Power supply transformers tenders in the EU
CPV 31174000-6 · part of 31000000 Electrical machinery, apparatus, equipment and consumables; lighting › 31100000 Electric motors, generators and transformers › 31170000 Transformers
37 notices for CPV 31174000 Power supply transformers in the EU on TED since 29 May 2026: 27 calls for competition and 10 contract awards. 3 of these tenders are open today. The median estimated value is EUR 2,086,000 across 2 tenders that publish a value.
Open tenders
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
By country
| Country | Notices |
|---|---|
| Poland | 10 |
| Germany | 7 |
| Netherlands | 6 |
| Switzerland | 5 |
| Denmark | 2 |
| Austria | 1 |
| Belgium | 1 |
| Bulgaria | 1 |
| Czechia | 1 |
| France | 1 |
| Ireland | 1 |
| Latvia | 1 |
Top buyers
Top winners
Estimated values
| Currency | Tenders with a value | Median | Total |
|---|---|---|---|
| EUR | 2 | 2,086,000 | 4,172,000 |
All notices
9436 Replacement 38kV Transaction Transformer
Award · Electrical installations for railways · 1 Oct 2026 · Ireland · Iarnród Eireann-Irish Rail · value EUR 429,414 · won by Kyte Powertech Limited
Neubau Gleichrichterunterwerk im Glückstein-Quartier (M016)
Award · Rectifiers · 23 Sep 2026 · Germany · Rhein-Neckar-Verkehr GmbH · value EUR 804,858 · won by Gritec GmbH, EAI GmbH
SBLV4 - Fourniture - Fourniture Postes HTA (Formalisé)
Tender · Substation equipment · 18 Sep 2026 · France · ENR5
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
Rahmenvereinbarung Erdungstransformatoren mit E-Spule
Tender · Transformers · 14 Sep 2026 · Austria · Energie AG Oberösterreich Tech Services GmbH
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
Dostawa siłowni telekomunikacyjnych i akumulatorów
Tender · Electric accumulators · 2 Sep 2026 · Poland · Komenda Wojewódzka Policji w Krakowie · closed 15 Sep 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
Lieferung von 8 Stück Ortsnetzstationen 20 kV-Kompaktstation - SF6-frei - nach 21423 Winsen (Luhe)
Tender · Transformers · 25 Aug 2026 · Germany · Stadtwerke Winsen (Luhe) GmbH · closed 10 Sep 2026
Power supplies
Tender · Uninterruptible power supplies · 19 Aug 2026 · Belgium · European Commission, DG JRC - Joint Research Centre · value EUR 472,000 · closed 21 Sep 2026
Dodávka repasovaného transformátoru o výkonu 350 MVA, 400/121/10,5 kV
Award · Power supply transformers · 13 Aug 2026 · Czechia · ČEZ, a. s. · value CZK 34,061,489 · won by ČEZ Energetické produkty, s.r.o.
Dostawa siłowni telekomunikacyjnych i akumulatorów
Tender · Electric accumulators · 13 Aug 2026 · Poland · Komenda Wojewódzka Policji w Krakowie · closed 14 Sep 2026
Lieferung von 8 Stück Ortsnetzstationen 20 kV-Kompaktstation - SF6-frei - nach 21423 Winsen (Luhe)
Tender · Transformers · 3 Aug 2026 · Germany · Stadtwerke Winsen (Luhe) GmbH · closed 1 Sep 2026
EW Tresna - Wykonanie nowych stanowisk transformatorów blokowych, wraz z dostawą i montażem dwóch suchych transformatorów blokowych oraz ich instalacją, uruchomieniem i przekazaniem do eksploatacji
Award · Power supply transformers · 22 Jul 2026 · Poland · PGE Energia Odnawialna S.A. · value PLN 5,599,000 · won by APER SOLUTION Sp. z o.o.
Präqualifikationsverfahren für Verteilungstransformatoren (bis 20kV)
Tender · Electrical apparatus for switching or protecting electrical circuits · 15 Jul 2026 · Germany · EAM GmbH & Co KG
Neubau Gleichrichterunterwerk im Glückstein-Quartier (M016)
Tender · Rectifiers · 15 Jul 2026 · Germany · Rhein-Neckar-Verkehr GmbH · closed 14 Aug 2026
Power Transformer 33/110kV 110 MVA for HV-station Lageland
Tender · Power supply transformers · 13 Jul 2026 · Netherlands · Lageland B.V. · closed 5 Aug 2026
„Rozbudowa i modernizacja oczyszczalni ścieków w m. Bytkowo, gm. Rokietnica"
Award · Construction work · 9 Jul 2026 · Poland · Przedsiębiorstwo Usług Komunalnych Sp. z o.o. · value PLN 46,299,000 · won by PTB Nickel Technologia Sp. z o.o., PTB Nickel Sp. z o.o.
Power Transformer 33/110kV 110 MVA for HV-station Lageland
Tender · Power supply transformers · 9 Jul 2026 · Netherlands · Lageland B.V. · closed 31 Jul 2026
Neubau Gleichrichterunterwerk im Glückstein-Quartier (M016)
Tender · Rectifiers · 6 Jul 2026 · Germany · Rhein-Neckar-Verkehr GmbH · closed 4 Aug 2026
Power Transformer 33/110kV 110 MVA for HV-station Lageland
Tender · Power supply transformers · 6 Jul 2026 · Netherlands · Lageland B.V. · closed 31 Jul 2026
Raamovereenkomst Distributietransformatoren
Tender · Power supply transformers · 3 Jul 2026 · Netherlands · N.V. Rendo · value EUR 3,700,000 · closed 22 Sep 2026
Bezpośrednie dostawy transformatorów dla projektów BESS
Tender · Transformers · 26 Jun 2026 · Poland · ENEA Nowa Energia sp. z o.o. · closed 1 Jul 2026
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
Bezpośrednie dostawy transformatorów dla projektów BESS
Tender · Transformers · 19 Jun 2026 · Poland · ENEA Nowa Energia sp. z o.o. · closed 26 Jun 2026
„Доставка и монтаж на силови трансформатори за ЛЦ за ОВД Варна“
Award · Power supply transformers · 16 Jun 2026 · Bulgaria · ДЪРЖАВНО ПРЕДПРИЯТИЕ "РЪКОВОДСТВО НА ВЪЗДУШНОТО ДВИЖЕНИЕ" ТПП · value EUR 58,799
Power Transformer 33/110kV 110 MVA for HV-station Lageland
Tender · Power supply transformers · 16 Jun 2026 · Netherlands · Lageland B.V. · closed 31 Jul 2026
330kV autotransformatoru piegāde apakšstacijā Nr.70 "Valmiera" un apakšstacijā Nr.50 "Brocēni 330"
Award · Transformers · 15 Jun 2026 · Latvia · Akciju sabiedrība "Augstsprieguma tīkls" · value EUR 3,070,445 · won by Elprom Heavy Industries AD, ETD TRANSFORMÁTORY a.s.
Purchase of a high-voltage shore connection (HVSC) including an onshore power system (OPS) and a cable management system (CMS) for the supply of electrical power to cruise ships in Port of Skagen.
Award · Electrical machinery, apparatus, equipment and consumables; lighting · 12 Jun 2026 · Denmark · Skagen Havn · value DKK 58,656,500 · won by PowerCon A/S
Dostawa siłowni telekomunikacyjnych do stacji bazowych w ramach umowy ramowej
Award · Power supply transformers · 12 Jun 2026 · Poland · KOMENDA GŁÓWNA POLICJI · value PLN 34,185,390 · won by DELTA ELECTRONICS (POLAND) Sp. z o.o.
Samenwerkingsovereenkomst Vervanging TEV trolleygelijkrichterstations 2026-2036
Award · Rectifiers · 11 Jun 2026 · Netherlands · Gemeente Arnhem · value EUR 50,000,000 · won by Strukton Rail Nederland B.V.
Planung, Lieferung, Errichtung und Inbetriebnahme von Trafostationen für die Eigenbedarfsversorgung von Umspannwerken in der Höchstspannung
Tender · Substation equipment · 10 Jun 2026 · Germany · TransnetBW GmbH
Bezpośrednie dostawy transformatorów dla projektów BESS
Tender · Transformers · 9 Jun 2026 · Poland · ENEA Nowa Energia sp. z o.o. · closed 23 Jun 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
Qualification system
Tender · Electronic, electromechanical and electrotechnical supplies · 8 Jun 2026 · Denmark · BeGreen A/S
Bezpośrednie dostawy transformatorów dla projektów BESS
Tender · Transformers · 3 Jun 2026 · Poland · ENEA Nowa Energia sp. z o.o. · closed 11 Jun 2026
Bezpośrednie dostawy transformatorów dla projektów BESS
Tender · Transformers · 29 May 2026 · Poland · ENEA Nowa Energia sp. z o.o. · closed 10 Jun 2026
Questions
How many power supply transformers tenders are open in the EU?
3 calls for competition under CPV 31174000 are open on 1 Oct 2026, out of 27 published since 29 May 2026.
Who buys the most power supply transformers in the EU?
ENEA Nowa Energia sp. z o.o. leads with 5 notices under CPV 31174000.
Which company wins the most power supply transformers contracts in the EU?
APER SOLUTION Sp. z o.o. appears in 1 award notice under CPV 31174000.
Get new power supply transformers tenders by email
A free weekly digest of new competition notices for this CPV code and country, straight from TED.
Set up a free alert