Skip to content

Atomenergomash

Atomenergomash is Rosatom's mechanical-engineering division and a Russian supplier of equipment for nuclear, thermal, gas, petrochemical, shipbuilding, and special-steel industries.

Last updated August 25, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Atomenergomash, also known as AEM Group or AEM Holding, is a Russian power-engineering holding company established in 2006 as part of Rosatom State Atomic Energy Corporation. It functions as Rosatom's mechanical-engineering division, supplying industrial equipment and engineering capabilities across several energy-intensive sectors rather than operating primarily as a consumer-facing product brand. The group is centered on the design, manufacture, and supply of equipment for nuclear and thermal power plants. Its stated scope also includes equipment and services for the natural-gas and petrochemical industries, shipbuilding, and the production of special grades of steel. This combination gives Atomenergomash a broad industrial profile spanning engineering design, heavy manufacturing, metallurgy, and project supply. Its activities are carried out through a network of specialized subsidiaries and affiliated companies, including TSNIITMASH, OKB Gidropress, OKBM Afrikantov, AEM-Technologies, CKMB, Energomashspetsstal, ZiO-Podolsk, and AEM-Technologies Volgodonsk. Within the nuclear sector, the group’s capabilities are associated with equipment and engineering for nuclear power plants. Its subsidiary structure includes organizations focused on research, design, reactor and plant engineering, and manufacturing. The portfolio also reaches beyond nuclear power: Atomenergomash has supplied or developed equipment relevant to conventional thermal generation, gas processing, petrochemicals, shipbuilding, and specialized steel production. The resulting business model is that of an integrated industrial holding, with design and manufacturing resources organized around large infrastructure and energy projects. Atomenergomash has also pursued international and partnership-based activity. It established a joint venture with Alstom, later associated with GE Steam Power, for the manufacture of Arabelle steam turbines and generators. In 2010, Atomenergomash and Ukraine’s nuclear power company Energoatom agreed to create a consortium intended to produce equipment for Ukrainian nuclear power plants. The group also maintained subsidiaries in Hungary and the Czech Republic. These activities indicate an effort to extend its industrial relationships and manufacturing footprint beyond Russia, although the available reference material does not provide a current breakdown of revenue, markets, or international project performance. The company announced plans in 2010 to enter wind-turbine manufacturing and develop wind farms, showing an interest in broadening its energy-industry scope beyond conventional and nuclear generation. The available information does not establish the eventual scale or continuity of that initiative. Atomenergomash is reported as employing more than 17,000 people together with its subsidiaries, underscoring its position as a substantial industrial group within the Rosatom ecosystem. Current detailed financial data, a corporate website, and a complete chronology of management changes are not established by the supplied sources.

History

Atomenergomash was created in 2006 within Rosatom State Atomic Energy Corporation as a dedicated mechanical-engineering division. Its formation gave Rosatom a holding structure for industrial design, manufacturing, and equipment supply connected with nuclear power and related heavy industries. The company developed as a multi-sector engineering group rather than a narrowly focused reactor-equipment manufacturer. Its activities came to encompass equipment for nuclear and thermal power plants, the natural-gas and petrochemical sectors, shipbuilding, and special-steel production. This breadth was supported by a portfolio of subsidiaries and affiliated enterprises, including TSNIITMASH, OKB Gidropress, OKBM Afrikantov, AEM-Technologies, CKMB, Energomashspetsstal, ZiO-Podolsk, and AEM-Technologies Volgodonsk. Together, these organizations provided design, research, manufacturing, and metallurgy capabilities. A significant stage in the group’s development was its cooperation with Alstom. Atomenergomash established a joint venture with the company to manufacture Arabelle steam turbines and generators. The partnership linked the Russian engineering group to a major international power-equipment technology platform; the relevant business later became associated with GE Steam Power after Alstom’s power activities changed ownership. In October 2010, Atomenergomash and Ukraine’s nuclear power company Energoatom agreed to establish a consortium for the production of equipment for Ukrainian nuclear power plants. The agreement reflected the company’s interest in regional nuclear-industry cooperation and in using its manufacturing base for projects outside Russia. The group also had subsidiaries in Hungary and the Czech Republic, giving it an international corporate presence. In November 2010, Atomenergomash announced plans to manufacture wind turbines and develop wind farms. The announcement represented a proposed expansion into renewable-energy equipment and generation development. The supplied reference material does not provide enough information to determine the long-term outcome, scale, or current status of that initiative. Atomenergomash is described as having more than 17,000 employees together with its subsidiaries. It remains identified as Rosatom’s mechanical-engineering division and as a supplier to nuclear, conventional power, gas, petrochemical, shipbuilding, and special-steel markets. The available reference material does not establish a detailed recent financial history, a current list of all subsidiaries, or a complete record of leadership changes.

  • 2010

    Agreement with Energoatom

    [1]

    Atomenergomash and Ukraine’s Energoatom agreed to form a consortium intended to manufacture equipment for Ukrainian nuclear power plants.

  • 2010

    Wind-energy expansion plans

    [1]

    The group announced plans to manufacture wind turbines and develop wind farms.

  • 2006

    Established within Rosatom

    [1]

    Atomenergomash was established as part of Rosatom State Atomic Energy Corporation and became its mechanical-engineering division.

Products and positioning

An integrated heavy-engineering and power-equipment holding within Rosatom, positioned around design, manufacturing, metallurgy, and project supply for nuclear and other energy and industrial markets.

  • Nuclear power engineering

    Nuclear power plant equipment

    Atomenergomash designs, manufactures, and supplies equipment for nuclear power plants through its engineering and manufacturing subsidiaries. The group’s structure includes specialized nuclear research, design, and equipment organizations, supporting its role as Rosatom’s mechanical-engineering arm.

  • Power-generation equipment

    Thermal power equipment

    The holding supplies equipment for thermal power generation, extending its power-engineering activities beyond the nuclear sector. The available source identifies this as a core operating area but does not specify individual product models or current production volumes.

  • Steam turbines and generators

    Arabelle steam turbines and generators

    Through a joint venture established with Alstom, Atomenergomash participated in the manufacture of Arabelle steam turbines and generators. The partnership connected the group with internationally used power-generation technology; the related Alstom power business later became associated with GE Steam Power.

  • Industrial process equipment

    Gas and petrochemical equipment

    Atomenergomash supplies engineering and equipment capabilities for the natural-gas and petrochemical industries. The reference material does not identify specific equipment families, installations, or product names within this category.

  • Marine and shipbuilding equipment

    Shipbuilding equipment

    Shipbuilding is one of the industrial markets served by Atomenergomash and its subsidiaries. Its involvement is described at sector level, without sufficient source detail to specify particular marine systems or vessel programs.

  • Specialty metallurgy

    Special grades of steel

    The group is active in the production and supply of special steel grades used in demanding energy and industrial applications. Energomashspetsstal is identified among the companies within its structure, but detailed grades and specifications are not provided.

Brand decisions

  • 2010

    Consortium for Ukrainian nuclear-equipment productionStrategy

    Background

    Atomenergomash and Ukraine’s nuclear power company Energoatom sought to create a consortium for the production of equipment for Ukrainian nuclear power plants.

    Action taken

    The companies agreed to establish a joint consortium focused on nuclear-power equipment manufacturing.

    Aftermath

    The available source records the agreement but does not establish the consortium’s later performance, production output, or continuing status.

  • 2010

    Proposed entry into wind energyStrategy

    Background

    The company considered expanding its energy-equipment activities into renewable generation and wind-turbine manufacturing.

    Action taken

    Atomenergomash announced plans to begin manufacturing wind turbines and developing wind farms.

    Aftermath

    No reliable outcome or current status of the wind-energy plans is provided by the supplied reference material.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/atomenergomash · Editorial policy · How profiles are compiled