ZREW TransformatoryS.A.Active
Manufacture of electric motors, generators and transformers
Overview
Zrew Transformatory is a leading manufacturer of oil-immersed transformers with power ratings of up to 160 MVA, based in Łódź, Poland. Their product portfolio includes transformers for power stations, heat and power plants, wind farms, and distribution networks, as well as special transformers for industrial applications.
News
R&S Group sells its non-core electrical switches & connectors business to Pfiffner Group
R&S Group Holding AG (SIX: RSGN), a leading provider of distribution transformer solutions, power transformers and other electrical components, celebrated the grand opening of its new greenfield oil distribution transformer plant under the Rauscher & Stoecklin brand in Krzeczów near Bochnia, Po-land on 3 April 2025.
R&S Group inaugurates new distribution transformer plant in Poland
R&S Group Holding AG (SIX: RSGN), a leading provider of distribution transformer solutions, power transformers and other electrical components, celebrated the grand opening of its new greenfield oil distribution transformer plant under the Rauscher & Stoecklin brand in Krzeczów near Bochnia, Po-land on 3 April 2025.
SAK extends the supply contract for medium-voltage distribution transformers with Rauscher & Stoecklin AG
St.Gallisch-Appenzellische Kraftwerke AG (SAK) is sending out a strong signal in favour of sustainability and partnership. The publicly tendered supply contract with Rauscher & Stoecklin AG from Sissach has been extended for a further three years. This long-established Swiss company (part of the R&S Group) will continue to supply medium-voltage distribution transformers for SAK from 2025 to 2027.
R&S Group agrees to acquire Kyte Powertech, a leading manufacturer of distribution transformer solutions, to broaden geographic footprint in Ireland, the UK and Western Europe
R&S Group Holding AG (SIX: RSGN), a leading provider of electrical infrastructure components in focus markets in Europe and the Middle East, has entered into an agreement to acquire 100% of Kyte Powertech Limited, an Ireland-based leading manufacturer of distribution transformers.
Exciting Milestone in Sustainable Power Distribution
Successful delivery of the first Rauscher & Stoecklin distribution transformer filled with Nynas Bio 300X insulating fluid for the Swiss customer, BKW Power Grid, powering the electrical grid in the picturesque Gstaad region.
Power transformer for battery energy storage system in Finland
ZREW produced and, in cooperation with its Finnish partner Eurolaite Oy, delivered a power transformer to supply the battery energy storage system (BESS). For ZREW, this was their first order to Finland.
Industry
Accounts
- 04 1140 1108 0000 5418 4600 1042
- 09 1240 6292 1111 0011 4534 0547
- 15 1140 1010 0000 5418 4600 1003
Authorized Representatives
Ownership
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| Mikroma PolskaS.A. | $61,881,694.53 | mikroma.com/mikroma-polska/?l=pl | |
| Zakład Maszyn Elektrycznych EmitS.A. | $19,300,385.27 | cantonigroup.com/emit | |
| Akmel Agregaty Prądotwórczesp. z o.o. | $5,865,635.79 | agregaty-pradotworcze.org | |
| Zakłady Elektrotechniki Motoryzacyjnejsp. z o.o. | $4,420,545.19 | zem.com.pl | |
| Power EngineeringS.A. | $1,576,265.67 | powerengineering.pl | |
| Sizei - Spółdzielnia Inwalidów Zakład Elementów Indukcyjnych W SkierniewicachCooperative | $1,298,963.35 | sizei.pl | |
| Vivendesp. z o.o. | $70,789.85 | vivende.pl | |
| Techtosp. z o.o. | $24,268.90 | techto.pl | |
| Multi Rotor Generatorsp. z o.o. | $8,689.69 | mrgen.pl | |
| Shuuusp. z o.o. | $453.47 | shuuu.eu |
FAQ
Last updated: 2026-03-26