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Creating the successful future of energy

ERSO is a multidisciplinary integrated company focused on comprehensive equipment and implementation of projects of new construction, reconstruction and modernization of power facilities.
Catalog
TOP 1
POSITION ON THE RUSSIAN MARKET
By nominal capacity of produced equipment
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QUALIFIED TEAM
With design and manufacturing expertise
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WIDE PRODUCT RANGE
Of transformer and reactor equipment, for voltages from 0.5 kV to 1150 kV, up to 630 MVA
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HIGH PRODUCTION CAPACITY
Total design capacity for transformer equipment production
MAIN AREAS OF ACTIVITY
Transformers and reactors of all voltage ratings
Design and production of transformers, reactors up to 630 MVA and voltages from 0.5 kV to 1150 kV
Integrated engineering and construction
Management of the project as a whole, from the organization of engineering investigations and development of the functional strategy of the project, then to the supply of equipment, design management, construction and finally to the putting of the object into operation
Equipment for power systems
Business development of automation systems, commercial metering and dispatching control systems under the digitalization of networks
Service maintenance of power electronic equipment
High-quality and affordable for the customer maintenance of imported high-voltage equipment for the whole period of operation
Catalog
Power Transformers
Power Transformers With Non-Flammable Liquid Dielectric
Reactor Equipment
Electric Furnace Transformers
Traction Transformers For Railway Transportation
Converter Transformers
Mobile Transformers
Phase-Shifting Transformers
High Voltage Tank Circuit Breakers
Mobile Substations
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Sergey Gurin
NEWS
01.06.2026
One, two, three, four, five... Shipping keeps our drive alive!
Three transformers have been shipped from the Ufa production site of the ERSO holding, with two more set to leave the Ufa Transformer Plant this autumn.
28.05.2026
ERSO TRANSFORMER SOLUTIONS Becomes Skolkovo Resident
Following an expert evaluation of its innovative capabilities, the company has been awarded resident status.
25.05.2026
Walking the Talk for Good
The ERSO team claimed second place in the overall team ranking at the Step #ForGood (Шагай #ЗаДобро) charity online marathon run by the Sistema Charitable Foundation.
19.05.2026
A Charge for Altai
A TDN-40000/110-UHL1 transformer has been shipped from the Ufa production site of the ERSO holding.
14.05.2026
Out of This World
The Ufa Transformer Plant has shipped two transformers for the Vostochny Cosmodrome.
13.05.2026
2.2 billion rubles to be invested in the modernization of the Ufa Transformer Plant
The news was shared by Sergey Gurin, the holding President, at a weekly operational meeting held via videoconference by Radiy Khabirov, Head of Bashkortostan.
08.05.2026
Two Transformers for Skidel-2
Two transformers have been dispatched from the Ufa site of the ERSO holding to Skidel.
29.04.2026
Students, ERSO and the Blue Whale
Specialists from the Training Centre of JSC ERSO HOLDING held a career guidance meeting with students of the Ufa State Petroleum Technological University.
24.04.2026
The Road to Grodno
A delegation from Grodno visited the Ufa Transformer Plant.
22.04.2026
From Capital to Capital
Representatives of Moscow’s UPC visited the Ufa site of the ERSO holding.
20.04.2026
ERSO and Job Seekers together at PROFFEST
The career guidance event served as a bridge between job seekers and employers, bringing together school students, graduates of secondary and higher education institutions, as well as representatives of major companies and educational establishments.
16.04.2026
Testing complete
The acceptance tests of transformers to be delivered to a substation in Minsk have been completed at the Ufa Transformer Plant. The specialists from RUE “Minskenergo” witnessed the process and confirmed the quality of the made-to-order equipment.
14.04.2026
Two units for Krasnodar
The Ufa Transformer Plant ships two power transformers TDN-80000/110 for Rosseti.
07.04.2026
ERSO at ENERGOPROM
ERSO took part at ENERGOPROM International Energy Forum held in Kazan from 1 to 3 April.
26.03.2026
Not just a project – pure gold
The “Sukhoi Log – Vitim” facility will provide power supply to plants involved in the development the Sukhoy Log gold deposit – the largest in Russia and one of the largest in the world.
19.03.2026
A travel to the heart of the Urals
The Ufa Transformer Plant ships two power transformers TDN-40000/110-UHL1 manufactured for the Chelyabinsk Forge-and-Press Plant.
10.03.2026
A federally significant visit
On March 6, Denis Manturov, First Deputy Prime Minister of Russia and Radiy Khabirov, Head of the Republic visited the Ufa Transformer Plant.
03.03.2026
The silver is ours!
ERSO Holding took part in the VIII Winter Sports Contest organized by JSFC Sistema.
27.02.2026
Transformers of ERSO Holding will ensure reliable power supply in two districts of St. Petersburg
Rosseti has started the 220 kV Pargolovo mainline substation.
16.02.2026
Shipment at the very end of winter
Acceptance tests of four units of equipment have been successfully completed at the Ufa Transformer Plant.

HOTLINE

Contacts of the "hot line" on anti-corruption issues
Channel for receiving complaints about non-fulfillment or improper fulfillment by employees of ERSO HOLDING JSC or its subsidiaries and affiliates of their duties, charters, other internal documents, legal requirements, etc. E-mail: hotline@erso.group
You can also report possible abuses, fraudulent, corrupt practices, omissions and shortcomings anonymously, by e-mail and by phone.
E-mail: antikor@erso.group
Tel: +7 (495) 962-17-26

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