Warehouse – promotion

Johannesburg
+27 (0)11 312-5430

Improve light levels and reduce energy costs significantly with Green Power’s LED Lighting solution

The problems with current warehouse lighting.

Most warehouses currently use Metal Halides, High Pressure Sodium (Orange light) or fluorescent T-Bay lighting technologies in the warehouse. The problems with these legacy lighting technologies are:

  1. Light levels in the warehouse are low;
  2. Energy consumption is very high; and
  3. Maintenance cost to replace failed lamps is high.

Green Power will undertake an audit of the existing lighting and prepare a light design to replace the energy inefficient legacy technologies with appropriate LED lighting technology in a way that is financially feasible and environmentally responsible. Also, light levels are generally improved as a result the upgrade.

Contact us for a light design and investment analysis.

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The lumen maintenance of the current and LED lighting technologies is as follows:

Comparison of Metal Halide and LED lighting is as follows:

  Metal Halide LED
Lamp wattage 300 120
System wattage 333 120
Initial lumen output* 27,000 15,960
Light Output Ratio 65% 100%
System Lumen Output 17,550 15,960
Energy saving compared to Metal Halide 64%

Comparison of fluorescent T-Bay and LED lighting is as follows:

  T-Bay (HO T5) LED
Single Lamp wattage 80 120
System wattage 337 120
Initial lumen output* 24,600 15,960
Light Output Ratio 75% 100%
System Lumen Output 18,450 15,960
Energy saving compared to T-Bay (HO T5) 64%

Before LED installation

Energy impact of upgrading the warehouse lighting

  LED Metal Halide T-Bay (HO T5)
System Wattage 155 444 356
Load Factor (hrs p.a.) 8,760 8,760 8,760
kWh per annum 1,358 3,893 3,115
Total energy cost p.a.
(R1.15/kWh)
R1,561 R4,477 R3,582
Additional energy cost p.a.   R2,916 R2,020
Rated life to L70 50,000 10,000 20,000
Replacement lamps required 5 10

After LED installation

The business case for switching to LED lighting has never been stronger
– here’s why:

  1. At least 64% energy savings if you switch from a 400W lamp to a 155W LED
  2. Lower maintenance costs as the lamps are warranted from 3 – 5 years i.e. no costly cherry pickers to replace lamps
  3. Long rated life of LED of 30,000 – 50,000 hours versus 8,000 – 20,000 hours for the legacy alternatives
  4. In cold environments, the LED lamps should actually last longer than their rated life of 50,000 hours
  5. LEDs are a lot more flexible at dimming and switching on and off (i.e., for motion detection), which can improve energy savings
  6. LEDs maintain their lumens output (brightness) for much longer than normal lamps so even after 3 – 5 years, you should still have a couple years more of useful light

Contact us today

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Your contact number*

Your request

What are Green Power offering?

  1. A high level walk through assessment of the lighting in your facility
  2. An indicative “business case” analysis and proposal

About Green Power

Green Power is a project developer focused on providing energy efficient lighting solutions to corporate, commercial and industrial clients. Projects completed over the last 2 years alone have delivered annual lighting energy savings of approximately 18 million kWh.

We work from designing a lighting layout to project implementation. Our list of clients include some of South Africa’s biggest property and warehousing owners such as Hyprop, Resilient, Emira, Media 24 and Imperial Cold Logistics to name a few.

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