ENERGY SAVING PUBLIC LIGHTING IN MALTA - MIEMA

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Energy Saving Public Lighting in MaltaFigure 5 Solar Powered Lighting in St Paul’s BayApart from reducing electricity costs, these solar powered lights have theadvantage of requiring less lighting equipment than normal street lights. Adisadvantage of these solar-powered lights is that they should be cleanedregularly as the dust and dirt which accumulates over the photovoltaic panelcan affect the performance of the lighting hours by up to 50%. Also, theperformance of these lights depends on the weather, but this is not a seriousissue in the Maltese Islands since they have the highest insolation levels inEurope and sunshine almost all year round. The photovoltaic panel on eachpole was nevertheless slightly bigger than required. These safety measuresensured that enough solar energy was absorbed by each panel in extremeconditions.Such an item does not require any form of infrastructure, making it the bestcandidate for places with a weak grid or no grid at all. Solar poweredsolutions perfectly suit rural areas with such weaknesses. The provision of lightat night can enhance mobility, safety and hygiene.Malta Intelligent Energy Management Agency 16
Energy Saving Public Lighting in Malta5.3 Road SignageSome local councils have adopted a similar idea to illuminate temporary andpermanent traffic signs. Scientific research proved that the lifetime of LEDsdoes not deteriorate with frequent switching. This made them the preferredcandidate for dimming and warning lights. LEDs are being increasingly usedin traffic diversion signs (temporarily) and zebra crossings. Feedback from thelocal councils concerned has revealed such signage systems to be morevisible to drivers. In this manner, such a fixture does not only reduce thecapital costs and GHG, but increases the safety on the roads.Examples of energy saving lighting for traffic signs may be seen at Xlendi(Munxar Local Council), in Gozo, and Naxxar.Figure 6 Solar Powered Lighting at Xlendi on the island of GozoMalta Intelligent Energy Management Agency 17
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ENERGY SAVING PUBLIC LIGHTING IN MALTA - MIEMA

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