The new LED street light costs have a higher purchase costs, but these excess costs in theory, with its lower power consumption and maintenance costs offset.
Lighting retrofit project, the LED replacement lamp all the work on the automatic control circuit, work 12 hours a day, five days a week, 52 weeks a year (3120 hours / year). LEDPAR38 announced the useful life is 50,000 hours, in accordance with the above use, equivalent to 16 years. The average life expectancy of two fluorescent lamps is 8000 hours, equivalent to two years and six months.
In the United States, different states or different geographical and commercial electricity price has a big gap. April 2011, the average retail electricity price given by the United States is about 0.1 $ / KWh tariff rate from Hawaii 0.284 $ / KWh to the Utah minimum .0695 $ / KWh. Generally speaking, LED street light costs, able to withstand the economic areas of high electricity bills, because they bring energy savings sufficient to compensate for their own high sales price.
CFL spectrum in the long-wavelength red range is weak, compared to halogen or LED lights, which appear to be biased in favor of the yellow-green. Cree led high bay light can provide better light quality, and the halogen incandescent lamp spectrum, with a high color rendering index. Color rendering index, two CFL’s index of 82, two Cree LED 93 Cree LED lights will be more in the red spectral region of the long-wavelength energy distribution.
The annual replacement cost of the Bonneville Power Authority CFLR30 lights about 424.69 $ 537.26 $ CFLPar38 including labor costs. In the same circumstances, the LED new lamp reset each year to spend about 275.56 $. LED lights in the 16-year life cycle will not damage or maintenance.