Respecting the legal obligation and own business orientation towards energy-efficient concepts and solutions, Telektra has made among the first energy certificate for its office building in Sesvete. In Telektra’s office building, headquarters, there are offices, showroom with the lighting fixtures in offer and storage and technical spaces.
The energy certificate of the building is a document showing energy characteristics of a building. Based on the calculation of specific annual required heat energy for heating,  individual buildings is classified in class of energy consumption.

In the process of making energy certificate was made energy examination of the building during which were analyzed all energy systems and external envelope of the building. The result and consequence of such examination were proposed concrete measures for improving the energy efficiency of the building. Telektra plans to include proposed measures into business plans and through investments in the implementation of these measures to raise energy efficiency level of office building.
With this step Telektra reaffirms once more its commitment to the concepts of energy efficiency already proven through the company's main activities: lighting design, electrical installation process and representation of reputable manufacturers of lighting fixtures with an emphasis on energy efficiency and use of modern and  most efficient technologies.