Tests of switchgear (all voltage levels), protective devices, IS limiters, transformer stations at regular intervals.

Manufacturer-independent maintenance and repair of air and SF6-insulated high- and medium-voltage switchgear as well as of control and protection equipment, SCADA systems and metering and counting devices.

Damage analysis in the event of faults as well as preparation of rehabilitation proposals.

On-call service for emergencies.

High-voltage tests and partial discharge measurements with AC voltage from 0.1 Hz to 50 Hz.

Earthing measurements in substations, overhead line systems and switching stations.

Heat tests by means of infrared analysis.