1 © 2006 rensselaer polytechnic institute, troy, ny 12180 usa - all rights reserved pearl program...

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© 2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved © 2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved

PEARLPEARLProgram for the Evaluation and Program for the Evaluation and Analysis of Residential LightingAnalysis of Residential Lighting

May 4, 2006May 4, 2006

Lighting Research CenterLighting Research CenterRensselaer Polytechnic InstituteRensselaer Polytechnic Institute

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©2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved ©2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved

Table of ContentsTable of Contents

• Why PEARL?Why PEARL?

• Who is PEARL?Who is PEARL?

• What has PEARL done?What has PEARL done?

• What’s on the market?What’s on the market?

• PEARL measurementsPEARL measurements

• PEARL resultsPEARL results

• ConclusionsConclusions

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Why PEARL?Why PEARL?

• Watch-dog program for ENERGY STAR Watch-dog program for ENERGY STAR lighting productslighting products– CFLsCFLs– FixturesFixtures

• Concerns over product qualityConcerns over product quality– Premature failurePremature failure– Not bright enoughNot bright enough– Gets much dimmer over timeGets much dimmer over time– Slow to reach full light outputSlow to reach full light output

• No industry-wide QA mechanism or No industry-wide QA mechanism or challenge program existschallenge program exists

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Who is PEARL?Who is PEARL?

• Bonneville Power AdministrationBonneville Power Administration• Midwest Energy Efficiency AllianceMidwest Energy Efficiency Alliance• Natural Resources CanadaNatural Resources Canada• Natural Resources Defense Council – Noah HorowitzNatural Resources Defense Council – Noah Horowitz• New York Start Energy Research and Development AuthorityNew York Start Energy Research and Development Authority• Northeast Energy Efficiency PartnershipsNortheast Energy Efficiency Partnerships• Northwest Energy Efficiency AllianceNorthwest Energy Efficiency Alliance• Pacific Gas & ElectricPacific Gas & Electric• Sacramento Municipal Utility DistrictSacramento Municipal Utility District• San Diego Gas & ElectricSan Diego Gas & Electric• Southern California EdisonSouthern California Edison• Wisconsin Energy Conservation CorporationWisconsin Energy Conservation Corporation

• US Environmental Protection AgencyUS Environmental Protection Agency• US Department of EnergyUS Department of Energy

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What has PEARL done?What has PEARL done?

• Program started 2000Program started 2000

• Completed six cycles (sets) of testingCompleted six cycles (sets) of testing– TestedTested

• 123 CFL models from 22 manufacturers123 CFL models from 22 manufacturers• 53 Fixture models from 19 manufacturers53 Fixture models from 19 manufacturers

• Currently receiving products for Cycle 7Currently receiving products for Cycle 7– TestingTesting

• 30 CFL models from 15 manufacturers 30 CFL models from 15 manufacturers

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What’s on the Market?What’s on the Market?

• Product selectionProduct selection– Based on what is available;Based on what is available;

• Retail Retail • Electrical distributorsElectrical distributors• Lighting show roomsLighting show rooms• Some internetSome internet

• Shopping list is then cross referenced with Shopping list is then cross referenced with ENERGY STARENERGY STAR website website

• Products are then purchased from sponsor Products are then purchased from sponsor locationslocations

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What’s on the Market?What’s on the Market?

• CFL CFL TypesTypes– BareBare– CoveredCovered– ReflectorReflector

• 2,167 CFLs from 2,167 CFLs from 114 manufacturers on 114 manufacturers on ENERGY STAR websiteENERGY STAR website**

*As of April 2006*As of April 2006

• Fixture Fixture TypesTypes– Ceiling-mountedCeiling-mounted– Wall-mountedWall-mounted– RecessedRecessed– PortablePortable– OutdoorOutdoor

• 6,230 fixtures from 6,230 fixtures from 49 manufacturers on 49 manufacturers on ENERGY STARENERGY STAR websitewebsite**

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PEARL MeasurementsPEARL Measurements

CFLsCFLs• Initial measurementsInitial measurements

– EfficacyEfficacy– Color propertiesColor properties– Start and run-up timeStart and run-up time

• 1000-hr measurement1000-hr measurement– Lumen maintenanceLumen maintenance– FailuresFailures

• 40% of Rated Life 40% of Rated Life measurementsmeasurements– Lumen maintenanceLumen maintenance– FailuresFailures

• Rapid Cycle Stress TestRapid Cycle Stress Test

FixturesFixtures• Initial measurementsInitial measurements

– Lamp/ballast efficacyLamp/ballast efficacy– Color propertiesColor properties– Start timeStart time– Ballast case temperatureBallast case temperature

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PEARL ResultsPEARL Results

Testing CycleTesting Cycle CFL TypesCFL Types Fixture TypesFixture Types

11 1313 99

22 1818 99

33 2020 1010

44 2020 1010

55 1818 00

66 3434 1515

77** 3030 00

* In progress

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Percentage of Compliance with ENERGY STAR Spec for All CFLs tested in PEARL

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Efficacy (lm/W) 1000-hour Lumen

Maintenance

40%-life Lumen

Maintenance

Rapid Cycle StressTest

Parameters

% o

f C

FL

s th

at P

asse

d

Cycle1Cycle2Cycle3Cycle4Cycle5Cycle6


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Percentage of Compliance with Energy Star Specfor All CFLs tested in PEARL

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Efficacy (lm/W) 1000-hour Lumen

Maintenance

40%-life Lumen

Maintenance

Rapid CycleStress Test

Parameters

% o

f C

FL

s th

at P

asse

d

Bare lamp

Coveredlamp

Reflectorlamp


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Percentage Compliance with Energy Star Spec for All Indoor Fixtures tested in PEARL

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Lamp and Ballast Efficacy Start Time

Parameters

Cycle 1

Cycle 2

Cycle 3

Cycle 4

Cycle 6

% F

ixtu

res

Pas

sed


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PEARLPEARL

• ENERGY STAR is currently working with its ENERGY STAR is currently working with its partners to develop a self-sustaining watch-partners to develop a self-sustaining watch-dog program that will be funded by the dog program that will be funded by the manufacturersmanufacturers

• US Environmental Protection Agency is US Environmental Protection Agency is working with the fixture manufacturersworking with the fixture manufacturers

• US Department of Energy is working with US Department of Energy is working with the CFL manufacturersthe CFL manufacturers

• It is expected that these programs will be in It is expected that these programs will be in place when PEARL Cycle 7 is completeplace when PEARL Cycle 7 is complete

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ConclusionsConclusions

• Products have been improving over timeProducts have been improving over time

• PEARL has continually expanded its PEARL has continually expanded its

coverage of products and amount of testingcoverage of products and amount of testing

• Only been able to touch a very small Only been able to touch a very small

percentage of the products on the marketpercentage of the products on the market– 5.6% for CFLs & 0.8% for fixtures5.6% for CFLs & 0.8% for fixtures

– Not easy to find some productsNot easy to find some products

• Watchdog program plays an important roleWatchdog program plays an important role

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© 2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved © 2006 Rensselaer Polytechnic Institute, Troy, NY 12180 USA - All Rights Reserved

Thank you!Thank you!

Contact information:Contact information:Conan O’RourkeConan O’Rourke(518) 687-7182(518) [email protected]@rpi.edu

www.www.lrclrc..rpirpi..eduedu

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