Take a Bite Out of Lighting Loads With LEDs Stephen Williams Toshiba Sales Support Manager.
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Transcript of Take a Bite Out of Lighting Loads With LEDs Stephen Williams Toshiba Sales Support Manager.
![Page 1: Take a Bite Out of Lighting Loads With LEDs Stephen Williams Toshiba Sales Support Manager.](https://reader036.fdocuments.in/reader036/viewer/2022081519/56649e755503460f94b76c97/html5/thumbnails/1.jpg)
Take a Bite Out of Lighting Loads With LEDs
Stephen Williams
Toshiba Sales Support Manager
![Page 2: Take a Bite Out of Lighting Loads With LEDs Stephen Williams Toshiba Sales Support Manager.](https://reader036.fdocuments.in/reader036/viewer/2022081519/56649e755503460f94b76c97/html5/thumbnails/2.jpg)
Some LED Advantages
• Less electricity 18w LED = 100w PAR38
• No maintenance for years 50,000 LED vs.10,000 CFL
• Improved light quality 80 CRI LED vs. 25 CRI HPS
• Reduce HVAC cooling load• Advanced control options
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Incandescent CFL LED
LIFE 1,000 hrs 10,000 hrs 50,000 hrs
Lumens Per Watt 10 50-60 70-90
Radiated Heat 85 Btu/hr 30 Btu/hr 3.4 Btu/hr
Mercury No Yes No
UV Radiation Minimal Yes Minimal
Instant Bright Yes No Yes
Durability Fragile Fragile Durable
Optical Efficiency 50 50 70-80
Indoor LED Advantages
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Expected ROI 1.17 Years
Case Study: LUGGAGE & LEATHERSugar Land, Texas
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Outdoor LED Advantages
• Uses much less electricity• Dark Sky Friendly• Much Longer Life• Better Uniformity & CRI
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Roadway Luminaires Comparison
• 300+ Total Watts• 20,000 Hour Life• Yellow-Orange Light• CRI <25• Uneven Uniformity• Many Not Sky Friendly
250 HPS
• 81 Total Watts• 100,000 Hour Life• Natural White Light• CRI >70• Excellent Uniformity• Dark Sky Friendly
36 LED
VS.
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Alamo Street, San Antonio, Texas
• 87 Watt LED Replacing 25,000 250 Watt HPS
• Expected Savings 23,325,000 KWH Per Year• Equivalent to 1,600 Homes’ Energy Use
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$2.3 Billion Savings Potential
Source: U.S. Department of EnergyAs of 2012
• 44 Million Streetlights• 1 Million LED• Only 2% LED
USA StreetlightsUSA Streetlights
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$3.5 Billion Savings Potential
• 54 Million Parking• 0.6 Million LED• Only 1% LED
Source: U.S. Department of EnergyAs of 2012
USA Parking LightsUSA Parking Lights
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Much Smarter Lights
• Establishing Communications
• Power Usage Measurement
• Need Service Alarms
• On/Off & Dimming
• Motion Sensors
• Cameras
• Other
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LED Attributes Recap
• Durability• Longer Life
• Energy Savings• Less Light Loss
• Dark Sky Friendly• Mercury Reduction• Less Radiated Heat
• Dimmable & Controllable• Better Overall Quality of Light
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