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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
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.
04.02.2026
The SISTEMA competition covered 20,000 of Russian students
An open presentations stage was held as part of the Sistema Scholarship Competition.
03.02.2026
UTP is a meeting place
UTP was visited by students of Ufa State Petroleum Technological University.
28.01.2026
Striking hearts
An excursion for school pupils from the Chishminsky district took place at the UTP.
27.01.2026
JSC ERSO HOLDING is in the TOP again!
ERSO is on the list of the best employers of 2025!
22.01.2026
Again to the South
The Moscow Electric Plant has shipped the RTM-100000/330 shunt reactor.
21.01.2026
From tropical summer to Russian winter
The Ufa site of the ERSO Holding was visited by a delegation from Vietnam.
30.12.2025
Agrarians at the plant
Near the end of the year, students of the 4th year of the Energy faculty of Bashkir State Agrarian University visited the Ufa Transformer Plant.
29.12.2025
From the transformer plant for the metallurgical one
Ufa Transformer Plant has shipped two units of equipment for the Ashinsky Metallurgical Plant.
23.12.2025
ERSO sets standards of energy efficiency
Specialists of JSC ERSO HOLDING have developed a Preliminary National Standard (PNST) 1038-2025 “Oil-power transformers of voltage classes 35-750 kV. General requirements for energy efficiency levels”.
22.12.2025
Well-deserved honour
Sergey Gurin, the President of JSC ERSO HOLDING, was awarded for his contribution to the development of JSFC Sistema.
17.12.2025
By mountain routes
Ufa Transformer Plant has shipped transformer TDTN-25000/110 for PJSC Rosseti Severny Kavkaz.
12.12.2025
The new traction transformer put for testing
Tests of a new electric freight locomotive “Orlets” with a new traction transformer of the ONDTSV-2400 /25-U2 type have started that developed by ERSO Holding
11.12.2025
Combining Power Industry with Science
A tour over the ERSO holding’s Ufa production site was given to members of the young scientist club at the Eurasian Research and Education Center (REC).
08.12.2025
Take Five!
TDC-200000/220 transformer has left UTZ.
02.12.2025
ERSO at IFEN-2025
ERSO holding took part in the International Forum "Electric Networks".
28.11.2025
Crossing the country’s main roads
Two transformers TRDNS-32000/35 were shipped from the Ufa site of ERSO holding.

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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