3. Assess the energy performance of your lighting system
The NF EN 15193 standard (Energy performance of buildings – Energy requirements for lighting) provides a methodology for calculating lighting consumption for new or renovated buildings in line with the criteria of the French Energy Efficiency Standard ( directive européenne sur la performance énergétique des bâtiments (DE 2 002/91/CE) ).
The building's lighting consumption is calculated in kWh per square meter per year, in the form of the W/A indicator, with:
W total power (in W) consumed by lighting (lamps and power supply and management accessories);
Total usable floor space (in square meters) of the building.
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Assess the energy performance of your lighting system
Develop a relamping project
Regulations
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Articles R. 4213-1 to R. 4213-4
Articles R. 4223-4 to R. 4223-11
Normative references
NF EN 12464-1/2 Light and lighting – Lighting of workplaces – Part 1: Indoor workplaces – Part 2: Outdoor workplaces.
NF EN 15 193 Energy performance of buildings – Energy requirements for lighting.
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