Skip to main content

We've saved some files called cookies on your device. These cookies are:

  • essential for the site to work
  • to help improve our website by collecting and reporting information on how you use it

We would also like to save some cookies to help tailor communications.

BETA
You're viewing an updated version of this service - your feedback will help us to improve it.

UK4

LirIC EPCI HVDC Interconnector Converter Stations

  • First published: 03 June 2025
  • Last modified: 03 June 2025
  • Version: N/A
  • This file may not be fully accessible.

  •  

Information icon

The buyer is not using this website to administer the notice.

To record your interest or obtain additional information or documents please find instructions within the Full Notice Text. (NOTE: Contract Award Notices and Prior Information Notices do not normally require a response)

Information icon
You are viewing an expired notice.

Contents

Summary

OCID:
ocds-h6vhtk-04e9a2
Published by:
TI LirIC Limited
Authority ID:
AA86918
Publication date:
03 June 2025
Deadline date:
20 June 2025
Notice type:
UK4
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

This Tender Notice coincides with the launch of the procurement process for Engineering, Procurement, Construction, Installation and Commissioning (EPCI) for the Converter Station works in relation to the LirIC HVDC Interconnector located between Scotland and Northern Ireland (NI). This Tender Notice is linked to a Request to Participate event in the Delta eSourcing platform where potential bidders are asked to provide certain information followed by an indication of the Lot they wish to bid for.Previous publications This Tender Notice follows the UK3 Planned Procurement Notice published on 5 March 2025. Reference: 2025/S 000-007974TI LirIC Limited is a wholly owned subsidiary of Transmission Investment (TI), a leading UK-based energy and utility investment platform. TI is part of TAQA Transmission, a subsidiary of the TAQA Group.The LirIC Project TI LirIC Limited is engaged in the development of an up to 700MW High Voltage Direct Current (HVDC) electricity interconnector project that will connect the Great Britain (GB) and Irish (I-SEM) transmission networks. This project is called the "LirIC" Project (https://tinv.com/intercon-projects/liric/).The project will link grid connection points in the GB and Northern Irish transmission grids.The LirIC interconnector shall utilise Voltage Source Converter (VSC) technology and the configuration shall be a Symmetrical Monopole. The rated DC voltage shall be +/-320 kV.The link shall be bi-directional and shall have a rated power (receiving end) of 700 MWThe LirlC Project componentsThe main components of the LirIC Project will comprise:• Lot A Group (to which this Tender Notice relates):• HVDC to HVAC VSC Converter Stations in both Scotland and Northern Ireland with associated civil and building works; and•LOT B Group (under a separate Tender Notice in respect of the LirIC Project) • Two (2) 320kV HVDC Cables onshore and offshore between Scotland and Northern Ireland over a route of approximately 140km, plus • One (1) 400kV HVAC Cable connection from the Scottish converter station to the Scottish grid over a route of approximately 1km.NOTE: The works and services for Lot B Group are not being procured by means of this Tender Notice and bidders should refer to the separate publication.The Project has been awarded an 'in principle' cap and floor arrangement in Great Britain by Ofgem and a transmission licence in Northern Ireland. The Project is targeting a Financial Close in Q3 2027.Preliminary Market EngagementTI LirIC Limited has conducted Preliminary Market Engagement prior to publication of this Tender Notice and encourages further collaboration between OEM's and Construction Contractors to establish bidding arrangements in time for the next step of the Procurement Process (notably the Qualification Questionnaire).Any prospective bidder wishing to receive the final Pre-Tender bulletin should contact the contracting authority by email. Request to Participate (RTP)Respondents wishing to participate are requested to register in Delta eSourcing (via the link https://www.delta-esourcing.com/).The Link to the Request to Participate event for all Lotting options in Lot Group A can be found in this Tender Notice. Information relating to each Lot covered under this notice can be found below in this Tender Notice. Bidders will only be allowed to choose one Lot.Any questions relating to the RTP must be sent through the Delta message center.For the avoidance of doubt, TI LirIC Limited does not consider itself to be bound by the Procurement Act 2023 or any associated procurement legislation (together, "UK procurement legislation"). Accordingly, the procurement for the award of Converter Stations and Civil & Building Works as further described in this notice and any associated documents (the "Procurement") is not, nor does it purport to be, subject to UK procurement legislation. For the avoidance of doubt, interested suppliers are put on notice that the publication of this document and any othe

Full notice text

Scope

Procurement description

This Tender Notice coincides with the launch of the procurement process for Engineering, Procurement, Construction, Installation and Commissioning (EPCI) for the Converter Station works in relation to the LirIC HVDC Interconnector located between Scotland and Northern Ireland (NI).

This Tender Notice is linked to a Request to Participate event in the Delta eSourcing platform where potential bidders are asked to provide certain information followed by an indication of the Lot they wish to bid for.

Previous publications

This Tender Notice follows the UK3 Planned Procurement Notice published on 5 March 2025. Reference: 2025/S 000-007974

TI LirIC Limited is a wholly owned subsidiary of Transmission Investment (TI), a leading UK-based energy and utility investment platform. TI is part of TAQA Transmission, a subsidiary of the TAQA Group.

The LirIC Project

TI LirIC Limited is engaged in the development of an up to 700MW High Voltage Direct Current (HVDC) electricity interconnector project that will connect the Great Britain (GB) and Irish (I-SEM) transmission networks. This project is called the "LirIC" Project (https://tinv.com/intercon-projects/liric/).

The project will link grid connection points in the GB and Northern Irish transmission grids.

The LirIC interconnector shall utilise Voltage Source Converter (VSC) technology and the configuration shall be a Symmetrical Monopole. The rated DC voltage shall be +/-320 kV.

The link shall be bi-directional and shall have a rated power (receiving end) of 700 MW

The LirlC Project components

The main components of the LirIC Project will comprise:

• Lot A Group (to which this Tender Notice relates):

• HVDC to HVAC VSC Converter Stations in both Scotland and Northern Ireland with associated civil and building works; and

•LOT B Group (under a separate Tender Notice in respect of the LirIC Project)

• Two (2) 320kV HVDC Cables onshore and offshore between Scotland and Northern Ireland over a route of approximately 140km, plus

• One (1) 400kV HVAC Cable connection from the Scottish converter station to the Scottish grid over a route of approximately 1km.

NOTE: The works and services for Lot B Group are not being procured by means of this Tender Notice and bidders should refer to the separate publication.

The Project has been awarded an 'in principle' cap and floor arrangement in Great Britain by Ofgem and a transmission licence in Northern Ireland. The Project is targeting a Financial Close in Q3 2027.

Preliminary Market Engagement

TI LirIC Limited has conducted Preliminary Market Engagement prior to publication of this Tender Notice and encourages further collaboration between OEM's and Construction Contractors to establish bidding arrangements in time for the next step of the Procurement Process (notably the Qualification Questionnaire).

Any prospective bidder wishing to receive the final Pre-Tender bulletin should contact the contracting authority by email.

Request to Participate (RTP)

Respondents wishing to participate are requested to register in Delta eSourcing (via the link https://www.delta-esourcing.com/).

The Link to the Request to Participate event for all Lotting options in Lot Group A can be found in this Tender Notice.

Information relating to each Lot covered under this notice can be found below in this Tender Notice.

Bidders will only be allowed to choose one Lot.

Any questions relating to the RTP must be sent through the Delta message center.

For the avoidance of doubt, TI LirIC Limited does not consider itself to be bound by the Procurement Act 2023 or any associated procurement legislation (together, "UK procurement legislation"). Accordingly, the procurement for the award of Converter Stations and Civil & Building Works as further described in this notice and any associated documents (the "Procurement") is not, nor does it purport to be, subject to UK procurement legislation. For the avoidance of doubt, interested suppliers are put on notice that the publication of this document and any other document that relates to this Procurement is published voluntarily and nothing in this document, or any other document that TI LirIC Limited publishes in relation to this Procurement should be construed as purporting to give rise to rights or obligations under UK procurement legislation.

For more information about this opportunity, please visit the Delta eSourcing portal at:

https://www.delta-esourcing.com/tenders/UK-UK-London:-Power-converters./83SUP8Q464

To respond to this opportunity, please click here:

https://www.delta-esourcing.com/respond/83SUP8Q464

Main category

Works

Delivery regions

  • UKM93 - East Ayrshire and North Ayrshire mainland
  • UKN06 - Belfast

Total value (estimated, excluding VAT)

453000000.00 GBP to 453000000.00GBP

Contract dates (estimated)

01 March 2026, 00:00AM to 01 October 2032, 00:59AM

Contracting authority

TI LirIC Limited

Identification register:

  • GB-PPON

Address 1: 17th Floor, 88 Wood Street

Town/City: London

Postcode: EC2V 7DA

Country: United Kingdom

Public Procurement Organisation Number: PWJV-7322-MWTR

NUTS code: UKI31

Contact name: Brian Dunn

Email: brian.dunn@tinv.com

Telephone: 07985244657

Organisation type: Public authority - sub-central government

Procedure

Procedure type

Competitive flexible procedure

Is the total value above threshold?

Above threshold

Trade agreements

Government Procurement Agreement (GPA)

Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP)

Lots

Divided into 3 lots

[Lot A1] LirIC Converter Stations (excluding Civil & Building Works)

Lot number: LOT A1

Description

Two HVDC Converter Stations (at Hunterston and at Kilroot) to the specification highlighted in the scope. Includes Design, Supply, Installation, Testing & Commissioning of the VSC Converter Stations.

It is envisaged that the contract will be made in stages with consideration of a Preferred Supplier Agreement (Capacity Reservation, FEED studies and EPCI Heads of Terms).

Following the completion of the FEED the decision shall be taken on whether to proceed with the award of an EPCI contract for detailed design / engineering, construction and commissioning, and also the decision for the O&M scope. The EPCI contract shall not be subject to a separate Tender Notice.

CPV classifications

  • 31121110 - Power converters
  • 31200000 - Electricity distribution and control apparatus
  • 45231400 - Construction work for electricity power lines
  • 45315400 - High voltage installation work
  • 45317200 - Electrical installation work of transformers
  • 50711000 - Repair and maintenance services of electrical building installations

Delivery regions

  • UKM93 - East Ayrshire and North Ayrshire mainland
  • UKN06 - Belfast

Lot value (estimated)

353000000.00 GBP Excluding VAT

424000000.00 GBP Including VAT

Contract start date (estimated)

01 March 2026, 00:00AM

Contract end date (estimated)

01 October 2032, 00:59AM

Maximum number of lots a supplier can bid for

1

Maximum number of lots a supplier can be awarded

1

Participation

Conditions

Economic

Conditions of participation

Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.

Conditions

Economic

Conditions of participation

Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.

Award criteria

Type: quality

Name

Technical, Scope & Programme (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Type: cost

Name

Cost & Commercials (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

[Lot A2] LirIC Converter Station Civil and Building Works

Lot number: LOT A2

Description

The Civils Design, Enabling, Civils and Building Works associated with the converter stations at Hunterston and at Kilroot.

It is envisaged that the contract will be made in stages with consideration of an Early Contractor Involvement (ECI) arrangement and EPCI Heads of Terms).

Following the completion of the ECI the decision shall be taken on whether to proceed with the award of an EPCI contract for detailed design and construction. The EPCI contract shall not be subject to a separate Tender Notice.

TI LirIC Limited reserves the right to conduct a separate exercise to find a solution for each of the Hunterston and Kilroot civils and building works should an acceptable bid not be forthcoming from this tender exercise.

CPV classifications

  • 45000000 - Construction work

Delivery regions

  • UKM93 - East Ayrshire and North Ayrshire mainland
  • UKN06 - Belfast

Lot value (estimated)

100000000.00 GBP Excluding VAT

120000000.00 GBP Including VAT

Contract start date (estimated)

01 March 2026, 00:00AM

Contract end date (estimated)

01 October 2032, 00:59AM

Maximum number of lots a supplier can bid for

1

Maximum number of lots a supplier can be awarded

1

Participation

Conditions

Economic

Conditions of participation

Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.

Conditions

Economic

Conditions of participation

Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.

Award criteria

Type: quality

Name

Technical, Scope & Programme (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Type: cost

Name

Cost & Commercials (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

[Lot A] LirIC Converter Stations including Civil and Building Works

Lot number: LOT A

Description

This is a combined solution of Lot A1 (Converter Stations) plus Lot A2 (Civil and Building Works).

It is envisaged that the contract will be made in stages with consideration of a Preferred Supplier Agreement (Capacity Reservation, FEED/ECI studies and EPCI Heads of Terms).

Following the completion of the FEED/ECI the decision shall be taken on whether to proceed with the award of an EPCI contract for detailed design / engineering, construction and commissioning, and also the decision for the O&M scope. The EPCI contract shall not be subject to a separate Tender Notice

Additional credit in the evaluation criteria will be given to those bidders who bid for the Lot A combined solution (additional information on the evaluation criteria will be released with the ITT Instructions during the ITT stage)

The estimated value of Lot A is the combined values of Lot A1 and Lot A2.

CPV classifications

  • 31121110 - Power converters
  • 31200000 - Electricity distribution and control apparatus
  • 45000000 - Construction work
  • 45231400 - Construction work for electricity power lines
  • 45315400 - High voltage installation work
  • 45317200 - Electrical installation work of transformers
  • 50711000 - Repair and maintenance services of electrical building installations

Delivery regions

  • UKM93 - East Ayrshire and North Ayrshire mainland
  • UKN06 - Belfast

Lot value (estimated)

0.00 GBP Excluding VAT

0.00 GBP Including VAT

Contract start date (estimated)

01 March 2026, 00:00AM

Contract end date (estimated)

01 October 2032, 00:59AM

Maximum number of lots a supplier can bid for

1

Maximum number of lots a supplier can be awarded

1

Participation

Conditions

Economic

Conditions of participation

Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.

Conditions

Economic

Conditions of participation

Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.

Award criteria

Type: quality

Name

Technical, Scope & Programme (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Type: cost

Name

Cost & Commercials (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Award criteria

Type: quality

Name

Technical, Scope & Programme (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Type: cost

Name

Cost & Commercials (Further information at the ITT Stage)

Weighting: 50

Weighting type: percentageExact

Contract terms and risks

Payment terms

30 days based on agreed milestones.

Submission

Expression of interest deadline

20 June 2025, 13:00PM

Enquiry deadline

13 June 2025, 13:00PM

Date of award of contract

15 February 2026, 23:59PM

Submission address and any special instructions

https://www.delta-esourcing.com

May tenders be submitted electronically?

Yes

Languages that may be used for submission

  • English

Coding

Commodity categories

ID Title Parent category
45000000 Construction work Construction and Real Estate
45231400 Construction work for electricity power lines Construction work for pipelines, communication and power lines
45317200 Electrical installation work of transformers Other electrical installation work
31200000 Electricity distribution and control apparatus Electrical machinery, apparatus, equipment and consumables; lighting
45315400 High voltage installation work Electrical installation work of heating and other electrical building-equipment
31121110 Power converters Generating sets
50711000 Repair and maintenance services of electrical building installations Repair and maintenance services of electrical and mechanical building installations

Delivery locations

ID Description
There are no delivery locations for this notice.

Alert region restrictions

The buyer has restricted the alert for this notice to suppliers based in the following regions.

ID Description
There are no alert restrictions for this notice.

About the buyer

Main contact:
N/a
Admin contact:
N/a
Technical contact:
N/a
Other contact:
N/a

Further information

Date Details
No further information has been uploaded.

0800 222 9004

Lines are open 8:30am to 5pm Monday to Friday.

Rydym yn croesawu galwadau'n Gymraeg.

We welcome calls in Welsh.