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Published 21 Dec 2023, 16:46 GMT

Official UK procurement notice

SPT - Strategic Agreement for Transmission Overhead Line Works

Official notice

Authority: SP Transmission plc

Framework agreement3 lotsWorksNegotiated procedure with prior call for competition
Framework ceiling (notional)£3,000,000,000total for 3 lots · framework ceiling, not attributable revenue
Submissions closed 31 Jan 2024awarded 2 Dec 2024
Lots 3see the lot list below

What is being bought3 lots · detail below

Published requirement description

SPT has appointed partners with the capacity and capability to deliver its strategic infrastructure priorities through a strategic collaborative delivery model.

The agreement comprises three (3) Lots: -

  • Lot 1 is for 400kV Overhead Line Works involving a HTLS (High Temperature Low Sag) conductor system
  • Lot 2 is for 275kV and 400kV Overhead Line Works
  • Lot 3 is for 132kV Overhead Line Works

The partners appointed to the agreement may be allocated projects and they will provide engineering and design, procure any materials and equipment, and carry out the construction works as per the agreed design with SPT.

The contractual arrangements comprise a main Framework Agreement regulating the rights and obligations of SPT and the partners, with call-off contracts for individual packages using the NEC4 family of contracts.

There is no guarantee, express or implied, that the appointed partners under the Framework Agreement will receive any, or a particular volume or value of work.

CPV: Construction work for electricity power lines

How this framework works

From the published notice
Bids received
8 bids on the busiest of 3 lots · 8 suppliers appointed

Lots and requirements (3)Procurement structure

3 lots · all with a published value · same evaluation weights on every lot
Lot #1Design & Construction of 400kV Overhead Lines with HTLSCancelledRenewalPublished value£600,000,000

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice).

Delivery: Scotland · SPT plan to work on a number of 400kV OHL with HTLS projects within this scope across its licence area covering central and southern Scotland.
Extensions: The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement. · The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.Variant bids: not allowed
Lot #2Design & Construction of 275kV and 400kV Overhead LinesCancelledRenewalPublished value£1,875,000,000

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice)

Delivery: Scotland · SPT plan to work on a number of 275kV and 400kV OHL projects within this scope across its licence area covering central and southern Scotland.
Extensions: The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement. · The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.Variant bids: not allowed
Lot #3Design & Construction of 132kV Overhead Line WorksCancelledRenewalPublished value£525,000,000

Please refer to the contract notice that was published on 21 December 2023 with notice reference 2023/S 000-037752 (the Contract Notice).

Delivery: Scotland · SPT plan to work on a number of 132kV OHL projects within this scope across its licence area covering central and southern Scotland.
Extensions: The duration of the Framework Agreement is 5 years, but extendable up to 10 years (in aggregate) at SPT's option. The duration of call-off contracts for specific packages may extend beyond the end of the overarching Framework Agreement. · The duration of the Framework Agreement is an initial 5 years, but extendable up to a maximum of 10 years at SPT's option.Variant bids: not allowed

What it takes to win
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How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored · same split on all 3 lots
Quality: 50%Price: 50%
Published sub-criteria (2)
  • Non-Commercial: 50%
  • Commercial: 50%
Published award criteria (2)
  • Non-Commercial: 50%
  • Commercial: 50%
Lot distribution rule: Where more than one Lot may be awarded to the same bidder, SPT reserves the right to award contracts combining several or all Lots. Bidders can bid for one, two or all three Lots.
Conditions of participation1
  • Suitability

    Please refer to the AQ

Legal form for consortia
Where a group of economic operators are bidding, SPT may require the group to assume a specific legal form for the purpose of the award of the Framework Agreement, or to require that each economic operator assumes joint and several liability.
Shortlisting
Please refer to the rules and criteria for participation and shortlisting as stated in the AQ.
What this means for your bid
  • Price carries 50 of 100 points: a 10% discount moves about 5 points. This one is won on the number: sharpen the price before polishing the prose.
  • “SPT - Strategic Agreement for Transmission Overhead Line Works” is a framework: the contest is a place on its panel, not a single contract.

Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.

Procedure terms & legal framework

From the official record · publisher note attached
Procedure method
Negotiated procedure with prior call for competition
Legal basis
CELEX · 32014L0025 Utilities Contracts Regulations 2016 (Directive 2014/25/EU)
Procurement category
Works
Notice status
Awarded
Procurement threshold
Unspecified in notice
Regulatory regime
Standard
Commercial structure
Framework agreement
Who may use this agreement
Not stated in the notice; call-off rights may be limited to the establishing authority
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
No (one-off requirement)
First published
21 Dec 2023, 16:46 GMT
Last source update
22 Aug 2025, 13:35 BST
Authority reference
SPT-OHL-SA
FTS notice number
2025/S 000-050887
Classification (CPV)
Construction work for electricity power lines
Delivery area
Scotland (UKM)
Official registry OCID
ocds-h6vhtk-04295b Find a Tender
Contract terms
Electronic trading
e-invoicing allowed · electronic ordering · electronic payment
Performance terms

Please refer to the contract documentation

Review and risk notes
Review procedure

Any proceedings relating to a breach of a duty owed by SPT to an economic operator under the Utilities Contracts (Scotland) Regulations 2016 in relation to this procurement must be started within 30 days beginning with the date when the economic operator first knew or ought to have known that grounds for starting the proceedings had arisen unless the court considers that there is a good reason for extending the period within which proceedings may be brought, in which case the court may extend that period up to a maximum of 3 months from that date.

Publisher note: All financial values stated in this notice are calculated using current prices plus assumed inflation based on RPI forecast rates to 2034. All values are estimates only and the final outturn values will depend on the precise works and services required to be delivered, the means of delivery, the way in which programme and project risks materialise, the actual rates of inflation up to completion of the programme, and other factors. The precise details of each identified project, including specific location, route, form of electricity network infrastructure, construction methodology, and any associated mitigation or enhancement schemes are indicative and remain to be confirmed. The final project details are subject to all necessary consents being obtained (such as any required DCO, Electricity Act 1989 consent or planning permission), the requirements of those consents, and the terms of any necessary land rights to be secured to enable project delivery. SPT gives no commitment as to the basis on which any necessary consents or land rights will be applied for, or obtained. This Framework Agreement, along with other framework agreements that SPT may procure through separate procurement processes, will contribute to SPT's delivery of its strategic projects under the Holistic Network Design (HND) model (which are funded by the Accelerated Strategic Transmission Investment, Large Onshore Transmission Investment and Medium Sized Investment Project frameworks) as well as any baseline projects forming part of SPT's RIIO-T2 and RIIO-T/3 price control settlements and any customer connection projects that SPT considers appropriate to be delivered under this model. For the avoidance of doubt, SPT may have separate arrangements for the delivery of similar works to the works which SPT intends to procure under the Framework Agreement but such arrangements may be based on a different delivery model. It is currently anticipated that SPT's HND programme will be delivered by the partners through these Framework Agreements and the call-off contracts awarded under them, and the full scope of that is included in the scope advertised by this notice. However, and without limiting that, the works and services awarded to the partners through this Framework Agreement, and the other framework agreements, may extend beyond work required for the HND programme to involve additional works and services, through the award of further contracts in reliance on the procedure in Regulation 48(4)(e) of the Utilities Contracts (Scotland) Regulations 2016 concerning direct awards for new works, services or both, consisting of the repetition of similar works or services. Any contracts for new works or services consisting of the repetition of similar works or services will (as relevant in the circumstances) conform to the requirements of SPT's HND programme and / or for a particular project for which contracts are called-off under these Framework Agreements

How it was run

Official notice
Appointment period ends
31 Jan 2024, 12:00 GMT
Submission channel
{"written"}
Accepted languages
en
Supplier levy on call-offs (max %)
document
Bid validity
180 days from the deadline
Deposits and guarantees

SPT may require that suppliers provide a parent company guarantee/guarantees or other form of suitable security (depending on the corporate structure) to cover all call-off contracts which may be issued to them under the Framework Agreement. Any bond requirements would be set out on a case-by-case basis in each call-off contract. Further details will be provided in the procurement documents.

Timeline

31 Jan 2024 → 22 Aug 2025 · 3 dates
  1. Admission / appointment period endsperiod end, not a bid countdown
    31 Jan 2024, 12:00 GMT
  2. Invitations to tender expected
    26 Feb 2024
  3. Notice published
    22 Aug 2025, 13:35 BST

Notice history

1 event · 2 releases on Find a Tender
  1. Status changed to complete
    22 Aug 2025, 13:35 BST

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Suppliers appointed 8admitted to the panel · see the list ↓
Bids received 8busiest of 3 lots
Contracts signed 3latest 2 Dec 2024

3 suppliers are admitted to this framework without individual award values or dates, see the supplier list below.

Contracts

  • Design & Construction of 400kV Overhead Lines with HTLS

    Signed
    2 Dec 2024
    Value
    £600,000,000
    Status
    active
  • Design & Construction of 275kV and 400kV Overhead Lines

    Signed
    2 Dec 2024
    Value
    £1,875,000,000
    Status
    active
  • Design & Construction of 132kV Overhead Line Works

    Signed
    2 Dec 2024
    Value
    £525,000,000
    Status
    active

Bid statistics published by the authority

LotBidsSMEVCSEValid bid range
1 · Design & Construction of 400kV Overhead Lines with HTLS3bids · 3 electronic———
2 · Design & Construction of 275kV and 400kV Overhead Lines6bids · 6 electronic———
3 · Design & Construction of 132kV Overhead Line Works8bids · 8 electronic———

Contracting authority & participating public bodies

SP TRANSMISSION PLC

Contracting authorityElectricity GB-COH: SC189126 320 St. Vincent Street, Glasgow, Scotland, G2 5ADContact name, email Published organisation website ↗

Dispute resolution & review bodies

  • Glasgow Sheriff CourtReview body Glasgow

Framework contractors & participating bidders

8 commercial parties on the notice

Official documents & specifications (2)

Official links; attachments are not copied

Tender pack and attachments

  • Economic and financial selection criteriatenderEconomic and financial selection criteria
  • Technical selection criteriatenderTechnical selection criteria