The U.S. Department of Energy (DOE) just released a report that details the savings gained from switching over to energy efficient LED lighting by the U.S. market. The report, entitled Adoption of Light-Emitting Diodes in Common Lighting Applications , breaks down the 2012 cost savings of the following categories of lighting.
Indoor lamps (residential) |
Indoor luminaires (commercial) |
Outdoor luminaires (industrial) |
1. A-type2. Directional 3. MR-16 4. Decorative |
5. Downlight6. Troffer (overhead office fixtures) 7. High-bay |
8. Streetlight9. Parking lot/garage |
The report states that in 2012 approximately 49 million LED lights were installed in the U.S., saving about 71 trillion BTUs equaling $675 million annually. The report goes on to assert that, if the entire lighting base were to convert to LEDs, the cost savings could be as high as $39 billion.
The illustration below (Figure ES .1) shows the sources of the 2012 energy savings (pie chart) and the potential savings (bar graph) should there be a complete conversion to LEDs. Interestingly, the biggest opportunity for LED penetration is in the area of troffer lighting – those square overhead office fixtures that currently use fluorescent tube lighting.
You can read the report in its entirety, including all the research and calculations, by going to the following link on the DOE website:
Adoption of Light-Emitting Diodes in Common Lighting Applications
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