Cookie Consent

Grzib Elektrotechnik GmbH & Co. KG

Zur Kokerei 21DE46117Oberhausen
Phone:+49 (0)208 884 839 24
Fax:+49 (0)208 884 839 26
Service provider with more than 20 years of experience in the wind industry

Electrical installation of wind turbines throughout Europe | Maintenance & service of transformers, MV switchgears, converters


We are not only available in Germany, but also in other European countries: So far, we have successfully installed around 3,100 wind turbines all over Europe.

The requirements of planning and erecting a wind farm are diverse. Especially external partners need to be reliable, flexible and professional, demonstrating their work experience at its best in order to complete these projects successfully and failure-free.  With us, our customers have found a qualified and flexible partner. We know the challenges in project planning and are therefore able to offer customer-oriented services to avoid disturbances and difficulties.

Our range of services during new construction projects and repowering includes:

Work in the low-voltage range

  • Visible installations such as inner and outer tower lighting
  • Cabling of power cables (Connection converter to transformer)
  • Implementing transformer and plant protection

Work in the medium-voltage range

  • Connection of medium-voltage switchgear to transformer
  • Commissioning of transformers and medium-voltage switchgears
  • Switching operations in the medium-voltage range up to 36 kV
  • Implementation of earthing and lightning protection concept

Work in the field of measurement and control technology

  • Cabling of superior parking controllers and their signal exchange

Maintenance and service of transformer, medium-voltage switchgear and converter

Other services

  • Installation of cable support systems in steel and hybrid towers
  • Delivery of WTG-specific safety equipment
  • Assembly of medium-voltage cable bridges according to customer requirements

For more information go to

more data:
  • Founded: 1998
  • Sales: € 3.5 million of which wind energy: 3.5 million
  • Employees: 25