Tender

SONI085 DS3 - Gate 15

SONI LTD

This public procurement record has 1 release in its history.

Tender

11 Jun 2026 at 09:21

Summary of the contracting process

SONI Ltd is currently overseeing the "SONI085 DS3 - Gate 15" procurement process, focusing on energy and related services under the competitive flexible procedure. Based in Belfast, Northern Ireland, this private utility is regulated under Northern Irish devolved regulations. The tender is in the active stage, with the expression of interest deadline set for 17th July 2026 and a subsequent award period concluding on 3rd September 2026. The procurement is structured to select qualified companies for the provision of DS3 System Services, potentially resulting in contract awards upon the approval of the Regulatory Authorities in Northern Ireland.

This tender represents a significant opportunity for businesses involved in the energy sector, particularly those specialising in operational reserves and related services. The contract, with an estimated gross value of £45,367,945.76, offers various lots that may be highly suitable for SMEs looking to expand their portfolio in Northern Ireland. Companies capable of meeting technical compliance and legal requirements are encouraged to participate, as successful bidders will have the opportunity to be part of SONI Ltd's qualification system for up to five candidates per lot, beginning October 2026 and lasting until March 2027.

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How relevant is this notice?

Notice Title

SONI085 DS3 - Gate 15

Notice Description

The procurement process is part of a structured process to aid SONI Limited ("SONI") in the selection of companies for inclusion on the Qualification System for the provision of DS3 System Services and the award of contracts subject to approval of the Regulatory Authorities Northern Ireland respectively. Refer to Qualification briefing document for full details.

Lot Information

POR L1NI

Primary Operating Reserve

SOR L2NI

Secondary Operating Reserve

TOR1 L3NI

Tertiary 1 Operating Reserve

TOR2 L4NI

Tertiary 2 Operating Reserve

RRD L5NI

Replacement Reserve (De-Synchronised)

RRS L6NI

Replacement Reserve (Synchronised)

SSRP L7NI

Steady State Reactive Power

SIR L8NI

Synchronous Inertial Response

RM1 L9NI

Ramping Margin 1 Hour

RM3 L10NI

Ramping Margin 3 Hour

RM8 L11NI

Ramping Margin 8 Hour

FFR L12NI

Fast Frequency Response

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06b27f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/055038-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
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

71 - Architectural, construction, engineering and inspection services


CPV Codes

71314000 - Energy and related services

Notice Value(s)

Tender Value
£37,806,621 £10M-£100M
Lots Value
£37,806,615 £10M-£100M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
11 Jun 2026Yesterday
Submission Deadline
6 Jul 20264 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
30 Sep 2026 - 31 Mar 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

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

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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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.

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                        {
                            "description": "Please refer to Qualification Briefing Document - Award Criteria",
                            "forReduction": true
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-10-01T00:00:00+01:00",
                    "endDate": "2027-03-31T23:59:59+01:00"
                }
            },
            {
                "id": "10",
                "title": "RM3 L10NI",
                "description": "Ramping Margin 3 Hour",
                "status": "active",
                "value": {
                    "amountGross": 1092643.42,
                    "amount": 910536.18,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "weightingDescription": "Technical Compliance & Legal",
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical Compliance",
                            "description": "Tenderers are required to demonstrate compliance against the requirements set out in the Technical Questionnaire and Scope of Work, for each Lot they are applying for."
                        },
                        {
                            "type": "quality",
                            "name": "Legal",
                            "description": "Acceptance of contractual conditions"
                        }
                    ]
                },
                "secondStage": {
                    "minimumCandidates": 1,
                    "maximumCandidates": 10
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "economic",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "type": "technical",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "description": "Please refer to Qualification Briefing Document - Award Criteria",
                            "forReduction": true
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-10-01T00:00:00+01:00",
                    "endDate": "2027-03-31T23:59:59+01:00"
                }
            },
            {
                "id": "11",
                "title": "RM8 L11NI",
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                "status": "active",
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                    "amountGross": 1023179.31,
                    "amount": 852649.8,
                    "currency": "GBP"
                },
                "awardCriteria": {
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                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical Compliance",
                            "description": "Tenderers are required to demonstrate compliance against the requirements set out in the Technical Questionnaire and Scope of Work, for each Lot they are applying for."
                        },
                        {
                            "type": "quality",
                            "name": "Legal",
                            "description": "Acceptance of contractual conditions"
                        }
                    ]
                },
                "secondStage": {
                    "minimumCandidates": 1,
                    "maximumCandidates": 10
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "economic",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "type": "technical",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "description": "Please refer to Qualification Briefing Document - Award Criteria",
                            "forReduction": true
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-10-01T00:00:00+01:00",
                    "endDate": "2027-03-31T23:59:59+01:00"
                }
            },
            {
                "id": "12",
                "title": "FFR L12NI",
                "description": "Fast Frequency Response",
                "status": "active",
                "value": {
                    "amountGross": 11020119.12,
                    "amount": 9183432.5,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "weightingDescription": "Technical Compliance & Legal",
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Technical Compliance",
                            "description": "Tenderers are required to demonstrate compliance against the requirements set out in the Technical Questionnaire and Scope of Work, for each Lot they are applying for."
                        },
                        {
                            "type": "quality",
                            "name": "Legal",
                            "description": "Acceptance of contractual conditions"
                        }
                    ]
                },
                "secondStage": {
                    "minimumCandidates": 1,
                    "maximumCandidates": 10
                },
                "selectionCriteria": {
                    "criteria": [
                        {
                            "type": "economic",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "type": "technical",
                            "description": "Please refer to Qualification Briefing Document"
                        },
                        {
                            "description": "Please refer to Qualification Briefing Document - Award Criteria",
                            "forReduction": true
                        }
                    ]
                },
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-10-01T00:00:00+01:00",
                    "endDate": "2027-03-31T23:59:59+01:00"
                }
            }
        ],
        "documents": [
            {
                "id": "L-1",
                "documentType": "biddingDocuments",
                "description": "Full briefing document for Tender",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644160"
            },
            {
                "id": "L-2",
                "documentType": "biddingDocuments",
                "description": "Important notice for tender submission",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644162"
            },
            {
                "id": "L-3",
                "documentType": "biddingDocuments",
                "description": "Regulated Arrangements",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644163"
            },
            {
                "id": "L-4",
                "documentType": "biddingDocuments",
                "description": "Performance Measurement Device",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644164"
            },
            {
                "id": "L-5",
                "documentType": "biddingDocuments",
                "description": "Proven Technology List",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644165"
            },
            {
                "id": "L-6",
                "documentType": "biddingDocuments",
                "description": "New Signals Requirements",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644166"
            },
            {
                "id": "L-7",
                "documentType": "biddingDocuments",
                "description": "Protocol Document",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644167"
            },
            {
                "id": "L-8",
                "documentType": "biddingDocuments",
                "description": "Technical Questionnaire",
                "url": "https://www.mytenders.co.uk/Authority/NoticeBuilder/NoticeBuilder_FileDownload.aspx?id=644168"
            },
            {
                "id": "conflictOfInterest",
                "documentType": "conflictOfInterest",
                "description": "Not published"
            },
            {
                "id": "055038-2026",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/055038-2026",
                "datePublished": "2026-06-11T10:21:27+01:00",
                "format": "text/html"
            }
        ]
    },
    "language": "en"
}