Journal
ENERGIES
Volume 14, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/en14020378
Keywords
perceived lighting quality index (PLQI); street lighting (SL); urban environment; scenario-assessment; modelling
Categories
Funding
- Israel Ministry of Science Technology [35740]
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By developing a novel empirical approach and applying it to a densely populated residential neighborhood in the City of Tel Aviv-Yafo in Israel, the authors were able to identify over-illuminated areas and calculate potential energy savings. According to their estimates, illumination levels can be reduced by up to 50% in approximately 60% of the neighborhood's area.
If excessive and misdirected, street lighting (SL) causes energy waste and might pose significant risks to humans and natural ecosystems. Based on data collected by an interactive user-oriented method, we developed a novel empirical approach that enables the spatial identification of over-illuminated areas in residential neighborhoods and calculation of potential energy savings that can be achieved there, by reducing excessive illumination. We applied the estimated model to a densely populated residential neighborhood in the City of Tel Aviv-Yafo in Israel, to test the proposed approach's performance. According to our estimates, illumination levels can be lowered by up to 50% in approximately 60% of the neighborhood's area, which is currently over-illuminated, thus leading to significant energy savings, while preserving a reasonable level of visual comfort associated with SL.
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