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ENERGY STAR® Program Requirements for
Solid State Lighting Luminaires	®
Eligibility Criteria - Version 1.0
Table of Contents
Scope	3
General Requirements	3
All Luminaires	4
Device/Arrays	5
Outdoor Luminaires	5
Drivers	5
Packaging Requirements	6
Category A: Near-term Applications	7
Under-cabinet kitchen lighting	9
Under-cabinet shelf-mounted task lighting	9
Portable desk task lights	9
Recessed downlights	10
Outdoor wall-mounted porch lights	10
Outdoor step lights	10
Outdoor pathway lights	10
Category B: Future Performance Targets	12
Standards and Documentation	13
Qualification Process	16
Product Variations	17
Lumen Depreciation Qualification	17
In-situ Driver/Driver Case Temperature Qualification	18
Qualification Procedures	18
Quality Assurance Testing	18
Effective Date	18
Future Specification Revisions	19

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Appendix	20
Definitions	20
Reference Standards and Test Procedures	22
Chromaticity Specification and Tolerance Quadrangles	23
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CHANGE FORTHE
BETTER WITH
ENERGY STAR
ENERGY STAR® Program Requirements for
Solid State Lighting Luminaires
Eligibility Criteria - Version 1.0
Comment on all criteria: The rapid pace of SSL performance improvements will require DOE
to periodically review and amend the criteria to parallel technological advances and ensure the
criteria remain up to date. DOE will monitor SSL developments and, at appropriate intervals,
revise the criteria. DOE is sensitive to concerns over frequent revisions and stranded product.
Given the early stage of SSL technology development with respect to its application to general
illumination, the criteria establish near-term requirements and future performance targets. The
near-term requirements (Category A) are for listed lighting application products achieving
energy performance equivalent or better than fluorescent light sources used in the same
applications. The long-term targets (Category B) are intended to indicate, well in advance,
DOE's intent to substantially raise required efficacy to the much higher performance levels
projected to be achievable in approximately three years.
Below are the product criteria for ENERGY STAR® qualified luminaires using solid-state lighting (SSL). A
product must meet all the criteria in order to be qualified as ENERGY STAR.
Comment on scope clarification: The Scope section was modified to address comments
made by fixture manufacturers concerning whether these criteria applied to decorative
luminaires. Newly inserted language makes clear the criteria are intended to include decorative
luminaires, so long as those luminaires provide a significant general illumination function.
However, those luminaires must meet the same performance requirements as non-decorative
luminaires. Language was also added to clarify that the criteria apply only to products intended
to be connected to the power grid, and do not apply to indication-type products.
The ENERGY STAR criteria cover the requirements for SSL products used for general illumination, including
those with significant decorative function. If a decorative SSL product serves a significant general illumination
function, it falls within the scope of these criteria. The criteria apply to both residential and commercial
products. The criteria apply only to products designed to be connected to the electric power grid. In addition,
they do not apply to SSL products made for indication (such as traffic lights and exit signs); nor do they apply
to products exclusively intended for decoration (such as holiday lights).
General Requirements
The criteria are based upon compliance with existing lighting industry reference standards and test
procedures, as well as new or revised standards and test procedures currently being developed by lighting
industry organizations. These reference standards and test procedures are listed in the appendix.
The following general requirements apply to both Categories A and B. Additional requirements for correlated
color temperature (CCT), luminaire efficacy, zonal lumen density, and minimum light output are listed under
Categories A and B below.
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Scope

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All Luminaires
Comment on chromaticity requirements: The chromaticity requirements shown below have
been proposed by the ANSI C78 Working Group. They are a modification of existing
fluorescent lamp standards intended to reflect the current (and near future) state of SSL
technology and color binning capabilities. LEDs are binned for chromaticity in the
manufacturing process. These bins, when superimposed on the CIE 1931 Chromaticity
Diagram, take the form of quadrangles, as opposed to ellipses. Six of the eight quadrangles
defined below largely correspond to and overlap with the ANSI 7-step MacAdam ellipses
(consistent with the current ENERGY STAR lighting criteria), but include additional space in the
corners. The proposed quadrangles therefore have the same nominal CCTs as fluorescent
lamps. The two additional nominal CCTs, 4500 K and 5700 K, provide color definition for LEDs
that would not otherwise be captured by the current six ANSI defined CCTs.
Comment on changes to chromaticity requirements: The prior draft criteria referenced a
flexible color option included in the draft ANSI chromaticity specification. The flexible color
option has been removed from this draft for the following reasons: First, DOE believes the
increase from the six CCTs currently used in the ENERGY STAR program to eight will already
challenge a lighting industry struggling to communicate color to end users. Including a variable
CCT will simply allow too many options. And second, DOE believes the best path forward for
the emerging SSL industry is to be as consistent as possible with existing lighting paradigms.
Comment on addition of off-state power requirement: Some SSL luminaires tested by DOE
draw power in the off-state. These "vampire" loads, while relatively small, have a cumulative
impact overtime resulting in a significant reduction in energy efficiency. The problem lies with
the use of power supplies located upstream from the on/off switch that draw power even though
the luminaire is not energized. DOE therefore has prohibited off-state power except in
instances where occupancy or photo-controls are incorporated into the luminaire.
Luminaire Requirements:
Correlated Color Temperature
(CCT)
The luminaire must have one of the following designated CCTs and fall
within the 7-step chromaticity quadrangles as defined in the Appendix.

Nominal CCT(1)
CCT (K)

2700 K
2725 ± 145

3000 K
3045 ± 175

3500 K
3465 ± 245

4000 K
3985 ± 275

4500 K
4503 ± 243

5000 K
5028 ±283

5700 K
5665 ± 355

6500 K
6530 ±510
Color Spatial Uniformity
The variation of chromaticity in different directions (i.e., with a change in
viewing angle) shall be within 0.004 on the CIE 1976 (u',v') diagram.
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Color Maintenance
The change of chromaticity over the lifetime of the product shall be within
0.007 on the CIE 1976 (u',v') diagram.
Color Rendering Index (CRI)
Indoor luminaires shall have a minimum CRI of 75.
Off-state Power
Luminaires shall not draw power in the off state.
Exception: Luminaires with integral occupancy, motion or photo-
controls are exempt from this requirement.
Warranty
A warranty must be provided for luminaires, covering repair or
replacement of defective electrical parts (including light source and
drivers) for a minimum of three (3) years from the date of purchase. For
residential products, the written warranty must be included with the
luminaire packaging at the time of shipment.
Thermal Management
Luminaire manufacturers shall adhere to device manufacturer guidelines,
certification programs, and test procedures for thermal management.
(1) Six of the eight allowed nominal CCTs correspond to those in the fluorescent lamp specification: 2700 K,
3000 K, 3500 K, 4100 K, 5000 K, and 6500 K.
Device/Arrays
Device/Array Requirements
Lumen Depreciation of LED
Light Sources (L70)
The device shall have average rated lumen maintenance of at least 70%
of initial device lumens at 35,000 hours.
Outdoor Luminaires
Outdoor Luminaire Requirements
Residential Automatic Daylight
Control
Residential luminaires designed for attaching to buildings and whose
power consumption is greater than 13 watts must contain an integral
photo-sensor that automatically prevents operation during daylight hours.
In addition, the control must automatically reactivate within 24 hours of a
manual override or test operation.
Drivers
Comment on power factor changes: The required power factor was reduced from 0.9 to 0.7
for residential luminaires in response to comments about the potential driver cost impacts of
requiring 0.9 for residential luminaires. DOE product testing of residential luminaires and
discussions with manufacturers indicates 0.7 is readily achievable in residential products.
Driver Requirements
Power Factor
>	0.70 (Residential)
>	0.90 (Commercial)
Minimum Operating
Temperature
Driver shall have a minimum operating temperature of-20°C or below.
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Maximum Measured
Driver/Driver Case
Temperature During Normal
Operation Inside Luminaire(s)
Not to exceed the driver manufacturer maximum recommended
driver/driver case temperature during in-situ operation.
Note: This performance characteristic is separate and distinct from
thermal requirements established by UL, which governs safety rather
than longevity of the driver. All qualified luminaires are expected to meet
this requirement, including linear, suspended, close-to-ceiling, IC, ICAT
and Non-IC recessed canisters, etc. as well as those luminaires that
may be exempt from UL1598.
Electromagnetic and Radio
Frequency Interference
•	Drivers designated by the manufacturer for residential applications
must meet FCC requirements for consumer use (FCC 47 CFR Part
15 Consumer Emission Limits).
•	Drivers designated by the manufacturer for commercial applications
must meet FCC requirements for non-consumer use (FCC 47 CFR
Part 15 Non- consumer Emission Limits).
Noise
Driver shall have a Class A sound rating.
Transient Protection
Driver shall comply with IEEE C.62.41-1991, Class A operation. The line
transient shall consist of seven strikes of a 100 kHz ring wave, 2.5 kV
level, for both common mode and differential mode.
Packaging Requirements
Packaging Requirements
Incompatibility with Controls
and Application Exceptions
Included documentation must clearly state any known incompatibility
with photo-controls, dimmers or timing devices.
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Category A: Near-term Applications
Comment on luminaire efficacy: The ENERGY STAR criteria for SSL Luminaires use
Luminaire Efficacy to establish performance as defined below:
Luminaire Light Output (includes fixture efficiency and thermal effects)
Luminaire Efficacy =	
Luminaire Input Power
The ENERGY STAR criteria for non-SSL residential light fixtures (commonly referred to as
RLF) use system efficacy defined as the light output of the lamp-ballast system divided by the
input power measured in a 25°C environment. Established test procedures for fluorescent
sources support this approach. However, the program requirements in this document are
based upon luminaire efficacy, instead of system efficacy for the following reasons:
•	Accurate measurement of the LED light source separate from the fixture is often not
possible. LEDs typically are integrated into the fixture and not readily removable
without altering the performance of the light source.
•	LED performance is significantly affected by elevated temperature. LED devices
generate heat that is typically removed by an external heat sink, which may be
designed into the luminaire itself. Separating the light source from its heat sink will
significantly impact test results. There are no standards or test procedures to measure
system efficacy of LEDs. However, standards organizations are developing a test
procedure for photometric measurement of LED luminaires. This test procedure is
currently in draft form and scheduled to be final in mid-2007.
•	Luminaire efficacy provides more realistic energy efficiency information because it
accounts for driver, thermal, and fixture losses, thus better meeting the needs of buyers
who seek the most light output for the least energy input.
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Comment on methodology for establishing luminaire efficacy of near-term applications:
Determination of the luminaire efficacy thresholds for applications stems from an analysis of the
currently available fluorescent products in the market, IESNA design guidelines, photometric
modeling and the current performance characteristics of commercial LEDs. The selection of
Category A applications is primarily based on the following parameters:
•	Directed light applications
•	Source relatively close to illuminated surface
•	Relatively modest illuminance requirements
•	Applications in which typical fixture efficiency (with traditional light sources) is 60% or
lower
Minimum luminaire efficacy levels are established for each application. They are intended to
assure approved luminaires perform at least as well as typical luminaires using fluorescent light
sources. To establish these efficacy requirements, the following assumptions were made about
the fluorescent luminaires against which they were benchmarked.
Assumptions for Fluorescent Luminaire Benchmarks
Application
System Efficacy (lm/W)t
Fixture Efficiency
Under-cabinet kitchen
58.8
40%
Under-cabinet shelf-mounted
58.8
50%
Portable desk/task
58.8
50%
Recessed downlights
58.8
60%
Outdoor porch
58.8
40%
Outdoor step
50.0
40%
Outdoor path
50.0
50%
Comment on dropping CRI adjustment factor: DOE dropped the use of an adjustment factor
in our methodology for establishing Category A efficacy requirements. The adjustment factor
had the effect of increasing efficacy requirements for products whose required CRI fell below
80.
Comment on change in recessed downlight efficacy: DOE increased the assumed fixture
efficiency from 50 to 60%. While 50% fixture efficiency for pin-base CFL fixtures is actually
more typical, we adjusted this number upward to reflect the higher fixture efficiencies achieved
when reflector CFLs are used in recessed downlights. The use of higher assumed fixture
efficiency increased the required luminaire efficacy for residential products from 29 Im/Wto 35
Im/W, and from 33 to 35 Im/Wfor commercial products. (The change in the commercial
downlight required efficacy was also affected by dropping the CRI adjustment factor, as
explained in the comment above.)
f The ASHRAE/IESNA 90.1 Lighting sub-committee consensus for typical pin-based CFL system efficacy
58.8 Im/W. The efficacy of applications that typically use lower wattage CFLs was reduced to 50.0 Im/W
reflecting the reduced efficacy of these systems.
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Comment on addition of allowable CCTs: Allowable CCTs were added to the residential
indoor applications to address concerns about potential negative consumer reaction to high
CCT products. One of the key lessons learned from CFL market introduction is that color
quality has an important and lasting impact on user acceptance of the light source. Currently,
the most efficacious LEDs are those with high CCT, typically 5000 K or higher. Standard
residential lighting (incandescent and fluorescent) has CCTs of 2700 Kto 3000 K. To help
ensure user satisfaction with qualified products, CCTs above 3500 K are not allowed for kitchen
under-cabinet or residential recessed downlights. For portable desk/task lighting, higher CCTs
are allowed, because they are sometimes preferred for detailed task work. No restrictions are
placed on outdoor products given the wide range of CCTs used for conventional products in
these applications.
Under-cabinet kitchen lighting
Application Requirements
Minimum Light Output
Luminaire shall deliver a minimum of 150 lumens (initial) per lineal foot. The
light output requirement is calculated by the following equation:
Measured Fixture Length (inches) 	 .... „ 		 ,
	—		—		-x150 = Minimum Required Light Output (lumens)
Zonal Lumen Density
Requirement
Luminaire shall deliver no more than 75% of total lumens (initial) within the
0-60° zone.
Minimum Luminaire
Efficacy
24 Im/W
Allowable CCTs
2700 K, 3000 K and 3500 K
Under-cabinet shelf-mounted task lighting
Application Requirements
Minimum Light Output
Luminaire shall deliver a minimum of 150 lumens (initial) per lineal foot. The
light output requirement is calculated by the following equation:
Measured Fixture Length (inches) . , , . , x x x „
	—		—1	-x150 = Minimum Required Light Output (lumens)
Zonal Lumen Density
Requirement
Luminaire shall deliver no more than 75% of total lumens (initial) within the
0-60° zone.
Minimum Luminaire
Efficacy
29 Im/W
Allowable CCTs
2700 K, 3000 K, 3500 K, 4000 K, 4500 K and 5000 K
Portable desk task lights
Application Requirements
Minimum Light Output
Luminaire shall deliver a minimum of 200 lumens (initial).
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Zonal Lumen Density
Requirement
Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-60° zone.


Minimum Luminaire
Efficacy
29 Im/W


Allowable CCTs
2700 K, 3000 K, 3500 K, 4000 K, 4500 K and 5000 K

Recessed downlights

Application Requirements


Minimum Light Output
< 4" Aperture (nominal): 300 lumens (initial)
> 4" Aperture (nominal): 500 lumens (initial)


Zonal Lumen Density
Requirement
Luminaire shall deliver a minimum of 75% of total lumens (initial) within the
0-60° zone.


Minimum Luminaire
Efficacy
35 Im/W


Allowable CCTs
•	2700 K, 3000 K and 3500 K for Residential products
•	No restrictions for Commercial


Reduced Air Leakage
Recessed downlights intended for installation in insulated ceilings shall be IC
rated and be leak tested per ASTM E-283 to demonstrate no more than 2.0
cubic feet per minute (cfm) at 75 Pascals (1.57 Ibs/ft2) pressure difference.
The luminaire must include a label certifying "airtight" or similar designation to
show air leakage less than 2.0 CFM at 75 Pascals when tested in accordance
with ASTM E283.

Outdoor wall-mounted porch lights

Application Requirements


Minimum Light Output
Luminaire shall deliver a minimum of 150 lumens (initial).


Zonal Lumen Density
Requirement
Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-90° zone.


Minimum Luminaire
Efficacy
24 Im/W

Outdoor step lights


Application Requirements


Minimum Light Output
Luminaire shall deliver a minimum of 50 lumens (initial).


Zonal Lumen Density
Requirement
Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-90° zone.


Minimum Luminaire
Efficacy
20 Im/W

Outdoor pathway lights
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Application Requirements
Minimum Light Output
Luminaire shall deliver a minimum of 100 lumens (initial).
Zonal Lumen Density
Requirement
Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-90° zone.
Minimum Luminaire
Efficacy
25 Im/W
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Category B: Future Performance Targets
Clarification of changes in Category B: The intent of Category B is to announce DOE's
intent, well in advance, of substantially increasing future performance requirements, and to
encourage continued improvement in technology selection and design of luminaires using SSL
sources. Category B is not restricted to the applications in Category A. Products for a wide
range of general illumination applications will be eligible.
The minimum luminaire efficacy target given for Category B is intended to rival today's most
efficient lighting systems using traditional light sources. For example, the best commonly
available high-performance T8 fluorescent lamp and electronic ballast systems are rated
around 100 Im/W. High-quality fixtures for these lamp-ballast systems are about 70% efficient,
yielding 70 Im/W luminaire efficacy.
Based on current commercially available technology, the Category B level of minimum
luminaire efficacy is not achievable for LED luminaires. However, DOE anticipates
performance will rise rapidly over the coming years due to on-going progress in LED efficacy,
LED high temperature tolerance, driver efficiency improvements, and luminaire design.
DOE believes a significant number of general illumination products will be able to achieve 70
Im/W luminaire efficacy within three years after the effective date of these criteria. Accordingly,
products will be allowed to begin qualifying under Category B requirements three years after the
effective date of these criteria.
Comment on addition of future glare requirement: DOE understands that by setting the
luminaire efficacy to high levels in the future there is the potential for luminaires to enter the
market with high direct and indirect glare as manufacturers strive to increase luminaire efficacy
by maximizing fixture efficiency. Current glare metrics such as Visual Comfort Probability
(VCP), Unified Glare Rating (UGR), Glare Index (Gl), etc. are based on subjective reports of
discomfort for a particular application. In response to these concerns, DOE plans to engage the
lighting industry to develop/recommend metrics for use in category B to manage objectionable
glare.
Category B is established as a future target for performance of SSL-based luminaires. Products cannot
qualify under Category B until three years after the effective date of these criteria.
Future Luminaire Efficacy Target
> 70 Im/W
Luminaire Efficacy
All Other Requirements:
Glare requirements
To be developed
All other requirements will be the same as those in effect for Category A at the time Category B becomes
effective, except for minimum light output and zonal lumen density requirements, which will not be used in
Category B.
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Standards and Documentation
Comment on NVLAP accreditation: DOE expects the key standards and test procedures to
be completed in mid-2007 and formally adopted by their respective organizations by Fall 2007.
The process to accredit laboratories for the new test procedures can only be conducted once
they have been formally approved. In addition, the time necessary to accredit laboratories may
limit the available number of third-party laboratories to conduct testing in the near-term. DOE is
funding NIST to address this potential shortcoming. However, in order to maintain the program
schedule and meet the quality and performance expectations of program stakeholders, DOE
will suspend the NVLAP accreditation requirement for a period of one year from the effective
date. During this period of time, DOE will conduct an aggressive Quality Assurance (QA)
program to insure the highest levels of conformance to the new standards and test procedures.
The NVLAP accreditation requirement will be suspended for a period of one year from the effective date of
the criteria.
Performance
Characteristic
Methods of Measurement
Reference Standards
Required Documentation
Luminaire Efficacy:
Light Output
Input Power
IESNA LM-79-XXt
ANSI C82.2
Laboratory test results must be produced using
the specific device(s) and driver combination
that will be used in production.
Provide a test report from a laboratory
accredited by NVLAP or one of its MRA
signatories.
Note: If the laboratory used for this test is
accredited by NVLAP or one of its MRA
signatories it must also have a scope of
accreditation that includes the method of
measurement reference standard for this
performance characteristic.
f Currently being developed by IESNA/ANSI Task Groups in coordination with DOE ENERGY STAR SSL
program
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Power Factor
ANSI C82.77
Laboratory test results must be produced using
the specific device(s) and driver combination
that will be used in production.
Provide a test report from a laboratory
accredited by NVLAP or one of its MRA
signatories.
Note: If the laboratory used for this test is
accredited by NVLAP or one of its MRA
signatories it must also have a scope of
accreditation that includes the method of
measurement reference standard for this
performance characteristic.
Lumen Depreciation (L70)
IESNA LM-80-XXt
Laboratory test results must be produced using
the specific device(s) and driver combination
that will be used in production. See the
Qualification Process section below for
additional information on Lumen Depreciation
testing.
Provide a test report from a laboratory
accredited by NVLAP or one of its MRA
signatories.
Note: If the laboratory used for this test is
accredited by NVLAP or one of its MRA
signatories it must also have a scope of
accreditation that includes the method of
measurement reference standard for this
performance characteristic.
Color Rendering Index
ANSI C78.377A|
IESNA LM-79-XX
CIE 13.3-1995
IESNA LM-58
Laboratory test results must be produced using
the specific device(s) and driver combination
that will be used in production.
Provide a test report from a laboratory
accredited by NVLAP or one of its MRA
signatories.
Note: If the laboratory used for this test is
accredited by NVLAP or one of its MRA
signatories it must also have a scope of
accreditation that includes the method of
measurement reference standard for this
performance characteristic.
f Currently being developed by IESNA/ANSI Task Groups in coordination with DOE ENERGY STAR SSL
program
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Chromaticity and
Correlated Color
Temperature
IESNA LM-79-XX
CIE 15: 2004
IESNA LM-58
IESNA LM-16
Laboratory test results must be produced using
the specific device(s) and driver combination
that will be used in production.
Provide a test report from a laboratory
accredited by NVLAP or one of its MRA
signatories.
Note: If the laboratory used for this test is
accredited by NVLAP or one of its MRA
signatories it must also have a scope of
accreditation that includes the method of
measurement reference standard for this
performance characteristic.
Color Spatial Uniformity
and Color Maintenance
IESNA LM-79-XX
CIE 15: 2004
IESNA LM-58
IESNA LM-16
Self Certification
Note: A laboratory test report must be submitted
upon DOE request.
In-situ Driver/Driver Case
Temperature
In-situ Driver/Driver Case
Temperature Test
Self Certification
Note: A laboratory test report must be submitted
upon DOE request.
Noise
Class A sound rating: Driver not
to exceed 24 dB
Self Certification
Note: A laboratory test report must be submitted
upon DOE request.
Luminaire Warranty

Provide copy of the actual three-year
manufacturer luminaire warranty that is included
in the packaging.
Safety
Portable Fixtures
Hardwired Fixtures
ANSI/UL 153
UL1598
Provide the cover page of a safety test report or
a general coverage statement from an OSHA
NRTL laboratory.
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Qualification Process
Comment on allowing product variations: DOE received a number of comments concerning
the requirement that all luminaires and all versions of those luminaires be tested as a condition
of qualifying for ENERGY STAR. DOE understands the time and costs associated with testing
all versions of a product. Accordingly, DOE has developed a product group qualification
process that allows for limited variations between products tested for qualification and those to
which the qualification applies.
In this approach, an applicant may group similar products. The applicant self-defines the
product grouping and product variations to which the application applies. DOE would require
and verify that all units in this family are essentially identical except for minor variations.
Applicants would provide a single luminaire from this family for testing. So long as the product
passed ENERGY STAR testing, the entire proposed product grouping would be qualified to
carry the ENERGY STAR label.
However, this seemingly lenient approach to product qualification would be backed by an
aggressive quality assurance (QA) program. DOE will aggressively test qualified products
included in product groupings after their appearance in the market, focusing on models that
exhibited characteristics making them likely to perform less well than the tested product. If a
QA test found a non-complying product, the entire product grouping would be disqualified. If a
QA test found a second test failure in another product grouping from the same applicant, that
applicant's rights to use product grouping would be suspended for a year.
The approach combines up-front trust of applicants' product groupings with an uncompromising
back-end QA program. DOE believes the price for failing QA testing is high enough to induce
applicants into being conservative with their product grouping designations. DOE will
encourage them to select for qualification testing the product in a proposed grouping least likely
to meet program requirements. If applicants don't follow that advice, they are likely to be
subject to product de-listings (which their retailers and distributors will learn about), and they will
have to incur significant testing expense for individual product variation testing.
DOE believes this approach to be a reasonable compromise between the competing needs for
robust qualification testing and acceptable applicant testing costs.
Comment on alternate testing procedures: Several stakeholders also expressed concerns
about the requirements for luminaire testing, citing the additional time and expense this would
add to the qualification process. The current status of LED technology and available test
procedures preclude qualification of LED fixtures on the basis of platform (i.e., lamp-ballast or
LED-driver) testing. There is too much variability in the way LEDs are integrated into fixtures
and this integration materially impacts LED performance. Further, the first industry standard
photometric test procedure under development is designed to test complete luminaires. At this
early stage of LED development, DOE believes quality and end user satisfaction will be best
served by qualifying luminaires, rather than platforms. DOE welcomes engagement and
industry dialogue on streamlining and simplifying the testing procedures, while still capturing the
necessary photometric, electrical, and colorimetric information necessary to ensure product
quality and efficiency. Following adoption of these criteria, DOE will convene a process to
develop alternative testing approaches, inviting participation by lighting manufacturers, lighting
testing laboratories, and research institutions.
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Product Variations
In recognition of the significant component substitution that occurs on a manufacturing production line, and in
recognition of a range of product variations that may or may not have a material affect on product
performance, these criteria allow for limited variation between products tested for qualification purposes, and
products qualified as a result of those tests.
Applicants may choose to qualify product groups as a single SKU (one SKU, some variations) or a SKU
family (multiple SKUs, some variations). Applicants self define product groupings. Under either option,
qualified products must be essentially identical to the tested product. Only limited variation is allowed. The
table below summarizes allowable variations.
Variations Within Product Groupings
Housing/Chassis
not allowed
Heat Sink/Heat Management
not allowed
Finish
allowed
Reflector/Trim
allowed
Shade/Diffuser
allowed
Light Source
allowed, w/ conditions
Driver
allowed, w/ conditions
As seen in the table, housing/chassis variations and heat sink/heat management component variations are
not allowed, whether applying for a single SKU or SKU family, because they may materially impact LED
performance. Finish, reflector/trim, and shade/diffuser variations are allowed. Light source and driver
variations are allowed, subject to conditions described below.
Products qualified under a single application may include LED device(s)/array(s) and drivers from more than
one manufacturer, but the LED device(s)/array(s) and drivers must be substitutable components used to
manufacture essentially identical luminaires and must be intended to produce the same quantity and quality
of light. LED device(s)/array(s) and driver substitutions intended to produce different CCT, CRI, total flux, and
other quantitative and qualitative differences in light may not be included in a single product grouping.
Further, all LED device(s)/array(s) substitution components must separately comply with the Option 1
(Component Performance) requirements in the Lumen Depreciation section below.
Lumen Depreciation Qualification
The LM-80 test procedure prescribes lumen depreciation testing for the device(s)/array(s) and/or the
luminaire. The applicant may demonstrate compliance with either Option 1 (Component Performance) or
Option 2 (Luminaire Performance).
OPTION 1: Component Performance
The Component Performance option allows the applicant to demonstrate compliance with the lumen
depreciation requirement by demonstrating an LM-80 tested light source (device(s)/array(s)) operates at or
below specified temperatures when operated in situ. To be eligible for the component performance option,
ALL three of the conditions below must be met. If ANY of the conditions are not met, the component
performance option may not be used and the applicant must use the luminaire performance option for
compliance.
1.	The LED device(s)/array(s) used in the fixture has/have been tested according to LM-80, and the
device(s)/array(s) demonstrated an L70 lumen maintenance of 35,000 hours or greater.
2.	The device(s)/array(s) manufacturer prescribes/indicates a temperature measurement location on the
device(s)/array(s).
3.	The device(s)/array(s) temperature measurement location is accessible to allow temporary
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attachment of a thermocouple for measurement of in situ temperature. Access via a temporary hole
in the housing, tightly resealed during testing with putty or other flexible sealant is allowable.
The luminaire PASSES the Lumen Depreciation requirements if:
1.	The device(s)/array(s) temperature measured in situ, at the specified temperature measurement
location is less than or equal to the temperature(s) specified in the LM-80 test report for the
corresponding drive current or higher.
2.	The drive current measured in the fixture is less than or equal to the drive current specified in the LM-
80 test report at the corresponding temperature or higher.
OPTION 2: Luminaire Performance
The applicant demonstrates compliance with the lumen depreciation requirement by submitting an LM-80 test
report for the entire luminaire. The test report must demonstrate an L70 lumen maintenance of 35,000 hours
or greater.
In-situ Driver/Driver Case Temperature Qualification
The In-situ Driver/Driver Case Temperature Test measures the steady-state temperature of the driver when
operated in situ. The luminaire passes the In-situ Driver/Driver Case Temperature Test if the driver/driver
case temperature measured, in situ, at the driver/driver case temperature measurement location is less than
or equal to the warranted temperature specified by the driver manufacturer.
Qualification Procedures
DOE will separately develop a document describing the specifics of qualification procedures, including
application forms.
Quality Assurance Testing
If a product qualified under a Single SKU product grouping or SKU Family product grouping fails QA testing
the entire product grouping is de-listed. If two or more variations of a product qualified under a product
grouping fail QA testing, the applicant is placed on a probationary list. Applicants on the probationary list
temporarily have their rights to use of product groupings suspended. They must individually qualify each
unique product, including light source and driver variations within a single SKU. An applicant is removed from
the probationary list after one year, making it once again eligible to qualify for product groupings. Applicants
will be returned to the probationary list if two or more of their product groupings subsequently fail QA tests.
To limit the probability of test failure during QA testing and subsequent suspension of product grouping
qualification rights, applicants are advised to test and qualify the least efficient version of luminaires covered
by a single application, and to only use substitute components during manufacturing that perform at least as
well as components used in products tested for qualification.
A separate document will be developed by DOE to define the specifics of the quality assurance testing (QA)
intended to accompany these criteria.
Effective Date
The effective date for the ENERGY STAR Program Requirements and Criteria for SSL - Version 1.0 will be
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(to be determined). However, DOE will not make the criteria effective until all referenced standards and test
procedures are in effect. Therefore DOE reserves the right to delay the effective date in the event the
relevant standards are not in place by (to be determined).
Future Specification Revisions
Due to the rapid pace of LED technology development, DOE anticipates regular revisions to these criteria.
DOE anticipates that new applications will be added to the criteria as LED performance and efficacy improve.
Revisions will be announced to all partners with time for input and review.
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Appendix
Definitions
A.	A2LA: American Association for Laboratory Accreditation.
B.	ALA: American Lighting Association.
C.	ANSI: American National Standards Institute.
D.	ASSIST: Alliance for Solid State Illumination Systems and Technologies.
E.	ASTM: American Society for Testing of Materials.
F.	Automatic daylight shutoff: A photocell device that automatically prevents operation of a luminaire during
daylight hours.
G.	CIE: Commission Internationale de I'Eclairage (translated International Commission on Illumination).
H.	Color appearance: The actual color of the lamp is called the color appearance and is defined in terms of
the spectral tri-stimulus values (color coordinates) according to the recommendations of the CIE Publication
No. 13.3 - 1995. For color coordinates near the black body loci, the correlated color temperature (Kelvin)
can be used to define color appearance.
I.	Color rendition: The effect the spectral characteristic of the light emitted by the LED has on the color
appearance of the objects illuminated by it is called color rendition. The color rendering index (CRI) is
defined in terms of a comparison of the spectral tri-stimulus values of the objects under test illumination and
standard illumination according to the recommendations of CIE Publication No.13.3-1995.
J. Commercial luminaire: A luminaire using a Class A power supply.
K. Correlated Color Temperature (CCT): The actual color of the LED is called the color temperature and is
defined in terms of the spectral tri-stimulus values (color coordinates) according to the recommendations of
IESNA LM-16. For color coordinates near the Black Body loci, the correlated color temperature, measured
in Kelvin (K), is used.
L. CSA: Canadian Standards Association.
M. Device: The LED package containing the die, encapsulant, internal optics, electrical connections and heat
sinking that delivers light.
N. Driver: A device used with light emitting diodes to obtain the necessary circuit conditions (voltage, current,
and waveform) for starting and operating.
O. IEC: International Electrotechnical Commission.
P. IESNA: Illuminating Engineering Society of North America.
Q. Initial performance values: The photometric and electrical characteristics at the end of the 100-hour aging
period.
R. LED lumen depreciation (L7n): The length of time declared by the manufacturer at which 70% lumen
maintenance of any large number of LEDs is reached.
S. Luminaire: A complete lighting unit consisting of an LED(s) and driver(s) together with the parts designed to
distribute the light, position and protect the LEDs, and connect the LEDs to the power supply.
T. Luminaire Efficacy: The luminous flux of the luminaire divided by the input wattage.
U. Lumen maintenance: The luminous flux at a given time in the life of the LED and expressed as a
percentage of the initial luminous flux.
V. MacAdam color ellipse: An elliptical region of chromaticity coordinates that is defined using a centroid, a
tilt angle relative to a horizontal axis, and a defined level of variance. Such a region defines what
chromaticity coordinates can be acceptably associated with a target Correlated Color Temperature. For
these criteria, standardized color ellipses are defined using centroids based upon objective chromaticities
(x,y) and tilt angles (e) specified in Table 1 and 2 of ANSI C78.376-2004, and a defined variance of four
steps.
W. Minimum operating temperature: The minimum temperature at which the driver will reliably operate.
X. MRA: Mutual Recognition Arrangement.
Y. NVLAP: National Voluntary Laboratory Accreditation Program.
Z. Portable luminaire: A luminaire whose power supply connection is made by means of a cord with or
without a plug.
AA. Power factor: The active power divided by the apparent power (i.e., product of the rms input voltage and
rms input current of a driver).
BB. Rated luminous flux or lumen output: Initial lumen rating (based on the measured 100-hour lumens),
which is declared by the manufacturer.
CC. Recessed downlight: General purpose luminaire designed to provide general or ambient lighting in a
space. They are recessed into the ceiling and are designed to produce illuminance on a floor or workplane.
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The luminaire encompasses the fixture housing, reflector, trim ring, and light source. For purposes of the
ENERGY STAR SSL Luminaires criteria, two categories of recessed downlights are referenced:
1.	Recessed downlight fixture housing - the complete luminaire installed in new construction or major
renovation.
2.	Recessed downlight trim - refers to the portion of the recessed downlight luminaire visible from below
the ceiling, including the reflector, trim ring, light source, and parts necessary to connect the trim to the
fixture housing. The trim kit can often be used to retrofit an existing recessed downlight fixture housing.
DD. Residential luminaire: A luminaire using a Class B power supply.
EE. UL: Underwriters Laboratories
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Reference Standards and Test Procedures
Standards and Test Procedures in BLUE are currently underdevelopment.
Reference Standards and Test Procedures
Organization
Identifier
Description
ANSI
ANSI C82.XXX
Electronic Drivers for LED Devices, arrays, or systems (In
development).
ANSI
ANSI C78.377A
Specifications for the Chromaticity of Solid State Lighting
Products (In development).
ANSI
ANSI C82.77 - 2002
Harmonic Emission Limits - Related Power Quality
Requirements for Lighting
ANSI
ANSI/IEEE C62.41 -
1991
Recommended Practice for Surge Voltages in Low-Voltage AC
Power Circuits
ANSI/UL
ANSI/UL 153-2005
Portable Electric Luminaires
ASTM
ASTM E 283 - 2004
Restricted air movement
CIE
CIE Pub. No. 13.3-1995
Method of Measuring and Specifying Color Rendering of Light
Sources
FCC
FCC 47 CFR
Electromagnetic interference
IESNA
IESNA LM-16
Correlated Color Temperature
IESNA
IESNA LM-58
Color Rendering Index and Correlated Color Temperature
IESNA
IESNA LM-79
Approved Method for the Electrical and Photometric Testing of
Solid-State Lighting Devices (In Development)
IESNA
IESNA LM-80
Lumen Depreciation of LED Light Sources (In Development)
NFPA
NFPA 70 - 2005
National Electric Code
UL
UL 1012-2005
Power Units Other Than Class 2
UL
UL 1310-2005
Class 2 Power Units
UL
UL 1598-2004
Luminaires
UL
UL 1838-2002
Low Voltage Landscape Lighting Systems
UL
UL 1994-2005
Luminous Egress Path Marking Systems
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Chromaticity Specification and Tolerance Quadrangles
This chromaticity specification below/ was developed by ANSI to be as consistent as possible with existing
fluorescent lamp standards, and to reflect the current (and near future) state of SSL technology and color
binning capabilities. Each of the eight quadrangles as defined below overlap the six current the ANSI 7-step
MacAdam ellipses (consistent with the current ENERGY STAR lighting criteria), and thus have the same
nominal CCT as ENERGY STAR fluorescent lamps. Two additional CCTs (4500 and 5700K) are included to
encompass the additional CCTs available in SSL. Each quadrangle is defined by the range of CCT and the
distance from the Planckian locus on the chromaticity diagram. Refer to ANSI C78.377A for the details of
these definitions. Figure 1 shows the plot of these chromaticity quadrangles and the table below shows (x,y)
coordinates of the center points and the corners of each quadrangle.

2700 K
3000 K
3500 K
4000 K
4500 K
5000 K
5700 K
6500 K

X
y
X
y
X
y
X
y
X
y
X
y
X
y
X
y
Center point
0.4578
0.4101
0.4338
0.4030
0.4073
0.3917
0.3818
0.3797
0.3611
0.3658
0.3447
0.3553
0.3287
0.3417
0.3123
0.3282
Tolerance
quadrangle
0.4813
0.4319
0.4562
0.4260
0.4299
0.4165
0.4006
0.4044
0.3736
0.3874
0.3551
0.3760
0.3376
0.3616
0.3205
0.3481
0.4562
0.4260
0.4299
0.4165
0.3996
0.4015
0.3736
0.3874
0.3548
0.3736
0.3376
0.3616
0.3207
0.3462
0.3028
0.3304
0.4373
0.3893
0.4147
0.3814
0.3889
0.3690
0.3670
0.3578
0.3512
0.3465
0.3366
0.3369
0.3222
0.3243
0.3068
0.3113
0.4593
0.3944
0.4373
0.3893
0.4147
0.3814
0.3898
0.3716
0.3670
0.3578
0.3515
0.3487
0.3366
0.3369
0.3221
0.3261
CIE 1 931 x,y Chromaticity Diagram
0.46
2700 K
3000
0.44
3500 K
0.42
4000 K
0.40
4500 K
5000 K
0.38
5700
0.36
6500 K
0.34
° lllumiriant A
A D65
0.32
o
o
o
to
	 Planckian
locus
0.30
0.28
0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.46 0.48 0.50 0.52
X
Figure 1. CIE 1931 Chromaticity Diagram Showing the Eight Nominal CCT Quadrangles
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