While even a family of four can actualize electricity savings through using LED-based systems, large-scale industries employing lighting systems with thousands of bulbs and hundreds of thousands of watts of power are the true winners when it comes to the LED transition.
In order to keep this example simple, a factory there are 500 75 - watt halogen lamps and lanterns, power supply 12 hours a day, the power supply to the factory for 10 ¢per kWh, bulb costs $1.00. The lighting system costs $16,420 per year, ignoring that each bulb must be replaced 3.5 times per year. This results in a total annual cost of $18,177.00 when the material and labor costs of maintaining/replacing the bulbs and the electricity consumed are taken into account.
The $50 per bulb LED system, which provides the same lumen level, consumes 9 watts per unit and costs $1,971.00 per year. Unlike the ridiculous life span of traditional lighting systems, each LED bulb needs to be replaced only once every 11 years. This increases the productivity of the plant because of the reduced risk of lighting in key locations and the ability to save money by eliminating unnecessary maintenance staff now. Fast-forward a decade: companies that choose to keep halogen-based systems now pay $181,770, waste insurmountable hours, and can cut or allocate them more efficiently. Companies that choose LED systems are holding a bill that includes an initial fee for LED bulbs, totaling just $44,710. A relatively small factory is used in this example. Imagine a distribution facility running 10,000 halogen units 20 hours a day: the facility saves $540,200 a year in energy costs. From minimal operations to structures that require countless bulbs, LED based lighting systems can reduce electricity bills by an order of magnitude.
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