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The software MEEC—Montenegrin Energy Efficiency Certification was developed for the certification of the buildings according to the law on efficient use of energy (published in the official gazette of Montenegro no. 57/14, 3/15), the law on energy efficiency ("official gazette of Montenegro", no. 29/10) and the rule book on minimum energy efficiency requirements for buildings.

The certification of buildings requires amongst other documents an Energy Performance Certificates (EPCs) for buildings, which must be calculated with this software.
The software has two operation modes:

  • Certification: The building’s energy performance is calculated with standard conditions like pre-defined user profiles, which may not be altered for the certification
  • Consumption calculation, where the user profile can be adapted to the building’s actual usage. This mode does not take metered consumption into account.

The calculation is compliant with the requirements of the European directive on the energy performance of buildings (Directive (EU) 2018/844 of the European Parliament and of the Council of 30 May 2018 amending Directive 2010/31/EU on the energy performance of buildings and Directive 2012/27/EU on energy efficiency)
The calculation itself is using the German DIN V 18599. This standard meets the requirements in EPBD 2018 Annex 1, where it is defined that “Member States shall describe their national calculation methodology following the national annexes of the overarching standards, namely ISO 52000-1, 52003-1, 52010-1, 52016-1, and 52018-1, developed under mandate M/480 given to the European Committee for Standardization (CEN)”. The software uses the calculation library ibp18599kernel from the Fraunhofer Institute for Building Physics, which implements the methodology of DIN V 18599:2018 to calculate energy need, energy use and primary energy or buildings


The software can be downloaded after registering as a user on this site.


The software has been developed in the context of the Energy Efficiency Programme in Public Buildings.
The partners in the project are:
- Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung EV - Fraunhofer Institute for Building Physics IBP, Germany
- Ministry of Economy / Directorate for Energy Efficiency, Montenegro
- Energy Efficiency Programme in Public Buildings (EEPPB)
- Ministry for Economic Cooperation and Development, Germany
- KfW Bankengruppe, Germany