Its role Technology / equipment supplier
NEM Energy Group is a leading global original equipment manufacturer (OEM) and service provider specializing in heat transfer technology and energy recovery solutions for power generation, oil and gas, industrial, nuclear, and geothermal applications.
The company designs, engineers, manufactures, and delivers Heat Recovery Steam Generators (HRSGs) including its patented DrumPlus™ fast-start technology, Waste Heat Recovery Units (WHRUs), exhaust and diverter systems, and a range of heat exchangers such as condensers and feedwater heaters. It also offers extensive aftermarket services including inspections, optimizations, refurbishments, and lifetime support for its own and third-party equipment.
Headquartered in Zoeterwoude, the Netherlands, NEM Energy Group operates internationally with projects on six continents and customers in more than 40 countries. It maintains operations in the Netherlands, Germany, and India, employing around 470 people. The group comprises NEM Energy and NEM Balcke-Dürr business units.
Founded in 1929 in Leiden as Nederlandsche Electrolasch Maatschappij, the company became an HRSG OEM in the 1960s and was part of Siemens Energy from 2011 until 2022. It was acquired by Mutares SE & Co. KGaA in 2022 and integrated with Balcke-Dürr; in June 2026, Mutares announced an agreement to sell the group to Hyundai Heavy Industries Power Systems, with closing expected in Q3 2026.
NEM Energy Group is recognized as a top-tier supplier of efficient, flexible, and hydrogen-ready HRSG solutions, supporting the energy transition through high-performance equipment for combined-cycle plants and other critical infrastructure worldwide.
Also known as NEM, Nederlandsche Electrolasch Maatschappij, Siemens Heat Transfer Technology, and NEM Balcke-Dürr.
chemXplore tracks 1 project involving NEM Energy, of which one is active.
1 more active project is in the record. See all 1 in chemXplore →
Q2 EBIT €73m (5% margin); H1 orders €6bn and backlog €14bn; >€5bn UAE sole‑contract win; Greenlight gas+CCS plant to power a META data centre; guidance above €6.5bn revenue.
Consortium to build a 932 MW combined‑cycle gas plant in Alberta to power META’s large AI data centre; plant will include carbon capture and can be doubled to 1,864 MW.
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