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PROCUREMENT OPPORTUNITY

LirIC EPCI HVDC Interconnector Converter Stations

TI LirIC Limited · Planned procurement notice on Find a Tender

Tender information last checkedLast checked 29 Sept 2026, 22:25.

Opportunity overview

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

Classification

  • CPV31121110 — Power converters
  • CPV31200000 — Electricity distribution and control apparatus
  • CPV45000000 — Construction work
  • CPV45231400 — Construction work for electricity power lines
  • CPV45315400 — High voltage installation work
  • CPV45317200 — Electrical installation work of transformers
  • CPV50711000 — Repair and maintenance services of electrical building installations

Lots

  • [Lot A] LirIC Converter Stations including Civil and Building WorksValue not stated
  • [Lot A1] LirIC Converter Stations (excluding Civil & Building Works)£353m
  • [Lot A2] LirIC Converter Station Civil and Building Works£100m

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-04e9a2
Status
active
Published risks
The value of any contract exceeding the estimated values in the tender notice(s). The Commercial Operations Date exceed the Ofgem Window 3 back-stop date (end 2032).
Above Threshold
Yes
Procurement Method
open
Main Procurement Category
works
Procurement Method Details
Competitive flexible procedure
Expression Of Interest Deadline
20 Jun 2025, 13:00

Covered By

GPA
CPTPP

Procedure

Features
It is intended to procure the Lots via a multi-stage process. For all Lots in Lot A Group the first stage will involve a Request to Participate event followed by an ITT. For Lots A1 & Lot A, the ITT will involve the release of all documentation to potential bidders for both Qualification and Request for Proposal (RFP). The Qualification event will complete before the RFP to allow Qualified bidders the additional time to complete the RFP. For Lot A2 the ITT will involve two stages: a Qualification stage followed by an RFP. For the avoidance of doubt, TI LirIC 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 publishes in relation to this Procurement should be construed as purporting to give rise to rights or obligations under UK procurement legislation.

Legal basis

Id
2023/54
Scheme
UKPGA

Lot Details

Maximum Lots Bid Per Supplier
1
Maximum Lots Awarded Per Supplier
1

Expected award period

Ends
15 Feb 2026, 23:59

Communication

Future Notice Date
6 Mar 2025, 23:59

Contract terms

Financial Terms
30 days based on agreed milestones.

Enquiry period

Ends
13 Jun 2025, 13:00

Submission terms

Electronic Submission Policy
allowed

Languages

en

Lots and requirements

Entry 1
Id
LOT A1
Title
[Lot A1] LirIC Converter Stations (excluding Civil & Building Works)
Status
active
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.

Value

Amount
353,000,000
Currency
GBP
Including VAT
424,000,000

Award criteria

Criteria

Criterion 1
Name
Technical, Scope & Programme (Further information at the ITT Stage)
Type
quality

Numbers

Entry 1
Number
50
Weight
percentageExact
Criterion 2
Name
Cost & Commercials (Further information at the ITT Stage)
Type
cost

Numbers

Entry 1
Number
50
Weight
percentageExact

Contract period

Ends
1 Oct 2032, 00:59
Starts
1 Mar 2026, 00:00

Selection criteria

Criteria

Criterion 1
Type
economic
Description
Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.
Criterion 2
Type
technical
Description
Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.
Entry 2
Id
LOT A2
Title
[Lot A2] LirIC Converter Station Civil and Building Works
Status
active
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.

Value

Amount
100,000,000
Currency
GBP
Including VAT
120,000,000

Award criteria

Criteria

Criterion 1
Name
Technical, Scope & Programme (Further information at the ITT Stage)
Type
quality

Numbers

Entry 1
Number
50
Weight
percentageExact
Criterion 2
Name
Cost & Commercials (Further information at the ITT Stage)
Type
cost

Numbers

Entry 1
Number
50
Weight
percentageExact

Contract period

Ends
1 Oct 2032, 00:59
Starts
1 Mar 2026, 00:00

Selection criteria

Criteria

Criterion 1
Type
economic
Description
Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.
Criterion 2
Type
technical
Description
Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.
Entry 3
Id
LOT A
Title
[Lot A] LirIC Converter Stations including Civil and Building Works
Status
active
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.

Value

Amount
0
Currency
GBP
Including VAT
0

Award criteria

Criteria

Criterion 1
Name
Technical, Scope & Programme (Further information at the ITT Stage)
Type
quality

Numbers

Entry 1
Number
50
Weight
percentageExact
Criterion 2
Name
Cost & Commercials (Further information at the ITT Stage)
Type
cost

Numbers

Entry 1
Number
50
Weight
percentageExact

Contract period

Ends
1 Oct 2032, 00:59
Starts
1 Mar 2026, 00:00

Selection criteria

Criteria

Criterion 1
Type
economic
Description
Specified in the pre-selection stage (RTP) and for those bidders selected for the Qualification Questionnaire (QQ) Stage.
Criterion 2
Type
technical
Description
Specified in the Qualification Instructions available for downloading for bidders participating at the Qualification Questions (QQ) Stage.

Items and delivery

Item 1
Id
LOT A1
Related Lot
LOT A1

Delivery locations

Entry 1
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 3
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 4
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 5
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 6
Region
UKN06
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
31121110
Scheme
CPV
Description
Power converters
Entry 2
Id
31200000
Scheme
CPV
Description
Electricity distribution and control apparatus
Entry 3
Id
45231400
Scheme
CPV
Description
Construction work for electricity power lines
Entry 4
Id
45315400
Scheme
CPV
Description
High voltage installation work
Entry 5
Id
45317200
Scheme
CPV
Description
Electrical installation work of transformers
Entry 6
Id
50711000
Scheme
CPV
Description
Repair and maintenance services of electrical building installations
Item 2
Id
LOT A2
Related Lot
LOT A2

Delivery locations

Entry 1
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 3
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 4
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 5
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 6
Region
UKN06
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
45000000
Scheme
CPV
Description
Construction work
Item 3
Id
LOT A
Related Lot
LOT A

Delivery locations

Entry 1
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 3
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 4
Region
UKN06
Country
GB
Country Name
United Kingdom
Entry 5
Region
UKM93
Country
GB
Country Name
United Kingdom
Entry 6
Region
UKN06
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
31121110
Scheme
CPV
Description
Power converters
Entry 2
Id
31200000
Scheme
CPV
Description
Electricity distribution and control apparatus
Entry 3
Id
45000000
Scheme
CPV
Description
Construction work
Entry 4
Id
45231400
Scheme
CPV
Description
Construction work for electricity power lines
Entry 5
Id
45315400
Scheme
CPV
Description
High voltage installation work
Entry 6
Id
45317200
Scheme
CPV
Description
Electrical installation work of transformers
Entry 7
Id
50711000
Scheme
CPV
Description
Repair and maintenance services of electrical building installations

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest
Entry 2
Id
025797-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
23 May 2025, 10:05
Entry 3
Id
025796-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
23 May 2025, 10:05

Planning and budget

Documents

Entry 1
Id
007974-2025
Format
text/html
Notice Type
UK3
Description
Planned procurement notice on Find a Tender
Document Type
plannedProcurementNotice
Published
5 Mar 2025, 10:05

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PWJV-7322-MWTR
Name
TI LirIC Limited

Roles

buyer

Address

Region
UKI31
Country
GB
Locality
London
Postal Code
EC2V 7DA
Country Name
United Kingdom
Street Address
17th Floor, 88 Wood Street

Details

Classifications

Entry 1
Id
publicAuthoritySubCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - sub-central government

Identifier

Id
PWJV-7322-MWTR
Scheme
GB-PPON

Contact

Name
Brian Dunn
Telephone
07985244657

Recorded locations

  • Buyer location · London · UKI31 · EC2V 7DA · United Kingdom
  • Delivery location · UKM93 · United Kingdom
  • Delivery location · UKN06 · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-04e9a2-2025-05-23T10:05:13+01:00Planned procurement notice on Find a Tender ·