85 years
Kolektor ETRA
We are a company that has the capacity to produce energy and power generator transformers up to 500MVA and voltages up to 420kV. We focus mainly on technical areas, such as loss and noise level reduction. Innovative, professional and responsible are the words which characterize the company by our valued customers over the years.
More About Us
85 years
The satisfaction of creating excellence
Kolektor Etra objective is to supply products that satisfy customers with their technical parameters and high quality as well as optimal ratio between price and performance.
With experienced and qualified team we are able to carry out all routine, standard and special tests required by international standards.
Areas Of Expertise
- Electromagnetics
- Structural Mechanics
- Thermodynamics
- Acoustics
- Anti-corrosion
Services
- Transformer repair
- Servicing and Maintenance
- Decomposition and Recycling of Old Transformers
MANUFACTURING PROGRAM
Transformers
Power
transformers
Power transformers and autotransformers of up to 500 MVA rated power and 420 kV rated voltage with on-load and off-load…
Special
transformers
To meet industrial demands,KOLEKTOR ETRA d.o.o. also manufactures special transformers: furnace transformers…
Distribution
transformers
Distribution transformers Series 8 of 50 kVA to 1600 kVA rated power and up to 24 kVrated voltage – a new series of distribution transformers, filled with environmentally friendly liquid Midel 7131, transformer mineral oil and in dry version (Dry-type transformers).
TRANSFORMERS FOR OFFSHORE
KOLEKTOR ETRA is a renowned supplier of power transformers specifically designed to meet the requirements for offshore installation. Check our offshore references in an interactive map, where you can find locations of offshore platforms with our transformers.
News
Latest news and events
90 years of transforming future
This year is a special year for Kolektor Etra, as it marks 90 years since its foundation in 1933. The 90-year journey of Kolektor Etra was and continue to be defined by innovation, high quality of products and the expertise of our employees. Today Kolektor Etra is a successful company that can compete with the biggest multinationals in the energy…
SOLAR POWER PLANT ON THE ROOF OF THE PRODUCTION FACILITIES
The transition to a low-carbon economy is an important factor in ensuring the long-term sustainability and resilience of society. In order to follow this megatrend of the green transition, many companies are exploring ways to reduce their carbon footprint and transition to renewable energy sources. We are pleased to announce that we have installed a solar power plant consisting of…
New logo for Kolektor Etra
We entered this year with the same values, but a new identity, which will represent our company in the future. Kolektor Etra d.o.o., has changed its logo as part of the reorganization of our parent company, KOLEKTOR GROUP. In April 2022, Kolektor Group restructured its subsidiary companies into three groups: Kolektor Mobility, Kolektor Technologies and Kolektor Construction, and our company…
JOIN US in PARIS at CIGRE PARIS!!
After long four years, we look forward to being part of the world’s number one event for the global power system, bringing together around 9,000 power industry participants from over 90 countries, including 3,500 international experts and other decision makers. This is a unique week long interactive opporunity to learn, network and discover the latest developments in the field. We…