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24/033 - Qualification System for the provision of Engineering, Procurement and Construction Services for South West Scotland Onshore System (SWSOS)
Your path to submission
- Deadline for requests to participate: 20 November 2035 at 12:00 — 3306 days left. Two-stage procedure: by this deadline you submit a request to participate (proof of eligibility). Only shortlisted firms are then invited to submit a tender.
- You submit on eTenders Ireland — not here and not by e-mail. ↗
- Offer and evidence in: English.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
GNI and GNI (UK) are seeking experienced EPCS contractors to deliver a series of critical infrastructure upgrades as part of the SWSOS Decarbonisation Programme, a cornerstone of our commitment to achieving Net Zero by 2050. This tender covers multiple work packages, including the design, procurement, construction, and integration of new electric drive compressor halls across operational sites in Scotland. The successful contractor will manage complex interfaces between new and existing assets, ensuring seamless integration of mechanical, electrical, and control systems, while adhering to stringent cybersecurity and safety standards. This initiative represents a strategic investment in sustainable energy infrastructure and offers an opportunity to collaborate on projects of significant scale and impact within a multinational framework. SCOPE OF REQUIREMENTS: The scope of this tender…
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… encompasses overall project management and delivery across multiple work packages, including but not limited to the following: Detailed Design Procurement Procurement of detailed design for new compressor halls, based on the GNI suite of functional specifications. Materials Procurement Mechanical materials: high-pressure pipework, valves, and fittings. Electrical materials: interconnecting cabling and junction boxes. Instrumentation materials: transmitters and data cabling. Note: The second-stage tender process (CFC) will confirm the final requirements and clarify the full scope boundaries for the electric motor drive (EMD) package and the contractor’s scope. Construction Activities Construction of new compressor halls. Completion of all civil works, including excavations, foundations, structural steel, compressor foundations, and ancillary electrical buildings. Installation of interconnecting pipework, electrical and control cabling, and junction boxes. Integration and System Tie-ins Integration of new electric drive compressors into the existing fleet of gas turbines. Mechanical, electrical, and control system tie-ins at operational compressor stations across GNI UK sites in Scotland. Security and Cybersecurity Installation of security systems and implementation of cybersecurity controls in line with GNI specifications. Testing and Commissioning Full responsibility for FAT and SAT activities. Commissioning and start-up of all new systems. Additional Scope Notes: GNI may procure electric motor drive (EMD) packages separately. GNI will manage all permitting and planning permissions. GNI will separately upgrade incoming site electrical supply to power the new EMD packages. Indicative EPCS Scope Boundary: The EPCS scope is envisaged to cover all elements required for the delivery of an electric drive compressor station as outlined above. A more detailed scope is provided within the Appendices of the Qualification System Questionnaire documents
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every month (4 awards, most recently September 2026) — by that rhythm the next award was due around October 2026. The last award went to Murphy International Ltd.n = 4
- 36% of awards went to companies from abroad (102 awards with a known winner country). Sector average: 2%.n = 102
- 11% of this buyer's awards went to companies that had already won here before (102 awards since 2021, spread over 80 companies). That is well below the sector norm (44%) — this buyer switches suppliers more often than others.n = 102 awards since 2021
- The median procedure drew 2 bids (73 procedures with a bid count); 34% ended with a single bidder. Sector: median 5 bids.n = 73
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
Selection criteria — in the procurement documents
The buyer states in the notice that the selection criteria are in the procurement documents (link on this page), not in the EU form. The document analysis below extracts them from there — bid and evidence in English.
Eligibility analysis from the tender documents
Tender documents — direct download
Part of a larger project
- Procurement and Construction Services for South West Scotland Onshore System (SWSOS)Deadline 20 Novthis lot
- Procurement and Construction Services for South West Scotland Onshore System (SWSOS)?Deadline 20 Nov
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Murphy International Ltd | 2 | 2026 |
| Mercer (Ireland) Limited | 2 | 2024–2026 |
| Integrity360 | 2 | 2023–2024 |
| All Awarded suppliers | 2 | 2023–2025 |
| Bauer Kompressoren UK Ltd | 2 | 2026 |
How often this buyer tenders this kind of work
Contracting authority contact
Tactics
When this buyer has awarded in this sector, usually only one or two bids came in. A solid bid has a real chance here. (Based on 4 completed awards — not a statement about this procedure.)
This procedure allows 3653 days between publication and deadline — typical in this country is 31 (median of 876 procedures). Much more generous than usual — time for a thorough bid rather than a quick one.
Foreign bidders
In Ireland · Construction work, 129 contracts went to foreign companies over the last 3 years (of 9,914 recorded awards) — mostly from United Kingdom, Greece, Germany.
Submission language: English.
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