About GYSTEC HV Services GmbH

GYSTEC HV Services GmbH provides various professional services to the world leaders in the field of GIS switchgear around the globe. We are accredited/certified to install and cold-commission various manufacturers’ equipment up to 275kV furthermore internationally certified in the handling of SF6 gas.

Markus started his career in 1993 with Sprecher Energie (former Sprecher & Schuh) in Switzerland, which is known today as GE / General Electric.

His career within GE / General Electric comprised of drafting of GIS erection / installation drawings within the Drafting Department, costing of new GIS and installations within the Sales Department and project management of GIS installation within the GIS Service and Maintenance Department.

Markus started installing and cold-commissioning GIS in 1999 and since then has completed various installations spanning an international base.

Enriching the market with experience, skills and skills transfer in the
field of Gas Insulated Switchgear.



GIS Installation

Offloading, unpacking, installing and cold-commissioning according to manufacturer procedures, specifications or guidelines.

SF6 Gas Leak Detection and Repairs

Elimination of SF6 gas leaks to ensure a trouble-free GIS operation as well as adhering to local and international environmental policies and specifications.

GIS Cold-Commissioning

According to manufacturer procedures and specifications.

SF6 Gas Quality Measurements

Monitoring the SF6 gas quality over the lifecycle ensures the faultless operation of the GIS.

GIS High Voltage Testing

Setup of high voltage test equipment and assisting with manufacturer high voltage test procedure.

SF6 Gas Handling and Training

Internationally certified SF6 gas handling as well as transfer of basic knowledge and skills in accordance with international standard and practices.

GIS Maintenance, service and inspection

Corrective and/or preventive actions according to OEM schedule for trouble-free operation.

GIS Operational Training for Customer Personnel

Familiarize customer personnel with the switchgear and transfer basic GIS knowledge and skills.

GIS Repairs

Restoration of damaged or failed equipment to an acceptable operating condition.


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