Versatile use of steel in the energy sector. Steel is the ideal material for a wide range of applications. We take advantage of this unique feature of steel to create value for companies active in the - fossil and renewable - energy sector.

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Great diversity of individual solutions

From the exploration, extraction, production and refining of mineral oil and natural gas – offshore and onshore – via thermal and nuclear energy generation, up to and including renewables: our solutions are just as versatile as the energy sector itself. In a market environment as dynamic as the energy sector, one of our core capabilities as a steel company is to bring to bear the great versatility of steel in solutions perfectly tailored to the task or target on hand. Our innovative powers, swift and flexible action, combined with the know-how and expertise of our teams of specialist employees, enable us to find the optimum solution for every task in industry.

Development expertise

Innovation is essential in the various sectors of the energy industry, and not only where renewable energy, climate protection and energy-efficiency are concerned. In close cooperation with our customers, the experts in our application development departments evolve successful new solutions that meet or even exceed our customers’ requirements and expectations, not least of all in terms of economic efficiency. Innovative components for pumps, valves and the entire oil rig industry play a key role, as do high-strength, highly temperature-resistant steels that boost the overall efficiency of thermal power stations.


We supply specialised products for energy generation in reactors. The enormous loads that these products withstand impressively illustrate the immense challenges that confront our specialist teams every day. At Energietechnik Essen, for example, we manufacture rotor retaining rings that stand up to enormous centrifugal forces and guarantee the safety of turbo-generators in energy generation plants around the world. In many cases, it is only our generator shafts and our components for rotor gears in offshore wind-energy installations that make the safe and dependable supply of energy at all possible.


In industries in which safety and efficiency are critical, reliability is the crucial factor in success. It is for precisely this reason that we have in place an ultra-reliable, all-encompassing quality assurance system, supply only exhaustively tested materials, and manufacture components to the highest accuracy standards. The materials we use in our and our customers’ products comply with all relevant international standards and with our customers' specifications. We can guarantee optimum repeatable results of the very highest quality because we produce on our own, high-performance facilities with the security of a quality management system that leaves nothing to chance. We thus do everything in our power to ensure that our customers' competitiveness remains assured - both now and in the future.

GMH Gruppe's products and services

GMH Gruppe, with its innovative powers, proven capabilities and vast store of know-how, is the first port of call for customers from the energy sector. We supply what you need - today and tomorrow. Concepts, solutions, materials, components, machining services and much much more.

The GMH Gruppe companies are renowned in the energy industry for their top-ranking mechanical-engineering achievements and as innovative enablers that play key roles in groundbreaking projects - the ITER nuclear reactor, for example. Seamlessly rolled rings, critical components for gas and steam turbines, generators for (nuclear) power plants, high-output engines, storage and transport casks (Castor), components for the recovery of fossil fuels (via fracking, for example), and turbine components for hydroelectric power stations (Pelton wheels) – anything we do not already produce, we develop in cooperation with our customers.

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Technologies to meet future challenges

For our customers, we are not only the partner of choice, we are also enablers and pioneering thinkers. Learn what drives us here.

Waste heat recovery and utilisation in the steel industry

This is how we avoid tonnes of CO2 emissions every year.

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Bous steel plant: new filter installation

Latest state of the art.

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Capabilities that inspire trust


Our Schmiedewerke Gröditz forging facilities validate our claim to make no compromises where quality and precision are concerned. For the ITER nuclear reactor – yet another global-level project - our experts fabricated not only thirty-five forged radial plates with item weights of around 25 tonnes, they also supplied the highly complex hammer forgings for the so-called vacuum vessel – high-tech executed to ultra-demanding technical specifications.

Waste-heat recovery and utilisation

At our facilities in Georgsmarienhütte and Gröditz we have further refined sophisticated technologies to ensure the most efficient possible use of the unavoidable waste heat yielded in steel mills - for utilisation both in our production plants and for feeding of surplus process heat into the regional district heating system. Even our steelmaking plant in Georgsmarienhütte alone saves an annual 1500 tonnes of CO2 in this way. This has earned it high acclaim from the German Energy Agency (dena) as a "Beacon of energy-efficient use of waste heat".


Energy-efficiency and climate protection are necessary in the steel industry, too. Efficient use of waste heat in our facilities is a strategy that we implement consistently and successfully. All the other demands made on us are equally exacting, however, and we are working unceasingly on the optimisation of our production processes and logistical procedures. In addition to this, our production activities take place exercising the greatest possible care to ensure maximum conservation of natural resources: for this reason, for example, we have in place an ultra-efficient recycling system, because: Steel is 100% recyclable.

Locational advantages

The high-power GMH Gruppe networks more than twenty individual steel-industry companies. Our objective: to exploit synergies in order to arrive quickly, flexibly and individually at exactly the right solution. Here at GMH, steel production, processing, application technology, research and development mesh intimately into one another. And for our energy-sector customers, we are also geographically close - our core market is Europe, where a robust and dependable infrastructure assures indisputable competitive advantages, including high delivery reliability and flexibility.

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