Source: https://tendernation.io/opportunities/01a1406d-1776-728e-924b-d67f738b7464/switzerland-transformers-lpt-bundle-large-power-transformers Open for bids CH open procedure # Transformers – LPT Bundle (Large Power Transformers) [Swissgrid Ltd - Asset & Maintenance](https://tendernation.io/buyers/swissgrid-ltd-asset-maintenance) Estimated value Not stated Published 18 Aug 2026 Deadline 99 days left 25 Jan 2027 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender The request for proposals covers the calculation, design, construction, manufacture, testing, transportation, installation, commissioning, documentation, and warranty for several large power transformers (LPT), divided into a total of 4 lots as follows. Lot 1: 3 x Longitudinal & Quadrature regulated Transformer (LQT) 400 MVA, 380/220 kV LQT Soazza 1: 4 phases (1 transformer bank + 1 reserve group) LQT Soazza 2: 3 phases (1 transformer bank) LQT Tavanasa 1: 4 phases (1 transformer bank + 1 reserve group) The three transformer groups (phases) of a transformer bank each consist of an LRT and QRT in separate tanks. Lot 2: 4 x Longitudinal & Quadrature regulated Transformer (LQT) 800 MVA, 380/220 kV LQT Breite 1: 4 phases (1 transformer bank + 1 reserve group) LQT Breite 2: 3 phases (1 transformer bank) LQT Gösgen 1: 4 phases (1 transformer bank + 1 reserve group) LQT Gösgen 2: 3 phases (1 transformer bank) Lot 3: 2 x Phase Shifting Transformer (PST) 500 MVA, 220/220 kV PST Riddes 3: (2 tanks, 3-pole) PST St. Triphon 1: (2 tanks, 3-pole) PST with two cores, excitation and series transformers in separate tanks Lot 4: 1 x Longitudinal & Quadrature regulated Transformer (LQT) 400 MVA, 380/220 kV LQT Bickigen 1: (2 tanks, 3-pole) LRT and QRT in separate tanks For information on the earliest possible delivery dates for the individual LPTs, please refer to document 01\_Verfahrensanweisung, Chapter 6.8.5, Mandatory Criterion LPT-MK5 – Latest Possible Dates for “IBS Completed,” and Chapter 6.9.6, Evaluation of the Award Criterion LPT-ZK4 – Date “IBS Completed,” in the bidding documents. Legend: LRT → Longitudinal regulated transformer QRT → Quadrature regulated transformer 3 phases → Transformer bank 1 phase → Transformer group (LRT+QRT) LRT / QRT → Transformer Reserve group → Reserve phase Read full description ## CPV classification Transformers Liquid dielectric transformers Source Tenders Electronic Daily (EU) · Notice 571847-2026 [View official notice](https://ted.europa.eu/en/notice/571847-2026) 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 Swissgrid Ltd - Asset & Maintenance: past awards and live tenders](https://tendernation.io/buyers/swissgrid-ltd-asset-maintenance) [Sector More Electrical equipment & lighting tenders](https://tendernation.io/sectors/electrical-equipment-lighting) ## More tenders like this [Transformers – DLR Standort Köln: Kompakt-Trafostation - Rahmenvertrag Trafostation (26-0272\_S) · Deutsches Zentrum für Luft- und Raumfahrt e. V. · 23 days left · 11 Nov 2026](https://tendernation.io/opportunities/01a14061-fca1-7082-8b6c-28bf04c56c65/germany-transformers-dlr-standort-koln-kompakt-trafostation-rahmenvertrag) [Liquid dielectric transformers – 20-kV-Tauchkern-Erdschlusslöschspulen · Repower AG · 33 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a14062-de59-7190-a5a4-a85868a8dc96/switzerland-liquid-dielectric-transformers-20-kv-tauchkern-erdschlussloschsp) [Installation services of transformers – 6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV · Stadt St.Gallen, Stadtwerke · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a14067-5dce-7130-a8bb-2d0b2c210901/switzerland-installation-services-of-transformers-6-piece-regulating-transfo) [Installation services of transformers – 6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV · Stadt St.Gallen, Stadtwerke · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a1406a-12ef-7197-bdd1-2db3ca0a68f1/switzerland-installation-services-of-transformers-6-piece-regulating-transfo) [Installation services of transformers – 6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV · Stadt St.Gallen, Stadtwerke · 88 days left · 15 Jan 2027](https://tendernation.io/opportunities/01a14068-e7c6-70a4-83c1-18682d01f37c/switzerland-installation-services-of-transformers-6-piece-regulating-transfo) [Distribution transformers – Compact stations · N.V. Nederlandse Gasunie · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a13fde-2169-7107-aa09-a4cbb716f311/netherlands-distribution-transformers-compact-stations)