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The MaresConnect 750MW HVDC Interconnector System

Contracting Authority

MaresConnect Limited (MCL)

Sector

Construction

Deadline

Not specified

Updated by corrigendum 5 Oct 2026

Estimated Value

Not disclosed

Value Range

Not disclosed

Procedure

Restricted Procedure

Procurement Type

Not specified

Published

2026-09-29

Resource ID

667588-2026

Notice updates & deadline changes (2)

  • Notice 673645-2026Published 2026-09-30
  • Notice 681481-2026Published 2026-10-05

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

Design, supply, and installation of a 750MW High-Voltage Direct Current (HVDC) interconnector system, likely involving submarine or underground cable infrastructure to connect electricity grids across borders. The project encompasses electrical equipment procurement, cable systems, onshore and offshore installation works, and associated grid connection infrastructure.

Keywords

HVDC transmissionsubmarine cable systemsinterconnector constructionelectrical infrastructurecross-border energy
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

Email preview

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/667588-2026/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 · 667588-2026 · 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 BiddersBMCC Energy Ltd (59.2/100 fit) · A and L Electrical Ltd (52.5/100 fit)
Bidder Shortlist (#3-5)AGC CONSTRUCTION (52.5/100) · Better Energy Management ltd (52.5/100) · BRENNAN ELECTRICAL CONTRACTORS (52.5/100) · CRO B1 & ESPD pre-qualification verified
Buyer Spend & HistoryAll MaresConnect Limited (MCL) contract awards -> · Browse >EUR 20k supplier payment register ->

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Set your company profile in one click below to check the OGP 2x turnover cap, deadline window, CPV competition benchmark, buyer award history, and mandatory Construction compliance rules.

1. Deadline & Procedure WindowNaN days left

Deadline has passed or closes today. Restricted Procedure: two-stage process where Stage 1 is a Pre-Qualification (ESPD/SAQ) shortlist before full pricing.

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: BMCC Energy Ltd (59.2/100 fit), A and L Electrical Ltd (52.5/100 fit), AGC CONSTRUCTION (52.5/100 fit).

6. Mandatory Sector & RFT ComplianceConstruction rules

Standard Construction requirements: Tax clearance; Safety Statement (Health and Safety); Public Works Contract compliance.

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