T322 NIEN Transmission Substation Turnkey (Amended)

Awarded 01 Jul 2026

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Awarded from what looks like this tenderB930 (2026) Civil Engineering Works
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Awarded01 Jul 2026
Value£280,800,000.00
RegionUnited Kingdom
CategoryEnergy & Environment
Expires in 4y 8mo5y term, 7% elapsed
Awarded 1 July 2026Expires 30 June 2031

It is proposed to establish a Multi-Party Framework which will consist of two lots, • Lot 1 will consist of larger scale substations with a range between 110 – 400kV and an estimated cost range between £25 to £100m.

• Lot 2 will consist of medium scale substations with a range between 33 – 275kV and an estimated cost range between £1 - £25m • The scope of works to be procured will include predominantly substation works including turnkey electrical, mechanical, civils and enabling works, with the inclusion of local overhead lines and cables within the curtilage of the site.

• NIEN wish to retain the flexibility for each lot to utilise both Design and Build (D&B) and Engineering Procurement and Construction (EPC) models.

• The default approach will be that equipment supply (transformers and switchgear etc.) will be in the scope of projects.

Free issue of equipment will be limited to those projects for which NIEN have equipment ordered.

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