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The national software for calculation of energy performance of buildings - MEEC (Montenegrin Energy Efficiency Certification) was developed in accordance with the Law on efficient use of energy (O.G. of Montenegro no. 57/14, 29/10 and 140/22), Rulebook on minimum energy efficiency requirements for buildings (O.G. of Montenegro no. 47/24) and Rulebook on energy performance certification of buildings (O.G. of Montenegro no. 47/24).

MEEC software has two operation modes:

  • Calculation for certification of energy performance of buildings, where calculation is performed for standardized conditions, i.e. it is impossible to change data that are predefined in user profiles,
  • Energy consumption calculation, where the user profile can be adapted to the building’s actual usage. 

The calculation algorithm is compliant with the requirements of the EU Directive on the energy performance of buildings (EPBD) and based on 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 of buildings.


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


The software has been developed in under the project “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 Energy and Mining, Montenegro
  • Ministry for Economic Cooperation and Development, Germany
  • KfW Bankengruppe, Germany