SBEM / LENI (Simplified Building Energy Model) / (Lighting Energy Numeric Indicator)

It was originally based on the Dutch methodology NEN 2916:1998 (Energy Performance of Non-Residential Buildings) and has since been modified to comply with the recent CEN Standards. Details of the calculation method, the algorithms used and the assumptions made are provided in the SBEM Technical Manual.

The element that the lighting installation falls under is called the LENI (Lighting Energy Numeric Indicator)value.

The LENI value is arrived to using a calculation, for more information, please see this pdf download.

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