Tender

SONI078 Low Carbon Inertia Services in Northern Ireland - Phase 2

SONI LTD

This public procurement record has 1 release in its history.

Tender

29 May 2026 at 11:25

Summary of the contracting process

SONI Ltd is seeking bids for the "SONI078 Low Carbon Inertia Services in Northern Ireland - Phase 2" project, operating under the Northern Irish devolved regulations. This tender involves delivering services associated with the development of the electricity transmission network, collaborating with Northern Ireland Electricity Networks as the Transmission Asset Owner. Key timelines include an expression of interest deadline on 30th June 2026 and a contract period starting 1st April 2027 until 31st March 2035. Located in the United Kingdom, this tender is within the public utilities sector and is being conducted through a selective procurement method, described as a competitive flexible procedure with a legal basis under UKPGA 2023/54.

This tender represents a significant opportunity for businesses specialising in electricity generation, energy storage, or system service provision. Companies with relevant experience and a solid financial and legal standing are well-positioned to compete, as the award criteria focus on these aspects alongside health, safety, and cyber security. Small and medium-sized enterprises are encouraged to participate, given the suitability criteria. The maximum number of participants for the closed framework agreement is five, allowing businesses to secure a substantial foothold in Northern Ireland's renewable energy sector with a potential contract value of £7,310,000. Details are accessible through the Procurement Specific Questionnaire available on www.mytenders.co.uk.

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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.

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

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)

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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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