Joilet promotes LED and solar street lighting

Content Dam Leds En Ugc 2008 07 Joilet Promotes Led And Solar Street Lighting Leftcolumn Article Thumbnailimage File
16467 0 thumb Date Announced: 03 Jul 2008

3 reasons to switch from conventional street lights to LED street lighting NOW

More than 80% saving on power consumption ensures a complete return on investment in less than 17 months with colossal savings over the 10 year life of the product. Resultant reductions in harmful Co2 and So2 emissions are proportional.

Comparison of a conventional 400W sodium HP lamp and an equivalent JOL168W high power LED lamp based on 12 hours usage per 24 hour period:

Sodium HP power daily consumption = 14.83kWh
Joliet 168W high power LED daily consumption = 2.58kWh

Power saved per day (24 hours) = 12.25kWh

Average cost per kWh is 0.1325 Euro x 12.25kWh = 1.623 Euros saving per day/lamp.

An annual saving of 592.44 Euros per lamp. 59,244 Euros saved per 100 lamps.

This saving alone represents a complete return on investment (payback) of less than 17 months.

The minimum 10 year life span of Joliet LED lamps represents a saving of 5924.40 Euros per lamp over ten years. 592,440 Euros saved per 100 lamps for an initial investment of 81,500 Euros.

Conventional sodium HP or metal halide lamps have a life span of around one year requiring at least annual replacement and maintenance. Joliet high power LED lights require no regular maintenance further increasing savings on replacement bulbs, access equipment and labour costs.
New installations benefit from a substantial reduction in the cost of expensive heavy duty cable required for sodium lighting.

The exceptional photometric properties of Joliet high power LED street lights, in addition to offering a bright, natural light colour, provide a uniform rectangular beam pattern (40x16 meters at 12 meter height) that is 50% brighter and 50% larger than the oval beam pattern produced by a conventional lamp. This highly focused beam pattern allows LED lights to be spaced at much wider intervals than sodium lights increasing still further the savings achievable in initial investment requirement and operating costs.

Joliet Technology


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