About Us - PET - Transformatory

Quality
without
compromise

History

Power Engineering Transformatory Sp. z o. o. in Czerwonak (Poland) has over 70 years of tradition in the energy industry. Although PET Sp. z o. o. was established in 2017, previously it operated as Zakłady Remontowe Energetyki founded in 1951. Then, after privatization in the 1990s, the name was changed to Zakłady Produkcyjno-Remontowe Energetyki Poznań “Energetyka-Czerwonak” S.A., and in 2010 to Power Engineering S.A.

At the beginning of 2017, the part producing power transformers was separated and started operating as Power Engineering Transformatory Sp. z o. o. taking with them all infrastructure, people, experience, know-how and knowledge about transformers. In the same year, the company became part of the KONČAR D&ST group from Zagreb. Using the knowledge and potential of a global concern, we apply the most modern production and management standards, delivering the highest quality devices to the market.

WE HAVE BEEN IN THE KONČAR D&ST GROUP SINCE 2017

Device designs and production technology developed in close cooperation with KONČAR D&ST
Bringing global standards in the design and production of transformers
Increasing the awareness of energy operators and industrial customers in Poland
Quality orientation and continuous design improvement
Sales revenues in 2023 around 30 million EUR.

KONČAR D&ST TRADITION, KNOWLEDGE, RESPONSIBILITY

100 years of tradition in the production of energy equipment
620 employees, including 220 with higher technical education
88% of production for export

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Management Board

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IVOR GRUBISIC

CEO, President of the Borad

Malolepszy-maciej

MACIEJ MAŁOLEPSZY

Member of the Board

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BOLESŁAW BRÓDKA

Member of the Board

Quality transformers
without compromise

We produce a high-quality product available on many European markets

We are also ISO 9001 certified.

Environmental management

Taking care of the natural environment is our highest value. As a company, we conduct rational waste management and behavior safe, hygienic and ecological working conditions.


We support the energy transformation by supplying transformers to the so-called “Green Energy”.


Our products power consumers from clean, emission-free wind and photovoltaic farms.


We are also ISO 14001 certified.

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Power Engineering Transformatory Sp. z o.o. 

ul. Gdyńska 83, 62-004 Czerwonak, Polska
[t] +48 61 892 88 98
info@petransformatory.pl

NIP/VAT: PL7773263001