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NualightOctober 2010
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Meeting the challenge of low energy lighting by 2020
Artificial light sourcesNualight
history, business model, customersLighting, energy saving, carbonSome macroeconomic considerations
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Sunlight versus the bulb
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Artificial sources of light
Main mechanismsIncandescence (hot)Luminescence (cold)
electro-, chemo-, fluoro-, ......Source types
Bulbsincandescent, fluorescent, halogen, halide, HID, ....
Solid stateLED, OLED
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Incandescent Bulb1. Glass bulb 2. Low pressure inert gas (argon,
neon, nitrogen) 3. Tungsten filament 4. Contact wire (goes out of stem) 5. Contact wire (goes into stem) 6. Support wires 7. Stem (glass mount) 8. Contact wire (goes out of stem) 9. Cap (sleeve) 10.Insulation11.Electrical contact
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Typical bulbs used in retail
Halogen light bulbInefficient (~20 lm/w)Radiates high levels of heatShort lifetime typically ~3000 hoursHigh level of infant mortality
Fluorescent TubeRadiates UVHot TerminalsShort lifetimeRapid agingBroadcasts Light Fragile
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Source efficienciesType Overall luminous efficiency Overall luminous efficacy (lm/W)
40 W tungsten incandescent 1.9% 12.6
60 W tungsten incandescent 2.1% 14.5
100 W tungsten incandescent 2.6% 17.5
glass halogen 2.3% 16
quartz halogen 3.5% 24
high-‐temperature incandescent 5.1% 35
ideal black-‐body radiator at 4000 K 7.0% 47.5
ideal black-‐body radiator at 7000 K 14% 95
ideal 555 nm (green) source 100% 683
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Historical usage (Tsao et al.)
1850 1900 1950 2000 2050 10-2
10-1
100
101
102
103
White Light
Power C
onversion
ZnSe
AlGaInN+AlGaInP?
5%
25%
50%
FilteredIncande-scence
TungstenFilament
CarbonFilament
Kerosene
Gas Mantle
Oil
Gas
AlGaInN+Phosphor
AlGaInN
GaAsP:N
AlGaInN
SiC
AlGaInP
DH AlGaAs
AlGaAsGaAsP:N
GaP:Zn,O
Solid-StateLighting
Fluorescence/HID
Incandescence
Lum
inou
s Ef
ficac
y (lm
/W)
Year
Fire
GaAsP
100%
Compiled by JY Tsao (Sandia Labs) using data from:A Bergh, et al, Physics Today 54, 42-47 (DEC 2001);JY Tsao, Ed., Light Emitting Diodes (LEDs) for General Illumination Update 2002 (OIDA, Sep 2002);N Nakayama, et al, Optical Review 2, 167-170 (1995); JA Edmond, et al, Physica B185, 453 (1993);R Haitz, et al, The Case for a National Research Program on Semiconductor Lighting (OIDA, Oct 1999);WD Nordhaus, in The Economics of New Goods, TF Breshnahan and RJ Gordon, Eds. (U of Chicago Press, 1997), pp. 29-70
0.25%
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Nualight
Performance-Enhancing LED Lighting Systems for Food Retailers
Focus on Food Retail
Top 100 Retailers
Key OEMs display case mfrs
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save energy for supermarkets
reduce their carbon footprint
save operating expenses
improve product presentation
increase sales
what do we do?
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why is this important?
Food retailers use significantly more electricity than other industry sectors
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Refrigerated displays are 60% of grocers energy bill
Fluorescent lighting is15% - 25% of the energy used in refrigerated food displays
Waste heat from fluorescents increases refrigerator load and cost
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how can LED help?
LED saves lighting (and refrigeration) costs by 60% to 70% in refrigerated/frozen display cases
LED lighting increases product sales
LED installations can be part funded by utility rebates
LED retrofits give payback of 2-4 years
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Prodega, Switzerland
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Tesco Europe
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Nualight Market SnapshotRefrigerated Food Retail Displays
oAccount for 60% of retailer energy billsoTraditionally lit by inefficient fluorescent tubesoCan reduce cost of illuminating these by 60%oCan achieve 2 3 year payback in refrigerated environments
Top 15 Eu Food Retailers have 83,000 StoresMajor Competitors
oUSA: GE Europe: Philips
NualightoUSP: product, focus, service, flexibilityoApprovals: Tesco, Migros, Coop, Tenglemann, Rewe, Edeka, Starbucks, .oOEM design wins: KW, Carrier, EPTA, Carter, Schott Termofrost, ...oMajor Private Label Deals: Germany, USA
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LED lighting has made great strides in brightness and cost
0
20
40
60
80
100
120
140
0
0.005
0.01
0.015
0.02
0.025
0.03
2007 2008 2009 2010 2011 2012 2013 2014 2015
Cost of LED per lumen and LED efficacy
Cos
tin
/ Lum
en
Year
Actual - based on average of LED cost and performance Estimated
LED
effi
cacy
in L
umen
/ W
att
Lumen / Watt
/ Lumen
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Market adoption is accelerating
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.0
50.0
100.0
150.0
200.0
250.0
2009 2010 2011 2012 2013 2014
pene
trat
ion
of n
ew c
ase
ship
men
ts
(LED
) m
arke
t siz
e m
p.a
.Refrigerated display lighting market in major supermarkets
North America & Western Europe
new cases NA
retrofit NA
new cases EU
retrofit EU
frozen
chilled
Source: CCC/company estimates based on industry sources
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we partner with industry majors
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products must be flexible -form factor, brightness, colour, cost
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key customer winsTesco (international)
6m Retrofit & New StoresChilled Canopy & Undershelf productsStores in USA, and now rolling in 5 countriesin EuropeDecision factors Performance & ResponseBeat all major US competitors incl. GE
Migros Switzerland1.5m Retrofit & New Stores
Freezer & Chiller Door productsStores in SwitzerlandDecision factors Quality & PerformanceBeat Incumbent Supplier Philips & Zumtobel
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major clients
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our business model
Retrofit / Joint SpecificationRetailer
Factory Fit / Co- design new casesOEM
License differentiated designs e.g. jewellery sectorPrivate Label
Europe:Nualight Cork Capacity 240,000 (In-House) 2010CEM Cork Capacity 240,000 (Out-source) 2010 CEM Hungary Capacity 320,000 (Out-source) / 2011/12
North America:USA Capacity 450,000 (Out-source) 2010Mexico Capacity 500,000 (Out-source) 2012
Multiple Market Channels
Flexible manufacturing base - outsourced and in-house
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Financial performance - steady acceleration over the past six quarters- grew revenues by 2x in 2009, by 3x in 2010- currently shipping 3000 fixtures per week
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further growth targeted from expansion in core market and new, adjacent sectors
Supermarket Food RetailOngoing growth in frozen, refrigerated lighting (frozen, dairy)New adoption in non-refrigerated lighting (fruit & veg, meat)New adoption in non-food (cosmetics, etc) New markets Eastern Europe, Australia
Food ServicePetrol station food displayCatering (Starbucks, etc)Convenience stores
Other RetailFurther growth in existing jewellery lighting lineWill explore other niches e.g. shoes, clothing
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supported by ongoing innovation in new products
Thin Line (12 mm) light,integrated into shelf
Fruit & vegetable lighting
Spotlight for jewellery, fashion
Lightstick Product Family for jewellery, fashion
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Case Study: Freezer LED
Fluorescents replaced by LED.110 supermarkets in RoI.6600 freezer doorsE-Tender:-Competitive Pricing.LED evaluation in Switzerland.Capital Cost 980,000.Saving 285,000 p.a..Saving 1.9M KWhrs p.a..Payback 3.18 YearsCO2 Saving 1085 Tonnes/Year7 Month Roll Out.
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Carbon potential in round numbers, savings per annum
100 food stores, freezers only, 1000 tonnes100 food stores, all displays, 3000 tonnesTop 15 food retailers in Europe have 83,000 stores, 2.5 million tonnes250,000 food retailers in Europe and USA, 7.5 million tonnes
Nualight currently shipping 3000 fixtures per week, - 10,000 tonnes of CO2 saved p.a. by customers
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per capita Consumption of Light:(Mlmh/[per-yr])
Earth at Night (courtesy of NASA)
MillsWRLD-NONGRID 1999: 0.043
IEAWRLD-GRID 2005: 32.9
Fouquet & PearsonUK2000 Inc+Flu+HID: 46.41950 Inc: 5.01900 Gas+Ker: 0.271850 Gas+Can: 0.0131800 Can+Oil: 0.00271750 Can: 0.00061700 Can: 0.00058
IEAAU+NZ 2005: 63.4
IEAFSU 2000: 38.7IEA
OECD-EU 2005: 45.9
IEAJP+KR 2005: 71.9
CNLi 2006: 16.4IEA 2005: 13.4Mills 1993: 2.7Navigant
US 2001: 136
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= ·(gdp/CoL) after Tsao et al.
1.E-05
1.E-02
1.E+01
1.E+04
1.E-05 1.E-02 1.E+01 1.E+04
phi (PPP model) Mlmh/(per-yr)
phi (
data
) Mlm
h/(p
er-y
r)
10-5 10-2 101 104
·gdp/CoL [Mlmh/(per-yr)]
[Mlm
h/(p
er-y
r)] 104
101
10-2
10-5
CN 1993
WRLD-UNDEV 1999
WRLD-DEV 2005
UK 1800 UK 1850
UK 1750UK 1700
UK 1900
UK 1950
UK 2000
AU+NZ 2005
FSU 2000
OECD-EU 2005
JP+KR 2005
CN 2005CN 2006
US 2001
105.4
0.0072
R2 = 0.986
Candles
GasKerosene
HIDFluorescentIncandescent
SSL
Consistent with having unit elasticity with respect to gdp and CoLOver empirical data spanning many orders of magnitude
5.4 in 4.3 in CoL1.4 in gdp3 centuries6 continents5 technologies
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If the future is like the pastWe will not use the better efficacy to best effect.Increased efficacy will result in more energy production and higher gdpMust increase COE enough to maintain gdp and reduce energy production
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In Summary
New technology is providing substantially more efficient sources of artificial light.This can significantly reduce energy consumption for lightingLighting is essentially a productivity enhancerRegulation will determine whether the net result will be higher productivity or reduced demand for energy.
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Questions