energy basics
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Energy Basics. What is the “Best” lighting. “Sic Semper Tyrannis”. What is the “BEST” Lighting?. The right light levels, at the right location, for the lowest cost. I have to save $ in my building, NOW WHAT?. Lighting Technologies Fluorescent High Intensity Discharge Solid State (LED) - PowerPoint PPT PresentationTRANSCRIPT
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Energy Basics
What is the “Best” lighting
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Proprietary Information Of Energy 2013
“Sic Semper Tyrannis”
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Proprietary Information Of Energy 2013
What is the “BEST” Lighting?
The right light levels, at the right location, for the lowest cost
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Proprietary Information Of Energy 2013
I have to save $ in my building, NOW WHAT?
• Lighting Technologies– Fluorescent– High Intensity Discharge– Solid State (LED)
• Lighting Controls• Lighting Design• Lighting Maintenance
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Proprietary Information Of Energy 2013
Comparative Analysis
Source Efficacy Lamp Life
Type (lm/W) (rated Incandescent Point 15 1,000 95% W 100 Y Y NINC/Halogen Point 20 3,000 100% W 100 Y Y NFluorescent Linear 95 80,000 95% WMC 86 Y N Y
CFL Area 70 10,000 86% WMC 86 S N YPS MET. Hal. Point 100 20,000 85% WC 70 S N NCeramic MH Point 90 20,000 85% WM 92 S N N
HPS Point 110 24,000 90% W 21 N N NInduction Area 80 100,000 75% WMC 80 N N N
White LEDs Projection 100 50,000 70% MC 75 Y N Y
Temp Sensitive
2Lamp Family LLD Color
Temp.1 CRI Dimmable2
Voltage Sensitive
2
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Proprietary Information Of Energy 2013
Greatest Thing since Thomas Edison?
YES? NO? MAYBE?
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Proprietary Information Of Energy 2013
The “BEST” measures for a lighting system?
• Approximately 50% of the equation for light levels is the lumens/watt.
• Approximately 50% is the environment those lumens sit in.
• What are the some other factors?– Cost– Lamp life– CRI/K temp– Heat
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“BEST” Lighting
• T8!!– Lowest cost– Great energy savings– Flexibility– High burn hours– Legacy– Yes, they still have mercury.– Very low depreciation
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Proprietary Information Of Energy 2013
LED?
• Still dealing with high cost• Efficacy is improving almost weekly, lm/watt
continue to rise.– Physics say it could get to 260 lm/watt, then we have
REAL energy savings.• Creates a legacy problem• Great for dimming.• Relatively low environmental impact.• Still dealing with BAD manufacturers and marketers.
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Proprietary Information Of Energy 2013
LED Marketing
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Proprietary Information Of Energy 2013
Effective Controls
• Turn the D#$& LIGHTS OFF!• Simple occ/vacancy sensors• Use Daylight, IT’S FREE!• Dimming, comfort and personal preferences
raise costs, evaluate carefully!• Can’t manage what you don’t measure, but
measuring and not managing is STUPID!
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TRAINING
• Recent EE program test took place for K-12 in GA.
• Program took and existing training package, Building Operator’s Certification and applied it to K-12.
• First reported results, 6 months– 72% posted data– Savings, $124,000+(spend was $30,800)– Training PAYS for itself!
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Proprietary Information Of Energy 2013
Questions?
E. W. DovelDiv. VP, Public Sector
Harris Lighting904-838-7980