Lou presentation led lighting - opfma conference 2013 final
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Transcript of Lou presentation led lighting - opfma conference 2013 final
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LED Lighting –
An Ongoing Evolution
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Introductions
Greg Smith, President, Lighting Optimizers, USA, CLEP, CEM, LEED AP•
Energy Savings Projects and Lighting Auditing Services
Over $5,000,000 of Successful Energy Saving Lighting Projects since 2011• Vendor-neutral
22 Full-time Associates• Mechanical and Energy Engineers, Lighting Engineers• In-house design and installation services
Innovative, but practical• Cutting edge, not bleeding edge
• “The bitterness of poor quality remains long after the sweetness of low price is forgotten” – Benjamin Franklin
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The Power of Lighting
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“Lighting represents roughly 40% of the energy consumption in the commercial building sector”
- US Dept. of Energy, 2008
• Fastest payback• Low initial investment• Helps drive other energy improvements• Improved facility appearance & comfort• Typical 2-4 year interior fluorescent payback • Typical 6-8 year exterior LED payback
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Identifying Opportunities
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5 or more years since last lighting upgrade– Presence of T12 lamps and ballasts– Presence of T8 32W lamps– Presence of non-fluorescent High Bays
Absence of Occupancy Sensors Incandescent EXIT Signs HID Exterior Lighting
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Light Emitting Diodes (LEDs)
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History of the Technology
• First concept was discovered/created in 1907 by H.J. Round – electroluminescence
• Nick Holonyak of GE (1961)– First visible spectrum LED (red)
• First used to replace indicator lamps– TVs, radios, calculators, high tech machines
• High brightness LED (blue & white) in 1994
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Recent Trends
Quality Improvements Market Leaders – Cree, Lithonia, Sylvania Trusted Manufacturers offering full LED product
lines
Quantity Improvements Higher Lumen output Improved Fixture Efficacy (i.e. lumens per watt)
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Emerging Trends
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Advantages of LED
Advantages High efficacy (lumens/Watt) No mercury Can vary color easily Cycling Dimming capabilities LIFE EXPECTANCY (50,000 + hours) Instant Start up time No ultraviolet light Energy savings
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Potential Disadvantages
Directional
Potential slight color variationBeing addressed by major manufacturers
throughout quality control
Current interior cost, but lowering everyday
Can have compatibility issues with older dimmer systems
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Interior Case Study – Dayton Art Institute
Strategy One for one lamp replacement w/ comparable LED product Light output from LED lamps only an issue at extremely high
outputs (> 250W incandescent) Replacement of incandescent lamp system with high
efficiency LED lamps Projected Electrical Savings = $33,000 Projected Annual O&M Savings = $1,800 Projected Utility Rebate = $11,240 Simple Payback 5.1 years
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Case Study – Tecumseh Local Schools
2012 Retrofit of Exterior Lighting Systems - Wall-packs- Flood lighting- Parking Lots/Area Lighting
65% Energy Use Reduction 7.2 Year Simple Payback
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Thank You