Greiner Schaltanlagen: Switchgear and system solutions for energy and building technology – since 1954

Greiner Schaltanlagen GmbH is a medium-sized family-owned company based in Kerzenheim, Rhineland- Pfalz, with more than 60 years of experience in switchgear construction. We develop and manufacture tailor-made systems for power distribution and building automation – reliable, flexible and future-proof.

With a clear focus on quality, flexibility and sustainability, we are a reliable partner for our customers in planning, implementation and maintenance at every step. Our field-tested solutions meet the highest quality standards and are already in use in over 30,000 projects worldwide – whether for grid operators, large-scale industry, chemical companies, medium-sized companies from a wide range of industries or for critical infrastructures.

Vogelperspektive des Greiner Schaltanlagen Standortes in Kerzenheim — Firmensitz der GREINER Schaltanlagen GmbH in Kerzenheim, Rheinland- Pfalz.

Vogelperspektive des Greiner Schaltanlagen Standortes in Schwarzheide. — Headquarters of GREINER Electrical Engineering and System Construction GmbH in Schwarzheide, Brandenburg.

Our expertise – your advantage

Complete vertical integration: From engineering to production to assembly – all processes are carried out in-house. In this way, we guarantee the highest quality and flexibility in the implementation of individual customer requirements.
Innovative products: With our air-insulated medium-voltage switchgear (GEMIS),® motor control centers (GENIMOD®) and flexible cabinet systems (GENIFLEX,® GNS), we offer solutions that are characterized by high efficiency and adaptability.
Certified quality: Our quality management system is certified according to DIN EN ISO 9001. We ensure the highest precision and reliability at every step – from customer-centric design with powerful CAD software to assembly by our experienced staff in compliance with SCC-VAZ-2021 certified safety and environmental standards.

Our company structure – your added value

Greiner Schaltanlagen

Headquarters of the company and location of the most modern machining center for busbars, housings and complete systems. This is where mechanical components and customer-specific solutions are created. Company headquarters in Kerzenheim.

Greiner Elektrotechnik und Systembau

Manufactures complex, type-approved power distribution systems and raised floor systems – ideal for industrial applications. Subsidiary, headquarters in Schwarzheide.

Comexio: Gebäudeautomation & Energiemanagement

Specialized in building automation, smart metering and monitoring systems for switchgear. In this way, we offer you intelligent solutions from a single source. Subsidiary, headquarters in Kerzenheim.

Our company history – proven quality

1954

Founding of the electrical installation company August Greiner Elektrotechnik.

1961

Start of switchgear production.

1965

Move into the first production hall at the current location.

1970

Supply of low-voltage switchgear for industry.

1975

Delivery of the first medium-voltage switchgear 20 kV.

1991

Founding of a subsidiary in Schwarzheide.

1992

Start of production of raised floor systems.

1993

Start of the production of mechanical components.

1997

Expansion of the production area in Schwarzheide by 2200 m² (in the picture above).

1998

Expansion of the production area in Kerzenheim by 3700 m².

2000

Market launch of the low-voltage switchgear system in slide-in technology type GENIMOD®.

2005

Conclusion of worldwide framework agreements with well-known customers in the chemical industry.

2006

Market launch of the new generation GENIMOD®.

2009

Development and market launch of GEMIS® …. Air-insulated medium-voltage switchgear.

2010

Development and market launch of GENIFLEX® …. variable, flexible cabinet system, field distributors, network cabinets, innovative enclosures for network technology.

2013

Founding of the sister company COMEXIO and thus entry into building automation Development, manufacture and marketing of innovative products for smart home and smart metering.

2014

Development and market launch of GEMIS® 24/20. Air-insulated medium-voltage switchgear for EVUs.

2016

Development and market launch of a double-walled aluminium outdoor control cabinet. Pictured: 25th anniversary of Greiner Elektrotechnik und Systembau GmbH.

2019

Development and market launch of GEMIS DSS … Air Insulated Medium Voltage Double Busbar Switchgear.

2024

Development and market launch of an outdoor-capable low-voltage main distribution board with a rated current of 4000 amps for use in large solar farms.

2025

Development and market launch of a 1-fold sealed medium-voltage switchgear with extendable circuit breaker in a compact design.

2025

Erhöhung der Nennwerte der Produktreihen GEMIS und GEMIS DSS auf die, durch den steigenden Energiebedarf bedingten, neuesten Anforderungen.

Selected projects we successfully completed for our customers from all over the world.

Where our employees create quality solutions everyday.