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Calculating Payback LED-STREET-23

  1. Main
  2. LED-based illumination
  3. CALCULATION OF MERCHANTABILITY LED-STREET-23
Comparative calculation of the payback period Housing and public utilities lighting based on LEDs and incandescent lamps
LED Housing and public utilities lighting, LED-Street-23 (consumption 4 W)
Number of years count (pcs.) yearly consumption(24 hours/ day),kW price for 1 kW, UAH. (yearly +15% ) consumption bill, UAH price of a lighting+ bulbs UAH cost of bulbs replacement LED-St-23 
0  1,00     -     -     -     256,00     -  
 256,00   
 1     1,00     35,04     1,05     36,79     -     -     292,79   
 2     1,00     35,04     1,20     42,05     -     -     334,84   
 3     1,00     35,04     1,35     47,30     -     -     382,14   
 4     1,00     35,04     1,50     52,56     -     -     434,70   
 5     1,00     35,04     1,65     57,82     -     -     492,52   
 6     1,00     35,04     1,80     63,07     -     -     555,59   
 7     1,00     35,04     1,95     68,33     -     -     623,92   
 8     1,00     35,04     2,10     73,58     -     -     697,50   
 9     1,00     35,04     2,25     78,84     -     -     776,34   
 10     1,00     35,04     2,40     84,10     -     -     860,44   



The Housing and public utilities lighting with an incandescent lamp (40W consumption)
Number of years count (pcs.) yearly consumption(24 hours/ day),kW price for 1 kW, UAH. (yearly +15% ) consumption bill, UAH price of a lighting+ bulbs UAH cost of bulbs replacement IL 40W
0  1,00     -     -     -     33,00     -     33,00   
 1     1,00     350,40     1,05     367,92     27,00     -     427,92   
 2     1,00     350,40     1,20     420,48     27,00     -     875,40   
 3     1,00     350,40     1,35     473,04     27,00     -     1 375,44   
 4     1,00     350,40     1,50     525,60     27,00     -     1 928,04   
 5     1,00     350,40     1,65     578,16     27,00     -     2 533,20   
 6     1,00     350,40     1,80     630,72     27,00     -     3 190,92   
 7     1,00     350,40     1,95     683,28     27,00     -     3 901,20   
 8     1,00     350,40     2,10     735,84     27,00     -     4 664,04   
 9     1,00     350,40     2,25     788,40     27,00     -     5 479,44   
 10     1,00     350,40     2,40     840,96     27,00     -     6 347,40   
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The diagram (Figure 1) shows a payback time of the LED lighting LED-Street-23 compared to the same lamp-based IL (incandescent lamps), and is 8 months! This LED-Street-23 consumes less power 10-fold, resulting in substantial savings in next periods. The calculation does not take into account the average cost of the lamps replacement, it does not consider the possibility of using a smaller cross-section of the cable and therefore cost of savings.

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