Overview

NEM Energy is a Netherlands-based manufacturer of heat recovery steam generators, waste heat recovery units, exhaust systems and heat exchangers. The company was founded in 1929 and is headquartered in Numansdorp, South Holland. It employs between 200 and 500 people, with estimated revenue of $250-500M. It is privately held, with Mutares SE & Co. KGaA as owner, and serves the power generation, automotive, renewable energy and industrial equipment sectors. In 2026 it was awarded heat recovery steam generator scope for the Trmíce combined cycle power plant in the Czech Republic.

At a glance

What NEM Energy makes

The company holds ISO 9001, ISO 14001 and ISO 45001 certifications and offers custom engineering, manufacturing and full lifecycle aftermarket services.

Products and capabilities described on the company's own site include Emissions (source: nem-energy.com).

Certifications

NEM Energy is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — nem-energy.com

• ISO 45001 — nem-energy.com

• ISO 9001 — nem-energy.com

Latest developments

• 2026-08-06 — NEM Energy awarded OTSG scope for the Trmíce combined cycle power plant, Czech Republic - NEM Energy (nem-energy.com)

• 2026-06-16 — NEM Energy Secures New Contracts for Câmpia Turzii Power Plant in Romania - NEM Energy (nem-energy.com)

• 2026-05-04 — NEM Energy awarded major contract for Karadeniz KP9X offshore power project - NEM Energy (nem-energy.com)

• 2026-03-19 — NEM Energy Group to supply HRSGs for the Greenlight Electricity Centre in Alberta, Canada - NEM Energy (nem-energy.com)

• 2026-03-03 — NEM Energy Awarded HRSG Scope for Gotland Horizon X Marine Project - NEM Energy (nem-energy.com)

• 2025-11-21 — NEM Energy extends HRSG license agreement with ISGEC - NEM Energy (nem-energy.com)

Facilities

NEM Energy is headquartered in Numansdorp, South Holland. Public sources also reference these locations:

• Romania — nem-energy.com

Company details

NEM Energy is owned by Mutares SE & Co. KGaA and operates across four business units, including Heat Recovery Solutions and Global Aftermarket Services. NEM Energy was founded in 1929, has an estimated 200-500 employees, and is headquartered in Numansdorp, South Holland. On the LightSource stability read it is rated "Established & active": 97 years in operation (founded 1929). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does NEM Energy do?

NEM Energy is a Netherlands-based manufacturer of heat recovery steam generators, waste heat recovery units, exhaust systems and heat exchangers. The company was founded in 1929 and is headquartered in Numansdorp, South Holland. It employs between 200 and 500 people, with estimated revenue of $250-500M. It is privately held, with Mutares SE & Co. KGaA as owner, and serves the power generation, automotive, renewable energy and industrial equipment sectors. In 2026 it was awarded heat recovery steam generator scope for the Trmíce combined cycle power plant in the Czech Republic.

Where is NEM Energy headquartered?

NEM Energy is headquartered in Numansdorp, South Holland (Provincieweg, Numansdorp, South Holland, 3281).

When was NEM Energy founded?

NEM Energy was founded in 1929.

How big is NEM Energy?

NEM Energy has an estimated 200-500 employees, with revenue in the $250-500M range (estimated).

What certifications does NEM Energy hold?

NEM Energy lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.