Notice Information
Notice Title
SONI078 Low Carbon Inertia Services in Northern Ireland - Phase 2
Notice Description
SONI has the responsibility as the Transmission System Operator (TSO) under its license to operate and plan the development of the electricity transmission network. This requires SONI to complete all the relevant activities ('pre-construction') to enable Northern Ireland Electricity Networks, the Transmission Asset Owner (TAO), to carry out the construction and connection to the grid. Refer to PSQ for full details.
Notice Details
Publication & Lifecycle
- Open Contracting ID
- ocds-h6vhtk-06a8c9
- Publication Source
- Find A Tender Service
- Latest Notice
- https://www.find-tender.service.gov.uk/Notice/050801-2026
- Current Stage
- Tender
- All Stages
- Tender
Procurement Classification
- Notice Type
- UK4 - Tender Notice
- Procurement Type
- Framework
- Procurement Category
- Services
- Procurement Method
- Selective
- Procurement Method Details
- Competitive flexible procedure
- Tender Suitability
- SME
- Awardee Scale
- Not specified
Common Procurement Vocabulary (CPV)
- CPV Divisions
09 - Petroleum products, fuel, electricity and other sources of energy
65 - Public utilities
-
- CPV Codes
09000000 - Petroleum products, fuel, electricity and other sources of energy
65000000 - Public utilities
Notice Value(s)
- Tender Value
- £7,310,000 £1M-£10M
- Lots Value
- £7,310,000 £1M-£10M
- Awards Value
- Not specified
- Contracts Value
- Not specified
Notice Dates
- Publication Date
- 29 May 20266 days ago
- Submission Deadline
- 12 Jun 20261 weeks to go
- Future Notice Date
- Not specified
- Award Date
- Not specified
- Contract Period
- 31 Mar 2027 - 31 Mar 2035 Over 5 years
- Recurrence
- Not specified
Notice Status
- Tender Status
- Active
- Lots Status
- Active
- Awards Status
- Not Specified
- Contracts Status
- Not Specified
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- SONI LTD
- Contact Name
- Available with D3 Tenders Premium →
- Contact Email
- Available with D3 Tenders Premium →
- Contact Phone
- Available with D3 Tenders Premium →
Buyer Location
- Locality
- BELFAST
- Postcode
- BT6 9RT
- Post Town
- Northern Ireland
- Country
- Northern Ireland
-
- Major Region (ITL 1)
- TLN Northern Ireland
- Basic Region (ITL 2)
- TLN0 Northern Ireland
- Small Region (ITL 3)
- TLN0E Lisburn and Castlereagh
- Delivery Location
- Not specified
-
- Local Authority
- Lisburn and Castlereagh
- Electoral Ward
- Moneyreagh
- Westminster Constituency
- Belfast South and Mid Down
Further Information
Notice Documents
-
https://www.find-tender.service.gov.uk/Notice/050801-2026
29th May 2026 - Tender notice on Find a Tender -
https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=642794
Procurement Specific Questionnaire
Open Contracting Data Standard (OCDS)
View full OCDS Record for this contracting process
The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.
{
"tag": [
"compiled"
],
"id": "ocds-h6vhtk-06a8c9-2026-05-29T12:25:39+01:00",
"date": "2026-05-29T12:25:39+01:00",
"ocid": "ocds-h6vhtk-06a8c9",
"initiationType": "tender",
"parties": [
{
"id": "GB-PPON-PPVY-9479-DHPY",
"name": "SONI Ltd",
"identifier": {
"scheme": "GB-PPON",
"id": "PPVY-9479-DHPY"
},
"address": {
"streetAddress": "12 Manse Road",
"locality": "Belfast",
"postalCode": "BT6 9RT",
"country": "GB",
"countryName": "United Kingdom",
"region": "UKN0E"
},
"contactPoint": {
"name": "Dee Fraser",
"email": "tenders.soni@soni.ltd.uk"
},
"roles": [
"buyer"
],
"details": {
"url": "http://www.soni.ltd.uk",
"classifications": [
{
"id": "privateUtility",
"scheme": "UK_CA_TYPE",
"description": "Private utility"
},
{
"id": "GB-NIR",
"scheme": "UK_CA_DEVOLVED_REGULATIONS",
"description": "Northern Irish devolved regulations apply"
}
]
}
}
],
"buyer": {
"id": "GB-PPON-PPVY-9479-DHPY",
"name": "SONI Ltd"
},
"tender": {
"id": "SONI078",
"legalBasis": {
"id": "2023/54",
"scheme": "UKPGA",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
},
"title": "SONI078 Low Carbon Inertia Services in Northern Ireland - Phase 2",
"description": "SONI has the responsibility as the Transmission System Operator (TSO) under its license to operate and plan the development of the electricity transmission network. This requires SONI to complete all the relevant activities ('pre-construction') to enable Northern Ireland Electricity Networks, the Transmission Asset Owner (TAO), to carry out the construction and connection to the grid. Refer to PSQ for full details.",
"status": "active",
"items": [
{
"id": "1",
"additionalClassifications": [
{
"scheme": "CPV",
"id": "09000000",
"description": "Petroleum products, fuel, electricity and other sources of energy"
},
{
"scheme": "CPV",
"id": "65000000",
"description": "Public utilities"
}
],
"deliveryAddresses": [
{
"region": "UK",
"country": "GB",
"countryName": "United Kingdom"
}
],
"relatedLot": "1"
}
],
"value": {
"amountGross": 8772000,
"amount": 7310000,
"currency": "GBP"
},
"procurementMethod": "selective",
"procurementMethodDetails": "Competitive flexible procedure",
"procedure": {
"features": "Procurement Specific Questionnaire"
},
"mainProcurementCategory": "services",
"specialRegime": [
"utilities"
],
"aboveThreshold": true,
"techniques": {
"hasFrameworkAgreement": true,
"frameworkAgreement": {
"maximumParticipants": 5,
"method": "withAndWithoutReopeningCompetition",
"type": "closed",
"description": "Refer to PSQ"
}
},
"submissionMethodDetails": "www.mytenders.co.uk",
"submissionTerms": {
"electronicSubmissionPolicy": "allowed",
"languages": [
"en"
]
},
"expressionOfInterestDeadline": "2026-06-30T12:00:00+01:00",
"enquiryPeriod": {
"endDate": "2026-06-12T12:00:00+01:00"
},
"awardPeriod": {
"endDate": "2026-08-31T23:59:59+01:00"
},
"lots": [
{
"id": "1",
"status": "active",
"value": {
"amountGross": 8772000,
"amount": 7310000,
"currency": "GBP"
},
"awardCriteria": {
"weightingDescription": "Refer to PSQ",
"criteria": [
{
"type": "price",
"name": "Previous Experience",
"description": "Candidates are required to demonstrate that they have sufficient recent and relevant experience to deliver contracts / projects of this nature, specifically relating to the generation of electricity, energy storage or provision of system services through a connection to an electricity transmission system."
},
{
"type": "quality",
"name": "Financial & Legal Standing",
"description": "Candidates must complete the Exclusionary Criteria Declaration satisfactorily. Candidates must complete the Self-Declaration questionnaire and provide details of turnover and profit."
},
{
"type": "quality",
"name": "HSE, QA Cyber Security",
"description": "Candidates must complete the relevant questionnaires"
}
]
},
"selectionCriteria": {
"criteria": [
{
"type": "economic",
"description": "Refer to PSQ"
},
{
"type": "technical",
"description": "Refer to PSQ"
}
]
},
"suitability": {
"sme": true
},
"contractPeriod": {
"startDate": "2027-04-01T00:00:00+01:00",
"endDate": "2035-03-31T23:59:59+01:00"
}
}
],
"documents": [
{
"id": "L-2",
"documentType": "biddingDocuments",
"description": "Procurement Specific Questionnaire",
"url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=642794"
},
{
"id": "conflictOfInterest",
"documentType": "conflictOfInterest",
"description": "Not published"
},
{
"id": "050801-2026",
"documentType": "tenderNotice",
"noticeType": "UK4",
"description": "Tender notice on Find a Tender",
"url": "https://www.find-tender.service.gov.uk/Notice/050801-2026",
"datePublished": "2026-05-29T12:25:39+01:00",
"format": "text/html"
}
]
},
"language": "en"
}