Source: https://tendernation.io/opportunities/01a13c7d-bf64-7057-9756-70d9f6457142/wylfa-electrical-overlay-system-phase-2-on-site-distribution closed GB open procedure # Wylfa Electrical Overlay System - Phase 2 On Site Distribution [CTM Portal for the NDA Shared Services Alliance](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) Incumbent usually keeps it Estimated value £1,000,000 to £1,600,000 Published 26 Mar 2021 Deadline Closed 12 Apr 2021 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Magnox require the design, supply and installation of a new Electrical overlay system at their Wylfa Site in North Wales. This will require design, civil and electrical works under provision of a complete turnkey project. A new and independent electrical infrastructure system is required that will meet modern standards, and is appropriate for the site's present and future electrical load. The scope of work involves the design, manufacture, supply, build, cable & switchgear installation, works-test, delivery to site, off-loading, moving into final position, installation and testing/commissioning of the electrical systems and civil structures. A detailed design of the electrical infrastructure system, taking into account the electrical demand, location for the loads, type of switchgear, transformers, electrical protection, metering equipment, cabling, cable routing etc. is required along with all construction works to support the electrical infrastructure. A 2000 KVA District Network Operator (DNO) supply is available at the site boundary which is to supply new 11 KV Switchgear, which in turn will supply two new 11 KV / 415 V Package Substations (PS), one in the Switch house and the other on-site which will support the existing site electrical demand. ## CPV classification Electrical engineering installation works Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/c2d4fda3-0b88-42ce-8fd5-da2240a252f9) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile CTM Portal for the NDA Shared Services Alliance: past awards and live tenders](https://tendernation.io/buyers/ctm-portal-for-the-nda-shared-services-alliance) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Hdc-1714 wadkins pavilion refurbishment · Harborough District Council · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a155bf-f664-72f9-9823-a85d6cddbdc6/hdc-1714-wadkins-pavilion-refurbishment) [Design, supply, and Installation of Newbiggin Skatepark Extension · Newbiggin Town Council · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15552-19a2-7348-a5cc-3f5ae51ef934/design-supply-and-installation-of-newbiggin-skatepark-extension) [Tender for the design, supply, delivery and installation of a modular UNIT and associated works at ARC healthy living, irvinestown. peaceplus funded upgrade works · Fermanagh and Omagh District Council · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a15552-1b74-73ec-a6f6-a1af37959997/tender-for-the-design-supply-delivery-and-installation-of-a-modular-unit-and-a) [ESPH AB RDC Sidley Depot (ESPH753) · Rother District Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a15552-1d19-7155-8fe0-0d917105fca8/esph-ab-rdc-sidley-depot-esph753) [Demolition, Design and Construction of Howard's Lane Public Toilets, Howard's Lane, Wareham · Wareham Town Council · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a15552-1d8a-7277-bc5b-edc9a127ee5b/demolition-design-and-construction-of-howards-lane-public-toilets-howards-la)