Open Tenderocds-tedeu-4a42f521-32aa-444d-b964-1c325fc18ce3

LPT Bundle (Large Power Transformers)

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 t...

Buyer

Swissgrid Ltd - Asset & Maintenance

Value

Not provided

Published

18 Aug 2026

Closes

25 Jan 2027

Procurement details

Source

TED (EU)

Country

Switzerland (CH)

Procurement method

Open

Category

Goods

Contract starts

30 May 2027

Contract ends

5 Jul 2034

CPV classifications

31170000

Transformers

31171000

Liquid dielectric transformers

Lots

Lot LOT-0001 3 x Longitudinal & Quadrature regulated Transformer (LQT) 400 MVA, 380/220 kV

Value not provided

This lot includes the calculation, design, construction, manufacture, testing, transport, assembly, commissioning, start-up, documentation and warranty of 3 large power transformers (LPT): 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 trans...

Delivery: Switzerland

Lot LOT-0002 4 x Longitudinal & Quadrature regulated Transformer (LQT) 800 MVA, 380/220 kV

Value not provided

This lot includes the calculation, design, construction, manufacture, testing, transport, assembly, commissioning, start-up, documentation and warranty of 4 large power transformers (LPT): 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 trans...

Delivery: Switzerland

Lot LOT-0003 2 x Phase Shifting Transformer (PST) 500 MVA, 220/220 kV

Value not provided

This lot includes the calculation, design, construction, manufacture, testing, transport, assembly, commissioning, start-up, documentation and warranty of 2 large power transformers (LPT): 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)

Delivery: Switzerland

Lot LOT-0004 1 x Longitudinal & Quadrature regulated Transformer (LQT) 400 MVA, 380/220 kV

Value not provided

This lot includes the calculation, design, construction, manufacture, testing, transport, assembly, commissioning, start-up, documentation and warranty of 1 large power transformer (LPT): 1 x longitudinal & quadrature regulated transformer (LQT) 400 MVA, 380/220 kV LQT Bickigen 1: (2 tanks, 3 poles) LRT and QRT in separate tanks

Delivery: Switzerland

TED notice 571847-2026

18 Aug 2026

Tender notice · Web page

Procurement documents

Not provided

Bidding documents restricted

Contains information from TED (Tenders Electronic Daily), © European Union, reused under CC BY 4.0.