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The 5 Myths of LED Lighting
Bright Green Systems Arizona & Colorado
Donovan Hardenbrook
August 21, 2012
Agenda
Introductions
LED Lighting and Moore's Law
The 5 Myths of LED Lighting
A Full Service Approach
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Who We Are• Bright Green Systems was formed as an Energy Distribution
Company distributing energy efficient LED products and energy
creating solutions.
• BGS was founded in response to a market need to both acquire
and finance LED/high efficiency lighting products
• Through Bright Green Finance 24-60 month loans and full-
payout leases are available
• We provide a full service experience with lighting analysis, rebate
and incentive assistance, financing and installation.
Our mission is to deliver the best LED products and solutions available. We will save our clients money the moment they flip the switch while creating new
standards in environmental responsibility.
Moore’s Law for LED
Lighting
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Moore’s Law for LED Lighting
The efficiency and
light output of LED
lighting doubles
every 36 months
CREE Examples
113 l/w product
170 l/w prototype
231 l/w R&D
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LED lamps are semiconductors!
The 5 Myths of LED
Lighting
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The 5 Myths of LED Lighting
1. LEDs don’t save power
2. LEDs aren't bright
3. LEDs are made in China
4. LEDs aren't reliable
5. LED lighting is expensive
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Myth #1: LEDs Don’t Save Power
Introduced Lumens
/ Watt
Efficiency
IncandescentTungsten glass halogen
1800’s 13.8 -15.2 2.0 - 2.2%
Fluorescent T12 Magnetic Ballast
1939 60 9%
Gas DischargeMetal Halide
1964 65 - 115 9.5 - 17%
LED Lighting 1961 4.5 - 150 0.6 - 22%
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* Source: Wikipedia
Theoretical limit for LED is 400 lumens/watt!
Myth #2: LEDs Aren’t Bright
• LED fixtures produce a soft voluminous white light that resembles natural daylight
• Less glare
• Fluorescent fixtures produce a green hue
• LED lighting doesn’t attract insects!
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Which is More Appetizing?
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Myth #3: LEDs are Made in
China
CREE is the global leader in the “LED Lighting
Revolution”
US company founded in1987
R&D Centers in NC, CA and China
US Manufacturing
Durham, North Carolina
Racine, Wisconsin
90% of material suppliers are from the US
Lusio headquartered in Overland Park, Kansas
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Myth #4: LED’s Aren’t Reliable
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CREE LED Lighting
SiC & GaN semiconductor vs GaAs
Integrated design improves reliability
Driver
LED semiconductor
Heat sink
Result: 0.5% reliability for 50,000 - 125,000 hours
Incandescent mean lamp life is 750 hours
50% of CFLs go out after 10,000 hours
50% of Fluorescent tubes go out after 20,000 hours
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Myth #5: LED Lighting is
Expensive
Reduces energy between 55-85%
Reduces annual lighting
maintenance cost between 70-90%
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Lighting Investment Factors to
Consider
33%
28%
10%
9%
8%
7%
5%
Cost of fixtures
Installation labor costs
Cost of electricity
Lighting rebates andsubsidiesPotential tax benefits
Other
Maintenance costs
Lighting Cost Drivers
Energy costs
Electric rates
Usage
Hours of operation
Maintenance Costs
Maintenance contracts
Lamp inventories
Lost production time
Safety considerations
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CREE LED Lighting is No Myth!
LED lights saves power
LED lights are bright
CREE LED lights are made in the US
CREE LED lights are highly reliable
LED lighting is INEXPENSIVE
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