EU Tenders

Transformers tenders in Switzerland

CPV 31170000-8 · part of 31000000 Electrical machinery, apparatus, equipment and consumables; lighting › 31100000 Electric motors, generators and transformers

25 notices for CPV 31170000 Transformers in Switzerland on TED since 29 May 2026: 11 calls for competition and 14 contract awards. 8 of these tenders are open today.

Open tenders

20-kV-Tauchkern-Erdschlusslöschspulen
Tender · Liquid dielectric transformers · 6 Oct 2026 · Switzerland · Repower AG · deadline 20 Nov 2026
Ernen nouvelle sous-station, Transformateurs 65/16.5 kV
Tender · Transformers · 20 Oct 2026 · Switzerland · FMV SA · deadline 30 Nov 2026
20-kV-Tauchkern-Erdschlusslöschspulen
Tender · Liquid dielectric transformers · 23 Oct 2026 · Switzerland · Repower AG · deadline 4 Dec 2026
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 2 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 8 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 15 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
ARA Thurau, Trafostationen BKP 231.11
Tender · Transformers · 2 Nov 2026 · Switzerland · Abwasserverband Thurau · deadline 15 Jan 2027
LPT Bundle (Large Power Transformers)
Tender · Transformers · 18 Aug 2026 · Switzerland · Swissgrid Ltd - Asset & Maintenance · deadline 25 Jan 2027

Subcategories

CPV codeNotices
31174000 Power supply transformers5
31171000 Liquid dielectric transformers4

Top buyers

BuyerNotices
SBB CFF FFS Infra-Energie5
Groupe E SA - Service Achat pour les Marchés publics4
Stadt St.Gallen, Stadtwerke3
Axpo Grid AG2
Elektrizitätswerke des Kantons Zürich2
FMV SA2
Kraftwerke Oberhasli AG2
Repower AG2
Abwasserverband Thurau1
Aziende Industriali di Lugano (AIL) SA1

Top winners

WinnerAwards
FR_Siemens Energy AG5
FR_TAMINI TRASFORMATORI SRL3
DE_KOLEKTOR ETRA d.o.o.2
DE_Hitachi Energy AG1
EN_herzogenergy GmbH1
FR_Hitachi Energy AG1
FR_Trench Austria GmbH1
IT_Energy Vault SA1

All notices

Manufacture and delivery of neutral-earthing reactors
Award · Voltage-control systems · 6 Nov 2026 · Switzerland · Axpo Grid AG · value EUR 1,848,510 · won by EN_herzogenergy GmbH
ARA Thurau, Trafostationen BKP 231.11
Tender · Transformers · 2 Nov 2026 · Switzerland · Abwasserverband Thurau · deadline 15 Jan 2027
20-kV-Tauchkern-Erdschlusslöschspulen
Tender · Liquid dielectric transformers · 23 Oct 2026 · Switzerland · Repower AG · deadline 4 Dec 2026
Ernen nouvelle sous-station, Transformateurs 65/16.5 kV
Tender · Transformers · 20 Oct 2026 · Switzerland · FMV SA · deadline 30 Nov 2026
Transformateurs machines: Projet de rénovation de la centrale électrique de Etzelwerk, Projet de rénovation notable sur la Cascade de Barberine
Award · Transformers · 12 Oct 2026 · Switzerland · SBB CFF FFS Infra-Energie · value CHF 3,237,790 · won by FR_Siemens Energy AG
Transformateurs machines: Projet de rénovation de la centrale électrique de Etzelwerk, Projet de rénovation notable sur la Cascade de Barberine
Award · Transformers · 12 Oct 2026 · Switzerland · SBB CFF FFS Infra-Energie · value CHF 1,773,845 · won by FR_Siemens Energy AG
Transformateurs machines: Projet de rénovation de la centrale électrique de Etzelwerk, Projet de rénovation notable sur la Cascade de Barberine
Award · Transformers · 12 Oct 2026 · Switzerland · SBB CFF FFS Infra-Energie · value CHF 6,586,198 · won by FR_Siemens Energy AG
20-kV-Tauchkern-Erdschlusslöschspulen
Tender · Liquid dielectric transformers · 6 Oct 2026 · Switzerland · Repower AG · deadline 20 Nov 2026
Transformatoren Los 1 KW Hopflauenen und Los 2 KW Fuhren
Award · Transformers · 22 Sep 2026 · Switzerland · Kraftwerke Oberhasli AG · value CHF 1,486,000 · won by DE_KOLEKTOR ETRA d.o.o.
Transformatoren Los 1 KW Hopflauenen und Los 2 KW Fuhren
Award · Transformers · 22 Sep 2026 · Switzerland · Kraftwerke Oberhasli AG · value CHF 4,897,000 · won by DE_KOLEKTOR ETRA d.o.o.
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 15 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
Ecône - Nouveau poste, Transformateur T11
Award · Transformers · 9 Sep 2026 · Switzerland · FMV SA · value CHF 1,383,399 · won by FR_Siemens Energy AG
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 8 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
Fourniture de cinq (5) bobines d'inductance shunt.
Award · Transformers · 4 Sep 2026 · Switzerland · Groupe E SA - Service Achat pour les Marchés publics · value EUR 2,512,000 · won by FR_TAMINI TRASFORMATORI SRL
Fourniture de cinq (5) bobines d'inductance shunt.
Award · Transformers · 4 Sep 2026 · Switzerland · Groupe E SA - Service Achat pour les Marchés publics · value EUR 4,970,000 · won by FR_TAMINI TRASFORMATORI SRL
Fourniture de cinq (5) bobines d'inductance shunt.
Award · Transformers · 4 Sep 2026 · Switzerland · Groupe E SA - Service Achat pour les Marchés publics · value EUR 4,632,954 · won by FR_TAMINI TRASFORMATORI SRL
6 piece regulating transformers 40MVA ONAN (50MVA ONAF) 110//10/20kV
Tender · Installation services of transformers · 2 Sep 2026 · Switzerland · Stadt St.Gallen, Stadtwerke · deadline 15 Jan 2027
60 MVAr regelbare Blindleistungskompensationsdrosseln, inkl. Optionen
Award · Liquid dielectric transformers · 26 Aug 2026 · Switzerland · Elektrizitätswerk der Stadt Zürich (ewz) · value CHF 17,942,330 · won by DE_Hitachi Energy AG
Manufacture and delivery of neutral-earthing reactors
Tender · Voltage-control systems · 21 Aug 2026 · Switzerland · Axpo Grid AG · closed 2 Oct 2026
LPT Bundle (Large Power Transformers)
Tender · Transformers · 18 Aug 2026 · Switzerland · Swissgrid Ltd - Asset & Maintenance · deadline 25 Jan 2027
ACR - Air-Core Shunt Reactor - Gotthard
Award · Inductors · 7 Aug 2026 · Switzerland · Swissgrid AG - Asset & Maintenance · value CHF 2,272,362 · won by FR_Trench Austria GmbH
LOS 1: Rahmenvertrag 16.7Hz, 21.8MVA Fahrleitungstransformator / LOS 2: Projekt UW Andermatt / Göschenen 16.7Hz, 132-66/11kV, 10MVA
Award · Transformers · 23 Jul 2026 · Switzerland · SBB CFF FFS Infra-Energie · value EUR 3,282,240 · won by FR_Hitachi Energy AG
LOS 1: Rahmenvertrag 16.7Hz, 21.8MVA Fahrleitungstransformator / LOS 2: Projekt UW Andermatt / Göschenen 16.7Hz, 132-66/11kV, 10MVA
Award · Transformers · 23 Jul 2026 · Switzerland · SBB CFF FFS Infra-Energie · value CHF 21,822,158 · won by FR_Siemens Energy AG
Progettazione, fornitura e messa in funzione Impianto di accumulo a batterie rete AIL / BESS Mendrisio
Award · Accumulators, primary cells and primary batteries · 17 Jul 2026 · Switzerland · Aziende Industriali di Lugano (AIL) SA · value CHF 3,850,409 · won by IT_Energy Vault SA
Reguliertransformatoren 40/50 MVA, 110/16 kV ONAN/ONAF
Tender · Power supply transformers · 22 Jun 2026 · Switzerland · Elektrizitätswerke des Kantons Zürich · closed 21 Aug 2026
Fourniture de cinq (5) bobines d'inductance shunt.
Tender · Transformers · 11 Jun 2026 · Switzerland · Groupe E SA - Service Achat pour les Marchés publics · closed 6 Jul 2026
Reguliertransformatoren 40/50 MVA, 110/16 kV ONAN/ONAF
Tender · Power supply transformers · 8 Jun 2026 · Switzerland · Elektrizitätswerke des Kantons Zürich · closed 15 Jul 2026

Questions

How many transformers tenders are open in Switzerland?

8 calls for competition under CPV 31170000 are open on 13 Nov 2026, out of 11 published since 29 May 2026.

Who buys the most transformers in Switzerland?

SBB CFF FFS Infra-Energie leads with 5 notices under CPV 31170000.

Which company wins the most transformers contracts in Switzerland?

FR_Siemens Energy AG appears in 5 award notices under CPV 31170000.

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