We provide design, construction, inspection, service and repair of electrical equipment in the voltage level of 0.4 to 400kV - transformer stations, industrial installations, PV plants, biogas stations and public lighting. We carry out earthworks and earth protrusions. We offer services from project documentation to implementation.

Carrying out installation of industrial and domestic wiring and cable runs. We offer transformer and substation installations for 6, 22, 35 and 110 kV, earthing and lightning conductors, indoor and outdoor lighting, backup power and spare power supplies, motor and process installation including switchgear.

We provide design, construction, inspection, service and repair of electrical equipment in the voltage level of 0.4 to 400kV - transformer stations, industrial installations, PV plants, biogas stations and public lighting. We carry out earthworks and earth protrusions. We offer services from project documentation to implementation.

We are engaged in the revision of all types of installations with E1A authorization. Revision of electrical installations without voltage limitation and revision and inspection of PV plants of all types. We also carry out replacements and modifications of metering and circuit cabinets, including new connections.

We provide electrical installations and inspections of electrical equipment without voltage limitations. We manufacture switchboards for construction, industry and technology.

Offer measurement of voltage, currents, power, frequency, overvoltage, undervoltage, voltage unbalance, current and voltage harmonic components, reactive power compensation, power quality analysis, design and installation of compensation switchgear. 1/4 hour peak regulation, thermal imaging.

We provide electrical installation, wiring, inspection and repair of low and high voltage equipment. We build low voltage networks. We offer earthworks. We provide voltage connections, house and residential wiring, electric heating systems, lightning conductors or landscaping.

Projects, deliveries and assemblies in the electrical industry. Construction, reconstruction and repair of outdoor and cable networks of LV and HV. Installation and repair of public lighting. Connection of photovoltaic power plants to DS. Contract business partner of ČEZ Zákaznické služby.

We provide high and low current electrical installation for industrial and residential installations. We provide installation, repair, inspection and maintenance of substations, transformers, overhead and cable electrical distribution. We offer designing of electrical equipment from 0.4 kV to 110 kV.

Kormak Praha a. s. (PRE Group) offers the construction of electrical power structures, installation and repair of cable sets, construction and rental of transformer stations. Furthermore, installation of terminals and couplings, inspection, maintenance and contractual breakdown service. We provide complete design work and construction of public lighting.

We provide inspection of electrical installations up to 1000 V, electrical appliances and hand tools. Offer electrical installation and wiring work.