Pay-back of retrofitting fixtures using mercury lamps with InnoLED high bay

January 12, 2017by Reneta Nedyalkova0
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Economic efficiency of substitution of mercury lamps with InnoLED DUST HIGH BAY 120W


Fixture with 400W mercury lamp

InnoLED DUST HIGH BAY 120 W

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Power consumption  [W]
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Power consumption  [W]

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Electricity cost for 1 month to 1 fixture with mercury lamp  [BGN]
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Electricity cost of one luminaire [BGN]

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Cost of mercury lamp, starter and labour for maintenance every 2 years [BGN]
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Maintenace cost for a prediod > 15 years [BGN]

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Total expoitation cost of one fixture for 12 months [BGN]
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Savings for 12 months with every luminaire  you subsitute with DUST HIGH BAY 120W [BGN]

 Annual savings with InnoLED DUST HIGH BAY 120W
1.6 years
Pay-back period for the investment
BGN 375
One-time investment of purchasing InnoLED DUST HIGH BAY 120W

 Comparison of operating costs for lighting with mercury lamps and the alternative with substitution with InnoLED DUST HIGH BAY 120W

BGN 775
You save for 5 years (during warranty period) by substituting one luminaire with mercury lamp with  InnoLED DUST HIGH BAY 120W
BGN 1678
You save for 10 years by substituting one luminaire with mercury lamp with  InnoLED DUST HIGH BAY 120W
BGN 3050
You save for 5 1years by substituting one luminaire with mercury lamp with  InnoLED DUST HIGH BAY 120W

[1] Consumption of a fixture and a 400W mercury lamp. The nominal consumption of the lamp is 400W, and the consumption of starter is about 40W. Equivalent of fixture with mercury lamp of 400W is InnoLED DUST HIGH BAY 120W as they have the abilities to produce the same amount of light. All InnoLED luminaires emit light with amount, which is indicated as a value in the technical characteristics. In the combination of fixture and lamp, the actual luminous flux is about 60% of that generated by the luminaire.

Source: http://www.unep.org/climatechange/Portals/5/documents/RoapFocalPoints/010%20Lighting.pdf

[2] To calculate the value obtained was used price for 1 kWh – BGN 0.22 (Cost for non-household customers with annual consumption of up to 20 thousand. KWh. – Smaller users without VAT. Source: NSI). Calculations are made under the following assumptions: the site works 21 days a month, and time for using light is 12 hours per day. For larger customers it can be expected that the light work more hours, but electricity will be at a lower price, which would not change significantly during the expected payback.

[3] The mercury lamp with an output of 400W can be purchased for about BGN 15, BGN 15 is the estimated value of starter and labor for maintenance.

[4] InnoLED luminaires combine fixture and light sources, which are permanently linked. It is our obligation when we sell luminaires to announce their total consumption in the specifications of the product. In practice, this means that the energy consumed by luminaires of InnoLED equals the nominal power indicated in the technical characteristics and the label.

[5] The maximum value is calculated in compliance with previous comments ([2] and [4]).

[6] This price includes the purchase and delivery of 1pc. InnoLED DUST HIGH BAY 120W.

[7] With operations according to the specified in [2] hours, the minimum expected life of 50 000h. of Innoled the luminaires will last for at least 15 years.

Reneta Nedyalkova


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