Energy Management, conducive to its efficient use, nowadays constitutes a critical business activity in the pursuit of both sustainable development with respect to the environment and within corporate responsibility strategy.

For this purpose, OTE Group of companies have adopted, developed and implemented an Energy Management System (SDE), in accordance with the requirements of the international ISO 50001: 2011 standard.

OTEestate Energy Management section’s main objective is to tackle all relevant energy issues within OTE Group, some of which are the following :

  • Energy Management System extension planning with regard to additional Group’s facilities based on its energy policy priorities.
  • Energy review of facilities and equipment.
  • Determination of energy baseline per installation.
  • Determination of Energy Performance Indicators.
  • Design and implementation of systems for monitoring, measuring and analysing energy consumption (monitoring, measurement and analysis).
  • Implementation of energy improvement actions and introduction of innovative technologies to save energy.
  • Definition of specifications in cases of the procurement of services and products needed by OTE Group companies with energy efficiency characteristics.  
  • Adoption of Energy planning procedures when renovating existing facilities and equipment and/or implementing new ones.
  • Participation and support of the system during both internal and external inspections by an independent accredited certification body.
  • Tailor actions to train personnel and raise awareness of rational energy management.


At the same time, for and on behalf of OTE and COSMOTE we have managed energy audits at their mixed-use building facilities, such as offices, call centers, warehouses, stores, Data Centers & telecommunications technology spaces. The services provided include, inter alia:

  • Drafting of specifications and technical requirements.
  • Control the process of collecting measurements, calculations and analyses.
  • Analysis of proposed installation improvement measures.  Preparation for the integration of energy audited installations into the ISO 50001: 2011 Energy Management System.


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