The standard establishes the minimum energy efficiency levels in erms of Electric Power Density, applied to lighting systems for general interior and exterior use in non-residential buildings, as well as to extensions and modifications of existing buildings. IT applies to buildings with a total lighting connected load equal to 3kW or more. See reference below for details. IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]