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Ģý Tenders

25 June 2026

Related Information

Ģý Contract Leads

United Kingdom

Category Services

Type Tender

No. of Lots 12

Status Active

Published 11th Jun 2026

Tender Details
Referenceocds-h6vhtk-06b27f
Common Procurement VocabularyEnergy and related services
Procurement MethodCompetitive flexible procedure
Value£37,806,621
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United Kingdom

Category Services

Type Tender

No. of Lots 12

Status Active

Published 11th Jun 2026

Tender Details
Referenceocds-h6vhtk-06b27f
Common Procurement VocabularyEnergy and related services
Procurement MethodCompetitive 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