Ģý Contract Leads
United Kingdom
Category Services
Type Tender
No. of Lots 12
Status Active
Published 11th Jun 2026
| Reference | ocds-h6vhtk-06b27f |
| Common Procurement Vocabulary | Energy and related services |
| Procurement Method | Competitive flexible procedure |
| Value | £37,806,621 |
United Kingdom
Category Services
Type Tender
No. of Lots 12
Status Active
Published 11th Jun 2026
| Reference | ocds-h6vhtk-06b27f |
| Common Procurement Vocabulary | Energy and related services |
| Procurement Method | Competitive flexible procedure |
| Value | £37,806,621 |
Scope
Reference
SONI085
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.
Total value (estimated)
- £37,806,621.47 excluding VAT
- £45,367,945.76 including VAT
Above the relevant threshold
Main procurement category
Services
CPV classifications
- 71314000 - Energy and related services
Contract locations
- UK - United Kingdom
Not the same for all lots
Contract dates are shown in Lot sections, because they are not the same for all lots.
Lot 1. POR L1NI
Description
Primary Operating Reserve
Lot value (estimated)
- £6,437,668.89 excluding VAT
- £7,725,202.67 including VAT
Contract dates (estimated)
- 1 October 2026 to 30 March 2027
- 5 months, 30 days
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 2. SOR L2NI
Description
Secondary Operating Reserve
Lot value (estimated)
- £3,921,679.55 excluding VAT
- £4,706,015.46 including VAT
Contract dates (estimated)
- 1 October 2026 to 30 March 2027
- 5 months, 30 days
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 3. TOR1 L3NI
Description
Tertiary 1 Operating Reserve
Lot value (estimated)
- £3,427,436.91 excluding VAT
- £4,112,924.29 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 4. TOR2 L4NI
Description
Tertiary 2 Operating Reserve
Lot value (estimated)
- £3,373,899.11 excluding VAT
- £4,048,678.93 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 5. RRD L5NI
Description
Replacement Reserve (De-Synchronised)
Lot value (estimated)
- £1,008,156.83 excluding VAT
- £1,209,788.19 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 6. RRS L6NI
Description
Replacement Reserve (Synchronised)
Lot value (estimated)
- £1,008,156.63 excluding VAT
- £1,209,788.19 including VAT
Contract dates (estimated)
- 1 October 2026 to 30 March 2027
- 5 months, 30 days
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 7. SSRP L7NI
Description
Steady State Reactive Power
Lot value (estimated)
- £4,535,838.02 excluding VAT
- £5,443,005.62 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 8. SIR L8NI
Description
Synchronous Inertial Response
Lot value (estimated)
- £2,516,989.36 excluding VAT
- £3,020,387.34 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 9. RM1 L9NI
Description
Ramping Margin 1 Hour
Lot value (estimated)
- £630,177.69 excluding VAT
- £756,213.22 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 10. RM3 L10NI
Description
Ramping Margin 3 Hour
Lot value (estimated)
- £910,536.18 excluding VAT
- £1,092,643.42 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 11. RM8 L11NI
Description
Ramping Margin 8 Hour
Lot value (estimated)
- £852,649.80 excluding VAT
- £1,023,179.31 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Lot 12. FFR L12NI
Description
Fast Frequency Response
Lot value (estimated)
- £9,183,432.50 excluding VAT
- £11,020,119.12 including VAT
Contract dates (estimated)
- 1 October 2026 to 31 March 2027
- 6 months
Same for all lots
CPV classifications and contract locations are shown in the Scope section, because they are the same for all lots.
Participation
Legal and financial capacity conditions of participation
Lot 1. POR L1NI
Lot 2. SOR L2NI
Lot 3. TOR1 L3NI
Lot 4. TOR2 L4NI
Lot 5. RRD L5NI
Lot 6. RRS L6NI
Lot 7. SSRP L7NI
Lot 8. SIR L8NI
Lot 9. RM1 L9NI
Lot 10. RM3 L10NI
Lot 11. RM8 L11NI
Lot 12. FFR L12NI
Please refer to Qualification Briefing Document
Technical ability conditions of participation
Lot 1. POR L1NI
Lot 2. SOR L2NI
Lot 3. TOR1 L3NI
Lot 4. TOR2 L4NI
Lot 5. RRD L5NI
Lot 6. RRS L6NI
Lot 8. SIR L8NI
Lot 9. RM1 L9NI
Lot 10. RM3 L10NI
Lot 11. RM8 L11NI
Lot 12. FFR L12NI
Please refer to Qualification Briefing Document
Lot 7. SSRP L7NI
Please refer to Qualification Briefing Document. tbc
Particular suitability
Lot 2. SOR L2NI
Lot 3. TOR1 L3NI
Lot 4. TOR2 L4NI
Lot 5. RRD L5NI
Lot 6. RRS L6NI
Lot 7. SSRP L7NI
Lot 8. SIR L8NI
Lot 9. RM1 L9NI
Lot 10. RM3 L10NI
Lot 11. RM8 L11NI
Lot 12. FFR L12NI
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
6 July 2026, 12:00pm
Submission type
Requests to participate
Deadline for requests to participate
17 July 2026, 12:00pm
Submission address and any special instructions
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Suppliers to be invited to tender
Lot 1. POR L1NI
1 to 5 suppliers
Selection criteria:
Please refer to Qualification Briefing Document - Award Criteria
Lot 2. SOR L2NI
1 to 6 suppliers
Selection criteria:
Please refer to Qualification Briefing Document - Award Criteria
Lot 3. TOR1 L3NI
Lot 5. RRD L5NI
Lot 6. RRS L6NI
Lot 7. SSRP L7NI
Lot 9. RM1 L9NI
Lot 10. RM3 L10NI
Lot 11. RM8 L11NI
Lot 12. FFR L12NI
1 to 10 suppliers
Selection criteria:
Please refer to Qualification Briefing Document - Award Criteria
Lot 4. TOR2 L4NI
Lot 8. SIR L8NI
1 to 10 suppliers
Award decision date (estimated)
3 September 2026
Award criteria
Lot 1. POR L1NI
| Name | Description | Type |
|---|---|---|
| Technical Compliance | 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. | Quality |
| Legal | Acceptance of contractual conditions | Quality |
Weighting description
Technical Compliance & Legal
Lot 2. SOR L2NI
| Name | Description | Type |
|---|---|---|
| Technical Compliance | 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 | Quality |
| Legal | Acceptance of contractual conditions | Quality |
Weighting description
Technical Compliance & Legal
Lot 3. TOR1 L3NI
| Name | Description | Type |
|---|---|---|
| Technical Compliance | 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 | Quality |
| Legal | Acceptance of contractual conditions | Quality |
Weighting description
Technical Appliance & Legal
Lot 4. TOR2 L4NI
Lot 5. RRD L5NI
Lot 6. RRS L6NI
Lot 7. SSRP L7NI
Lot 9. RM1 L9NI
Lot 10. RM3 L10NI
Lot 11. RM8 L11NI
Lot 12. FFR L12NI
| Name | Description | Type |
|---|---|---|
| Technical Compliance | 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. | Quality |
| Legal | Acceptance of contractual conditions | Quality |
Weighting description
Technical Compliance & Legal
Lot 8. SIR L8NI
| Name | Description | Type |
|---|---|---|
| Technical Compliance | 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. | Quality |
| Legal | Technical Compliance & Legal | Quality |
Weighting description
Technical Compliance & Legal
Other information
Applicable trade agreements
- Government Procurement Agreement (GPA)
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
Please refer to Qualification System Briefing Document & Questionnaire
Documents
Associated tender documents
Full briefing document for Tender
Important notice for tender submission
Regulated Arrangements
Performance Measurement Device
Proven Technology List
New Signals Requirements
Protocol Document
Technical Questionnaire
Contracting authority
SONI Ltd
- Public Procurement Organisation Number: PPVY-9479-DHPY
12 Manse Road
Belfast
BT6 9RT
United Kingdom
Contact name: Dee Fraser
Email: tenders.soni [at] soni.ltd.uk
Website:
Region: UKN0E - Lisburn and Castlereagh
Organisation type: Private utility
Devolved regulations that apply: Northern Ireland
