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In deliveryUnited KingdomWorksFramework agreement£362,000,000Add to pipeline

T322 NIEN Transmission Substation Turnkey (Amended)

Awarded to Adman Civil Projects Ltd, Aureos Energy Ltd, H&MV Engineering Services Limited +2 more

Northern Ireland Electricity Networks Limited(buyer)

Published
Published 6 April 2025
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Overview

Northern Ireland Electricity Networks Limited has awarded a multi-party framework agreement worth £362.4 million for turnkey transmission substation works across two lots: larger substations (110–400kV, £25–£100m per project) and medium-scale substations (33–275kV, £1–£25m per project). The scope includes electrical, mechanical, civil, and enabling works, local overhead lines and cables, with flexibility to use Design and Build or Engineering Procurement and Construction delivery models. The framework has been awarded to five contractors: Adman Civil Projects Ltd, Aureos Energy Ltd, H&MV Engineering Services Limited, Murphy International Limited, and Siemens Energy Ltd.

Contracting authority

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Reveal decision makers

Lots (2)

  • Larger scale transmission substations

    £234,000,000Won by Adman Civil Projects LtdWon by H&MV Engineering Services LimitedWon by Siemens Energy Ltd

  • Medium Scale Substations

    £128,400,000Won by Aureos Energy LtdWon by Murphy International LimitedWon by Adman Civil Projects Ltd

Key details

Country
United Kingdom
Status
In delivery
Category
Works
Estimated value
£362,000,000
Procedure
Competitive flexible procedure
Rules
Procurement Act 2023
Contract type
Framework agreement
SME suitable
Yes
Published
6 April 2025
Questions by
30 April 2025
Classification (CPV)
Substation construction work

Award outcome

Awarded value
£362,400,000
Award date
21 June 2026
Contract period
31 March 2026 → 1 April 2031
Contract length
5 years
Could run to
30 June 2034
Winners
  • Adman Civil Projects Ltd
  • Aureos Energy Ltd
  • H&MV Engineering Services Limited
  • Murphy International Limited
  • Siemens Energy Ltd

This contract ends on 1 April 2031, or 30 June 2034 if every extension is used.

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Competition and scoring

How bids were scored

Price 40% · Quality 60%

  • Price40%
  • Technical60%

Price and cost criteria in black, quality in blue.

Market context

Typical award in Construction work

£160,000

Median of 19,399 awards in the last 24 months

This award is 2265.0× the median.

Northern Ireland Electricity Networks Limited in the last 12 months

15

contracts awarded, worth £393,042,299 in total

See their procurement profile →

Recent awards in Construction work

The latest contracts other buyers awarded under the same classification.

Notice history

Every published notice in this contracting process, newest first.

  1. Contract

    22 June 2026

  2. Tender Update

    18 April 2025

  3. Tender Update

    18 April 2025

  4. Contract Notice

    6 April 2025

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