": "2025-06-20T13:02:05+01:00",
"ocid": "ocds-h6vhtk-0550e3",
"buyer": {
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem"
},
"tender": {
"id": "2024-133",
"lots": [
{
"id": "1",
"status": "planned",
"suitability": {
"sme": true,
"vcse": true
},
"contractPeriod": {
"endDate": "2041-03-31T23:59:59+01:00",
"startDate": "2026-04-01T00:00:00+01:00"
}
}
],
"items": [
{
"id": "1",
"relatedLot": "1",
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"additionalClassifications": [
{
"id": "79200000",
"scheme": "CPV",
"description": "Accounting, auditing and fiscal services"
},
{
"id": "79400000",
"scheme": "CPV",
"description": "Business and management consultancy and related services"
}
]
}
],
"title": "2024-133 RIIO-3 Independent Technical Advisor ",
"status": "planned",
"legalBasis": {
"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"description": "Procurement of an ‘Independent Technical Adviser to provide assurance to Ofgem on the design, procurement, and cost of delivering selected load-related projects in RIIO-ET3. ",
"communication": {
"futureNoticeDate": "2025-08-28T23:59:59+01:00"
},
"aboveThreshold": true,
"mainProcurementCategory": "services"
},
"parties": [
{
"id": "GB-PPON-PWXD-5991-LZZP",
"name": "Ofgem",
"roles": [
"buyer"
],
"address": {
"region": "UKI42",
"country": "GB",
"locality": "London",
"postalCode": "E14 4PU",
"countryName": "United Kingdom",
"streetAddress": "10 South Colonnade"
},
"details": {
"url": "http://www.ofgem.gov.uk",
"classifications": [
{
"id": "publicAuthoritySubCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - sub-central government"
}
]
},
"identifier": {
"id": "PWXD-5991-LZZP",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Gary Carlton",
"email": "procurement2@ofgem.gov.uk"
}
}
],
"language": "en",
"planning": {
"documents": [
{
"id": "034054-2025",
"url": "https://www.find-tender.service.gov.uk/Notice/034054-2025",
"format": "text/html",
"noticeType": "UK1",
"description": "Pipeline notice on Find a Tender",
"documentType": "plannedProcurementNotice",
"datePublished": "2025-06-20T13:02:05+01:00"
}
]
},
"initiationType": "tender"
}