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L.E.N.I.<br />
For each intended location there are<br />
12 limit values that vary according to<br />
the type of lighting system<br />
Energy requirements<br />
for lighting<br />
Lighting Energy Numeric Indicator specifying the assessment method<br />
for quantifying the energy used for interior lighting in buildings.<br />
Intended use 20 40 60 80 100 120 140 160 180<br />
Offices<br />
Education<br />
Hospitals<br />
Hotels<br />
Restaurants<br />
Sport<br />
Retail<br />
Production<br />
• Total lighting power<br />
• Constant lighting<br />
• Natural light use (yes/no)<br />
• Occupation factor<br />
• Natural light factor<br />
Centre for Research and Development of Brembo<br />
Km Rosso, Stezzano (Bergamo) - Italy<br />
Architectural design: Jean Nouvel<br />
Photo: Matteo Piazza<br />
32.2 67.1<br />
24.8 54.9<br />
50.7 160.8<br />
34.6 108.1<br />
27.1 92.1<br />
37.9 123.7<br />
70.6 178.1<br />
37.5 123.7<br />
• Parasite power (CTRLS)<br />
• Total circuit power<br />
• Use of energy saving luminaires<br />
• Light management system<br />
KWh/m 2<br />
year<br />
9
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