Source: https://tendernation.io/opportunities/01a13beb-ead0-7100-a190-d1ecddea27d5/c150-2027-preliminary-market-engagement-for-the-supply-of-11033-kv-power-and pending GB open procedure # C150 (2027) Preliminary Market Engagement for the Supply of 110/33 kV Power and 275/110/22 kV Auto Transformers. [Northern Ireland Electricity Networks Limited](https://tendernation.io/buyers/northern-ireland-electricity-networks-limited) Estimated value £63,000,000 Published 5 Oct 2026 Deadline Rolling deadline ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender NIE Networks intends to establish a Framework Arrangement and appoint up to one supplier plus a reserve to enter into separate Framework Agreements for the Supply of Power and Auto Transformers. The requirement is for Power and Auto Transformers used within the NIE Networks’ transmission network. Each Framework Agreement will be for a period of five (5) years with an option, exercisable entirely at the discretion of NIE Networks and subject to the terms of the Framework Agreement, to extend by a further optional period of up to three (3) years, with a total potential duration of eight (8) years. It is envisaged that this will be a multi lot procurement exercise consisting of the following lots: - Lot 1 Supply of 110/33 kV Power Transformers - Lot 2 Supply of 275/110/22 kV Auto-transformers NIE Networks estimates that the total spend under framework agreements could be up to £63 million for all lots over the total potential eight-year duration. Therefore, NIE Networks is conducting a Preliminary Market Engagement (PME) supplier information event to gather insights from the market before initiating a procurement process for Contract C150 (2027) for the Supply of 110/33 kV Power and 275/110/22 kV Auto Transformers This engagement aims to assess the market's interest and capabilities in delivering Contract C150 (2027), identify potential solutions and develop an effective procurement strategy. This PME supplier information event is open to suppliers and is intended to be a collaborative effort to ensure a robust and successful procurement process. Read full description ## CPV classification Distribution transformers Transformers Power supply transformers Voltage transformers Source Find a Tender (UK) · Notice ocds-h6vhtk-0780c0-2026-10-05T13:05:03+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0780c0-2026-10-05T13:05:03+01:00) 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. 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