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Copyright © 2009 Cree, Inc. pg. 1
Standards
Copyright © 2009 Cree, Inc. pg. 2
Standards – You Should Care, Your Customers Do…
• Needed to ensure common language, test methods, fair competition, public safety, environmental protection
ISO
CIE IEC NEMA IESNA UL
ANSI
DOE EPA
U.S. Standards
Copyright © 2009 Cree, Inc. pg. 3
ENERGY STAR Requirements Summary
Efficacy• Measured for entire luminaire• Near-term & future efficacy targets, depending on application
Quality of Light• Minimum CRI: 75• Designated CCT ranges• Color spatial uniformity• Color maintenance
Efficiency• No off-state power draw
Quality of Product• Minimum warranty: 3 years• Required thermal management• Minimum L70 lifetime: 25,000 hrs (Indoor) / 35,000 hrs
(Outdoor/Comm.)
Copyright © 2009 Cree, Inc. pg. 4
Outdoor Solid State Lighting
Copyright © 2009 Cree, Inc. pg. 5
Outdoor Lighting is a Diverse Space
“Cobra Head” $64 - $140
Industrial “Wall Pack”$100 - $200
Parking/Canopy/Low Bay
$85 - $200
Ornamental/Pole Top
$300 - >$1,000
Parking/“Shoe Box”$85 - $500
• 60 million unit installed base in North America
LPS HPSMetalHalide
LED
“Boiler Plate” Efficacy (LPW) 130 95 70 105
Delivered Efficacy* (LPW) 70 51 38 75
CRI <5 22 60-80 70-80
Typical CCT 1800 2000 3000-4000 Any
Lifetime (hours) 16k 24-30k 10-20k >50k
* Incl. 60% CU + 10% ballast factor for HID; 85% CU, 88% driver efficiency, -10% thermal equilibrium for LED
• Most use one of three HID lamp types:
Copyright © 2009 Cree, Inc. pg. 6
Outdoor SSL Economics
Payback (years)
1st Gen BetaLED
105
SSL fixture technology improvement will have
at least as much impact as LED Technology
MH CoOLED CoO
1st Gen
2nd Gen BetaLED
• 30% + efficacy• 40% lower cost
2nd Gen
Cos
t of
Ow
ners
hip
($)
Slope = energy $$
Maintenance Event
First Cost
Copyright © 2009 Cree, Inc. pg. 7
Making the Business Case Work
Initial applications will be driven by maintenance avoidance & energy savings
– Street & Parking lot lighting– Parking garages– Atrium– Tunnels– Hazardous work areas
Copyright © 2009 Cree, Inc. pg. 8
Installation Examples
Copyright © 2009 Cree, Inc. pg. 9
Anchorage, AK
• Replacing 16,000 streetlights
• Initial installation of 4,000 streetlights saves $360,000 a year.
• Total installation saves >$1.5 million a year.
Courtesy of BetaLED
Copyright © 2009 Cree, Inc. pg. 10
Durham, NC
Courtesy of BetaLED
Cree Headquarters
Copyright © 2009 Cree, Inc. pg. 11
Osseo, Minnesota
Copyright © 2009 Cree, Inc. pg. 12
Osseo, Minnesota
Copyright © 2009 Cree, Inc. pg. 13
U.S. DOE Gateway Project
Raley’s Supermarket, Chino, CA
346W Metal Halide 149/52W Bi-level LED System
• 70% Energy Savings
• 3.3/4.7 year simple payback (new construction/retrofit)
http://www1.eere.energy.gov/buildings/ssl/gatewaydemos_results.html
Copyright © 2009 Cree, Inc. pg. 14
Ann Arbor, MI
Courtesy of Relume
1,300 Downtown Fixtures53% Energy Savings4.4 yrs. payback
Copyright © 2009 Cree, Inc. pg. 15
Germany, Darmstadt, Grillparzerstrasse
Courtesy of
Copyright © 2009 Cree, Inc. pg. 16
The Netherlands
Courtesy of Indal Industria
Copyright © 2009 Cree, Inc. pg. 17
Parma Park – Parma, Italy
Courtesy of BetaLED
55% Energy SavingsBetter rendition and
uniformity
Copyright © 2009 Cree, Inc. pg. 18
Split, Croatia
Warm White Street Lamps
Courtesy of Schréder
Copyright © 2009 Cree, Inc. pg. 19
735 Forest – Birmingham, MI
Courtesy of Relume
http://www.735forest.com/
55% Energy Savings4.4 yr simple payback
Copyright © 2009 Cree, Inc. pg. 20
UC Davis
80% Energy SavingsBi-level Outdoor Lighting
Copyright © 2009 Cree, Inc. pg. 21
Arezzo, Italy
Courtesy of BetaLED
61% Energy Savings<3 year Payback
High Pressure Sodium LED
Copyright © 2009 Cree, Inc. pg. 22
Murphy USA – Plano, TX
Courtesy of BetaLED
26% Energy SavingsGreatly Improved Appearance & Safety
Copyright © 2009 Cree, Inc. pg. 23
Notre Dame University
