Power Systems

We help to ensure the security of power supply, its economic viability and environmental compatibility

A reliable energy supply is a cardinal instrument for the sustainable development of every economy, and it poses a permanent challenge for power generation, as well as for power at the level of power transmission and distribution.

Consisting of experienced and globally operating consultants, intec takes on the complexity of the planning, extension, rehabilitation, operation and control of electrical power systems by applying state-of-the-art technology and identifying cost-effective solutions.

Our technical and innovative concepts, and our expertise in the implementation of Engineering, Procurement and Construction (EPC) contracts, allow our customers to adapt their electric power system to ever-changing demand and environmental conditions, and ensure that this continues to meet all the requirements well into the future.

We also work on solutions for regions confronted with specific challenges, such as dispersed demographic structures, considerable distances between power production centres and centres of consumption, or extremely low load density in rural areas.

Together with our clients, we define the tools to ensure reliable and efficient power generation, to increase the availability of the network, to respond faster and more effectively to malfunctions, and to reduce the risk of system disturbances and outages.

intec's engineering & design competence covers electrical, mechanical and hydro-mechanical works, civil works, power control, protection and telecommunication for all applicable power generation, transmission and distribution systems. Our services are not limited to technical aspects, but also include social and environmental impact analyses, health and safety aspects, financial management and organisation, and human development.


Power Systems - Network-planning

Network planning is a complex process encompassing collection and analysis of a large number of technical and non-technical data aimed at ensuring reliable and stable power systems in the present and/or in the future.


intec’s offers professional methods for analysis and calculation of transmission networks for all voltage levels (from simple point-to-point interconnection to extra-high-voltage transmission networks), medium and low voltage distribution networks of any size (from micro grids to large interconnected power systems). Our experts provide power system modelling and analyses grid integration studies as well as grid stability analyses using various modern and internationally renowned software such as Siemens PSS®E and SINCAL, DigSILENT, PowerFactory, NEPLAN, WASP, ArcGIS etc.


intec’s team of specialists is also able to perform development plans for distribution and transmission networks, including grid integration studies of conventional and renewable power plants, and subsequently to establish grid codes and other documents defining technical requirements and operation rules for all energy market participants.


In accordance with the best engineering practice, we can provide our clients at the operation level of power systems with information or complete studies a day or several days ahead of operation, such as forecast modelling and analyses, net transfer capacity, generation adequacy analyses, protection coordination studies, solutions for high penetration of variable renewable sources, power quality, power system stability, congestions or short circuit currents, etc.


In the framework of all these activities, intec has the knowhow and experience to organise adequate appropriate training programmes on a diverse range of topics.


Power Systems

The design and construction of high-voltage and extra-high voltage power grids pose special requirements with regard to their safety and stability. intec is one of the leading engineering and consulting companies to have a solid and integrated base of know-how and experience with national and interconnected power grids up to 750 kV.


Using high-performance tools, intec offers its clients high quality consulting, design and engineering services in the field of rehabilitation, new erection and extension of overhead-transmission lines, substations and switchgears including transformer stations, underground cables including auxiliary systems and secondary equipment.


For example, we are one of the few international consulting companies with in-depth experience in the application of sophisticated technologies, such as Gas Insulated Switchgear (GIS) for up to 400kV substations, converter stations, installation of optical fibre cables (OPGW, ADSS, OPUG), underground cables up to 132 kV,  and submarine interconnections. Moreover, our specialists are among the most highly regarded designers of transmission towers under special weather and terrain conditions, including river crossings up to 1200 m span and 160 m tower height. 

Thanks to the high reliability of our solutions for HV and EHV networks, we deliver an extensive and fully managed EPC service, considering innovative approaches and utilising our strong engineering, advisory and management capacities. We are building on the long and successful relationships with our customers.


Power Systems - power-distribution

Power distribution systems and their efficiency, reliability and economic performance face a number of challenges caused by increased numbers of consumers and loads and also by the integration of renewable generation.


intec has a long history in the development of network concept’s and the implementation of power distribution projects worldwide. Its services range from the elaboration of draft and detailed designs to assistance during the provisional and final acceptance procedures, including the preparation of bidding documents, the assistance in procurement procedures and the administrative follow-up of construction con-tracts as well as the supervision or monitoring of works.


intec has acquired solid experience in the implementation of measures  for reducing technical and non-technical losses in distribution networks, not only in the operation but also in the planning phase.  A further focus of our competence lies in the detailed design of reliable urban and affordable rural distribution systems as well as the preparation of masterplans for optimizing power distribution at regional or national level. This includes also, among others, an optimized integration of hybrid and renewable power plants.


intec has integrated the geographical information systems (GIS) at all work levels. This enables the company to carry out complex analyses of spatial data, and to report to its clients with study results in easy-to-interpret thematic diagrams and geo-referenced drawings and schedules, which can be directly used in the implementation of power projects.


For all of the described activities, intec proposes training and skill development services for clients’ technical staff.


Power Systems - SCADA

The rapid increase in demand for power associated with the growing complexity of grid systems requires efficient monitoring of electricity flows and the application of provisions necessary for the coordinated operation of the system components (power generation plants, transmission and distribution grid).


intec is highly specialized with a team of internationally recognised professionals in hi-tech control mechanisms and Energy Management System applications at its disposal.


By providing comprehensive technical-economic consulting services for the implementation of Control/SCADA systems including SCADA platform of appropriate SCADA/EMS solutions, intec supports its clients, such as utilities, in managing their national or regional Power Grid Transmission Networks from dispatching control centers.


In connection with the construction of load dispatching centers, clients can place full confidence in our first-class engineering & consulting services. Our experts have extensive experience in all design, planning tasks and project management skills, including concept development, installation of telecommunication control systems and expansion of data transfer systems, construction management and system commissioning.  


Power Systems - Conventional-power-plants

A dependable and affordable energy supply is the basis for economic growth. Nevertheless, we have to make effective use of the energy resources currently available. New technologies can keep limited resources on hand for longer, reduce the environmental impact, and improve the security of the energy supply. For the next few decades, conventional power plants will continue to represent the backbone of the energy supply.


intec is providing engineering and management solutions for public and industrial energy enterprises in favour of new thermal-power and combined heat-and-power plants. Additionally, our in-depth familiarity with conventional, gas-turbine and diesel-engine technology using various fossil fuels forms a sound basis for the optimisation and assessment of existing plants.


intec provides comprehensive technical-economic consulting, planning and design services. Our team handles all contract phases, from civil and process engineering, to mechanical engineering, to electrical and I&C engineering, as well as commissioning supervision.


Our international team of experts are mastering all modern technologies as well as the planning and project management skills required to develop customised concepts, construction management and plant commissioning at the highest quality level.