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Lighting

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

9/6/2012 5Source: Wikipedia

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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