TI LirIC Limited (Transmission Investment Group): LirIC EPCI HVDC Interconnector Converter Stations

UK-London: Electricity distribution and control apparatus.

Scope

Description: This planned procurement notice is to give advance information to the market with regards to the upcoming procurement of Converter Station Equipment and Construction (EPCI) for the LirIC HVDC Interconnector between Scotland and Northern Ireland (NI). It is envisaged that this notice will assist potentially interested OEM’s and construction contractors to determine if the planned procurement exercise is something that they wish to bid for and to provide sufficient time for preparation.
Short Description – 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 main components of the LirIC Project will comprise:
•LOT A:
•HVDC to HVAC VSC Converter Stations in both Scotland and Northern Ireland with associated civil and building works; and
•LOT B:
•Up to 2 High Voltage Direct Current (HVDC) electricity cables buried in or placed (and protected) upon the seabed between Northern Ireland (Kilroot) and Scotland (Hunterston) to a route length of approx. 140km.
•HVDC onshore and offshore cable ‘transition bays’ near the shorelines at the landfall points in both Scotland and Northern Ireland; It is expected that at both landfalls horizontal directional drilling (HDD) will be required to facilitate the export cables transition from onshore to offshore.
•HVDC onshore cables from the transition bays to each of the converter stations assumed to be no more than 2km at each site;
•High Voltage AC onshore cables from the Scottish converter station to the Scottish grid connection. The AC connection voltage on the GB side of the link is 400 kV and 275 kV at the NI side. (The High Voltage AC onshore cables from the NI converter station to the NI grid connection will be delivered by others.)
The Project has recently 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.
TI LirIC Limited has already conduced Preliminary Market Engagement prior to publication of this notice but encourages further collaboration between OEM’s and Construction Contractors to establish bidding arrangements in time for the Tender Notice.
TI LirIC Limited will be utilising an electronic tendering portal (Delta) to manage the forthcoming tender exercise and as such interested organisations will need to register on the portal to access the participation documentation. 
Respondents wishing to participate are requested to register in Delta eSourcing (via the link https://www.delta-esourcing.com/) in advance of the forthcoming UK4 Tender Notice which will have a formal step for participation.
To view this notice, please click here:
https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=930951128

Total value (estimated):

GBP 453,000,000 excluding VAT GBP 544,000,000 including VAT

Lots

Lot LOT A1 : LOT A1: LirIC Converter Stations (excluding Civil & Building Works)
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 capacity reservation, FEED studies, LNTP’s and the main EPCI Contract upon FID.
Value (estimated):
GBP 353,000,000 excluding VAT GBP 424,000,000 including VAT
Contract dates (estimated)
15/12/2025 to 15/06/2032
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

Award criteria:



Lot LOT A2 : LOT A2: LirIC Converter Station Civil and Building Works
Description: The Civils Design, Enabling, Civils and Building Works associated with the converter stations at Hunterston and at Kilroot.
Value (estimated):
GBP 100,000,000 excluding VAT GBP 120,000,000 including VAT
Contract dates (estimated)
15/12/2025 to 15/12/2032
CPV Classifications:
45000000 - Construction work.
Delivery regions:
UKM93 East Ayrshire and North Ayrshire mainland
UKN06 Belfast

Award criteria:



Lot LOT A : LOT A: LirIC Converter Stations including Civil and Building Works
Description: This is a combined solution of LOT A1 (Converter Stations) plus LOT A2 (Civil and Building Works)
Value (estimated):
GBP 0 excluding VAT GBP 0 including VAT
Contract dates (estimated)
15/12/2025 to 15/06/2032
CPV Classifications:
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

Award criteria:


   

Submission

Publication date of tender notice (estimated): 06/03/2025 Enquiry deadline: 17/04/2025 Time: 12:00Tender submission deadline: 24/04/2025 Time: 12:00
Submission address and any special instructions: https://www.delta-esourcing.com/
An electronic auction will be used: No
Languages that may be used for submission: English, Award decision date (estimated): 30/11/2025

Procedure

Procedure type: Competitive flexible procedure

Contracting authority

       TI LirIC Limited, PWJV-7322-MWTR
       17th Floor, 88 Wood Street, London, EC2V 7DA, United Kingdom
       Tel. 07985244657, Email: brian.dunn@tinv.com
       Contact: Brian Dunn
       Address of the buyer profile: www.tinv.com

Organisation type: BODY_PUBLIC
Devolved regulations that apply: None