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The MaresConnect 750MW HVDC Interconnector System

Contracting Authority

MaresConnect Limited (MCL)

Sector

Transport

Deadline

Not specified

Estimated Value

Not disclosed

Value Range

Not disclosed

Procedure

Open Procedure

Procurement Type

Not specified

Published

2026-10-05

Resource ID

681481-2026

CPV Classification

Common Procurement Vocabulary: the EU codes that classify what this contract is for.

  • 45231400Construction work
  • 45232221Construction work
  • 45232220Construction work
  • 45314310Construction work
  • 31170000Electrical machinery, apparatus, equipment and consumables; lighting
  • 45251110Construction work
  • 31214000Electrical machinery, apparatus, equipment and consumables; lighting
  • 31682540Electrical machinery, apparatus, equipment and consumables; lighting
  • 31320000Electrical machinery, apparatus, equipment and consumables; lighting

Summary

MaresConnect Limited is procuring services and materials for a 750MW HVDC (High Voltage Direct Current) interconnector system. This is a major electricity transmission infrastructure project involving the design, supply, and installation of subsea or terrestrial HVDC cables, associated power conversion equipment, and supporting electrical infrastructure to enable cross-border electricity transmission.

The project encompasses cable manufacturing, installation works, electrical systems, and related civil engineering.

Keywords

HVDC interconnectorhigh-voltage direct currentsubmarine cable installationelectricity transmissiongrid infrastructure
Search Notice on eTenders.gov.ieView Official Notice

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The MaresConnect 750MW HVDC Interconnector System

Buyer
MaresConnect Limited (MCL)
Deadline
Not specified
Value
Not disclosed

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Subject: Tender worth a look: The MaresConnect 750MW HVDC Interconnector System

Hi,

This public tender looks relevant to us:

The MaresConnect 750MW HVDC Interconnector System
Buyer: MaresConnect Limited (MCL)
Deadline: Not specified
Estimated value: Not disclosed

Details and the official notice: https://tenderwatch.ie/tender/681481-2026/the-maresconnect-750mw-hvdc-interconnector-system?via=colleague

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3 FREE LOOKUPS / MONTH WITH SIGN-INPREVIEW · 2 OF 4 SIGNALS VISIBLE
TENDER DOSSIER · 681481-2026 · CPV 45PREVIEW · 2 OF 4 SIGNALS VISIBLE

The MaresConnect 750MW HVDC Interconnector System

Buyer & BenchmarkMaresConnect Limited (MCL) · CPV 45 median award €357,123 (IQR €120,472 to €1,372,205, n=1,580) · Median 4 bids
Top Matched BiddersBrooklyn Engineering Services (45.8/100 fit) · CN Technical Services Ltd (45.8/100 fit)
Bidder Shortlist (#3-5)Electric Skyline Ltd (45.8/100) · Hall Power Ltd (45.8/100) · Molloy Consulting Engineers Limited (45.8/100) · CRO B1 & ESPD pre-qualification verified
Buyer Spend & HistoryAll MaresConnect Limited (MCL) contract awards -> · Browse >EUR 20k supplier payment register ->

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1. Deadline & Procedure WindowNaN days left

Deadline has passed or closes today. Open Procedure: single-stage submission where ESPD eligibility, technical response, and pricing are submitted together.

2. Estimated Turnover Cap & ThresholdNot disclosed

Notice does not disclose an exact euro figure (Not disclosed). Check the ESPD or RFT document on eTenders for the stated minimum turnover requirement.

YOUR BID DECISION VERDICTEligible to Bid: Baseline Fit Confirmed

Your selected turnover band (EUR 250k to EUR 1M), Tax Clearance and insurance readiness, and reference profile align with the standard OGP baseline for this notice.

3. Your Profile Fit & Knockout VerdictStrong baseline fit

Your selected turnover band (EUR 250k to EUR 1M), Tax Clearance and insurance readiness, and reference profile align with the standard OGP baseline for this notice.

4. Competition & Pricing BenchmarkMedian 4 bids · EUR 357k

Across 1,580 Irish CPV 45 awards, the median contract award is EUR 357k (typical range EUR 120k to EUR 1.4M), with a median of 4 tenders received per competition.

5. Buyer Track Record & Likely Contenders3 matched suppliers

Suppliers with matching CPV and sector track records include: Brooklyn Engineering Services (45.8/100 fit), CN Technical Services Ltd (45.8/100 fit), Electric Skyline Ltd (45.8/100 fit).

6. Mandatory Sector & RFT ComplianceTransport rules

Standard Transport requirements: Tax clearance.

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