Case studies

30 pcs GRAH AEROLITE LSL®30 SOLUTION

  Old condition New condition
Type of light HPS lights LED LSL®30
Consumption per light in W 70 W 35 W
Total amount of lights 30 pieces 30 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Poor illumination Good illumination - meeting EN requirements
Electricity consumption per year 840 EUR 420 EUR
CO2 emissions per year 4.956 kg 2.478 kg
Maintenance cost per year 810 EUR No maintenance
Electricity savings per year   420 EUR
CO2 emission reduction
per year
  2.478 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  6.300 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  18.450 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  37.170 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.

100 pcs GRAH AEROLITE LSL®90 SOLUTION

  Old condition New condition
Type of light HPS lights LED LSL®90
Consumption per light in W 250 W 122 W
Total amount of lights 100 pieces 100 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Sufficient illumination Good illumination - meeting EN requirements
Electricity consumption per year 10.000 EUR 4.880 EUR
CO2 emissions per year 59.000 kg 28.729 kg
Maintenance cost per year 2.700 EUR No maintenance
Electricity savings per year   5.120 EUR
CO2 emission reduction
per year
  30.208 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  76.800 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  117.300 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  453.120 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.

500 pcs GRAH AEROLITE LSL®30 SOLUTION

  Old condition New condition
Type of light HMQ lights LED LSL®30
Consumption per light in W 137 W 35 W
Total amount of lights 500 pieces 500 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Sufficient illumination Good illumination - meeting EN requirements
Electricity consumption per year 27.400 EUR 7.000 EUR
CO2 emissions per year 161.660 kg 41.300 kg
Maintenance cost per year 13.500 EUR No maintenance
Electricity savings per year   20.400 EUR
CO2 emission reduction
per year
  120.360 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  306.000 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  508.500 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  1.805.400 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.

1.000 pcs GRAH AEROLITE LSL®90 SOLUTION

  Old condition New condition
Type of light HMQlights LED LSL®90
Consumption per light in W 900 W 122 W
Total amount of lights 1000 pieces 1000 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Sufficient illumination Good illumination - meeting EN requirements
Electricity consumption per year 360.000 EUR 48.800 EUR
CO2 emissions per year 2.124.000 kg 287.920 kg
Maintenance cost per year 27.000 EUR No maintenance
Electricity savings per year   311.200 EUR
CO2 emission reduction
per year
  1.836.080 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  4.668.000 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  5.073.000 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  27.541.200 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.

2.000 pcs GRAH AEROLITE LSL®30 SOLUTION

  Old condition New condition
Type of light HMQ lights LED LSL®30
Consumption per light in W 250 W 35 W
Total amount of lights 2000 pieces 2000 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Sufficient illumination Good illumination - meeting EN requirements
Electricity consumption per year 200.000 EUR 28.000 EUR
CO2 emissions per year 1.180.000 kg 165.200 kg
Maintenance cost per year 54.000 EUR No maintenance
Electricity savings per year   172.000 EUR
CO2 emission reduction
per year
  1.014.800 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  2.580.000 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  3.390.000 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  15.222.000 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.


200 pcs GRAH TERRALITE LCL®90 SOLUTION

  Old condition New condition
Type of light mercury lights LED LCL®90
Consumption per light in W 700 W 135 W
Total amount of lights 200 pieces 200 pieces
Operation in h per year 4000 hours 4000 hours
Illumination level Sufficient illumination Good illumination - meeting EN requirements
Electricity consumption per year 56.000 EUR 10.800 EUR
CO2 emissions per year 330.400 kg 63.720 kg
Maintenance cost per year 4.200 EUR No maintenance
Electricity savings per year   45.200 EUR
CO2 emission reduction
per year
  266.680 kg
Total electricity savings
min. lifetime of LSL® (60.000 hours)
  678.000 EUR
TOTAL SAVINGS
min. lifetime of LSL® (60.000 hours)
  741.000 EUR

Total CO2 emis. reduction
min. lifetime of LSL® (60.000 hours)

  4.000.200 kg

* The electricity cost is calculated by common price of 0,10 EUR per kWh for the whole period. Actual savings can be greater due to raising prices of electricity. Maintenance cost is calculated by average and it may vary. For exact calculations of your specific case, contact us.