LED retrofit kits can significantly reduce energy consumption compared to traditional lighting systems. Typically, LED lights use about 75% less energy than incandescent bulbs and around 50% less than fluorescent lights. The exact energy savings depend on the type of lighting being replaced and the specific LED retrofit kit used.
For example, if you replace a 60-watt incandescent bulb with a 10-watt LED bulb, you save 50 watts per bulb. If the bulb is used for 5 hours a day, this results in a daily saving of 0.25 kWh per bulb. Over a year, this amounts to approximately 91.25 kWh saved per bulb. If electricity costs $0.12 per kWh, this translates to an annual saving of about $10.95 per bulb.
In commercial settings, where lighting is used extensively, the savings can be even more substantial. Replacing a 400-watt metal halide fixture with a 100-watt LED retrofit kit can save 300 watts per fixture. If the fixture operates for 12 hours a day, this results in a daily saving of 3.6 kWh per fixture, or about 1,314 kWh annually. At the same electricity rate, this equates to an annual saving of approximately $157.68 per fixture.
Additionally, LEDs have a longer lifespan, often lasting 25,000 to 50,000 hours compared to 1,000 hours for incandescent and 8,000 hours for fluorescent bulbs. This reduces replacement costs and maintenance efforts, further enhancing overall savings.
Overall, the energy savings from LED retrofit kits can be substantial, leading to lower electricity bills and reduced environmental impact.