The Directive includes requirements on calculation of energy performance in buildings, minimum energy performance requirements for new and renovated buildings, energy certification of buildings and inspection of boilers and air condition systems. The National Office of Building Technology and Administration is the national authority responsible for implementing the Building Code. This includes developing technical regulations for energy need in buildings. Enova and the Norwegian Water Resources and Energy Directorate is responsible for implementing requirements for energy certification of buildings and inspection of boilers and air condition systems. From 1 July 2010 these provisions were fully in force. IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]