SONI074 DS3 System Services – Volume Capped – Gate 14
Estimated value
£34.5m
Awarded value
—
Suppliers
0
Lots
12
Published
12 Dec 2025
Description
Following review by the Regulatory Authorities of the TSOs’ Report on Ensuring a Secure, Reliable and Efficient Power System in July 2011 the TSOs were requested by the SEM Committee to put in place a programme of work to solve the challenges associated with increased levels of penetration of variable non-synchronous renewable generation.
Scope
- Reference
- SONI074
- Total value
- £34,450,000 excluding VAT£41,340,004 including VATAbove the relevant threshold
- Commercial tool
- Standalone contract
- Contract dates
- 31 Mar 2026 to 30 Sept 2026Possible extension to 31 Dec 2026
Option for TSO to extend the term of its Contract in respect of any or all of its applicable Lots in certain defined cases, at the discretion of the Contracting Entity. This option might apply where, for instance, there is a delay in completing the procurement for any subsequent phases envisaged under the DS3 Programme.
- Main category
- services
- CPV classifications
- 71314000
- Contract locations
- Northern Ireland, United Kingdom
- Particular suitability
- Small and medium-sized enterprises (SME)
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Technical Questionnaire | Refer to RFP | quality | — |
| Legal | Refer to RFP | quality | — |
Participation
Conditions suppliers must meet to bid.
Please refer to Request for Proposal
Please refer to Technical Questionnaire
Submission & procedure
- Enquiry deadline
- 18 Dec 2025, 12:00 pm
- Submission deadline
- 15 Jan 2026, 12:00 pm
- Submission address
- www.mytenders.co.uk ↗
- Electronic submission
- Yes
- Procedure
- Open procedure
Lots · 12 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| 1 | POR L1NI - Primary Operating Reserve | £2.9m | active |
| 2 | SOR L2NI - Secondary Operating Reserve | £2.9m | active |
| 3 | TOR1 L3NI - Tertiary 1 Operating Reserve | £2.9m | active |
| 4 | TOR2 L4NI - Tertiary 2 Operating Reserve | £2.9m | active |
| 5 | RRD L5NI - Replacement Reserve (De-Synchronised) | £2.9m | active |