ENERGY STAR Symbol

Lighting - LED Luminaires

ENERGY STAR®
Qualifying Criteria for
Solid State Lighting Luminaires (SSL)

Version 1.3

PDF Version

Below are the product criteria for ENERGY STAR qualified luminaires using solid-state lighting (SSL) - Version 1.3. A product must meet all the criteria in order to be qualified as ENERGY STAR.

Note: SSL Luminaires must be registered with the United States ENERGY STAR program (www.energystar.gov) before being sold in either Canada or the United States as ENERGY STAR qualified. Canada's ENERGY STAR initiative does not qualify SSL Luminaires and asks that all organizations contact the US program directly to register their product and complete a US Partner Agreement. (www.energystar.gov/index.cfm?c=product_specs.pt_product_specs)

Importers of SSL Luminaires into Canada must also follow these requirements. Manufacturers, distributors, and importers are also encouraged to sign an administrative arrangement with Natural Resources Canada.

The references in this document to "safety" related standards do not necessarily reflect the equivalent "Canadian" mandatory requirements for Solid State Lighting Luminaires sold in Canada. However, these products are require to meet mandatory Canadian safety standards when sold in Canada, and Natural Resources Canada does not have jurisdiction in this matter.

Scope

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); to products exclusively intended for decoration (such as holiday lights); nor to SSL products intended for retrofit into existing fixtures.

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.

All Luminaires

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 CCT1 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 from the weighted average point on the CIE 1976 (u',v') diagram.
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, photo-controls or individually addressable fixtures with external control and intelligence are exempt from this requirement.  The power draw for such luminaires shall not exceed 0.5 watts when in the off state.
Warranty A warranty must be provided for luminaires, covering repair or replacement of defective electrical parts (including light source and power supplies) 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.

Modules/Arrays

Package/Module/Array Requirements
Lumen Depreciation of LED Light Sources (L70) LED package(s)/module(s)/array(s) used in qualified luminaires shall deliver at least 70% of initial lumens, when installed in-situ, for the minimum number of hours specified below:

Residential Indoor: 25,000 hours
Residential Outdoor: 35,000 hours

All Commercial: 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.

Power Supplies

Power Supply Requirements
Power Factor Residential  ≥ 0.70
Commercial ≥ 0.90
Minimum Operating Temperature Power Supply shall have a minimum operating temperature of -20°C or below when used in luminaires intended for outdoor applications.
Maximum Measured Power Supply Case or Manufacturer Designated Temperature Measurement Point (TMPPS) Temperature Not to exceed the power supply manufacturer maximum recommended case temperature or TMP when measured during in-situ operation.

Note: This performance characteristic is separate and distinct from thermal requirements established by UL and CSA (in Canada) which governs safety rather than longevity of the power supply.  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 or CAN/CSA C2.22 No.9 – 96 in Canada.
Output Operating Frequency ≥ 120 Hz

Note: This performance characteristic addresses problems with visible flicker due to low frequency operation and applies to steady-state as well as dimmed operation.  Dimming operation shall meet the requirement at all light output levels.
Electromagnetic and Radio Frequency Interference
  • Power supplies designated by the manufacturer for residential applications must meet FCC requirements for consumer use (FCC 47 CFR Part 15/18 Consumer Emission Limits). In Canada, power supplies must be in accordance with applicable Interference-Causing Equipment Standards (ICES) from Industry Canada.
  • Power supplies designated by the manufacturer for commercial applications must meet FCC requirements for non-consumer use (FCC 47 CFR Part 15/18 Non- consumer Emission Limits). In Canada, power supplies must be in accordance with applicable Interference-Causing Equipment Standards (ICES) from Industry Canada.
Noise Power supply shall have a Class A sound rating.
Transient Protection Power supply 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.
Bilingual requirement For products that will be sold in Canada, packaging must include both English & French

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 Efficacy = (Luminaire Light Output (includes fixture efficiency and thermal effects) / 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 is no industry standard test procedure to measure system efficacy of LEDs.
  • Luminaire efficacy provides more realistic energy efficiency information because it accounts for power supply, thermal, and fixture losses, thus better meeting the needs of buyers who seek the most light output for the least energy input.

Residential Applications

Under-cabinet kitchen lighting

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 410 lumens (initial) per linear meter (or 125 lumens (initial) per linear foot).  The light output requirement is calculated by the following equation:
Measure Fixture Length (meter) * 410 = Minimum Required Light Output (lumens)
OR

(Measured Fixture Lenght (inches) / 12) * 125 = Minimum Required Light Output (lumens)
Note: The equation applies to all luminaire configurations.  For rectangular geometries the "measured fixture length" is the longest dimension of the fixture.  For circular geometries the "measured fixture length" is the diameter.  For linear track luminaires the "measured fixture length" is the track length.
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 60% of total lumens (initial) within the 0-60° zone and a minimum of 25% of total lumens (initial) within the 60-90° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 24 lm/W
Allowable CCTs 2700 K, 3000 K and 3500 K

Portable desk task lights

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 200 lumens (initial).
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-60° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 29 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K, 4000 K, 4500  K and 5000 K

Recessed, surface and pendant-mounted downlights

Application Requirements
Maximum Allowable Luminaire Aperture Luminaire aperture must be less than or equal to 0.2032 m (or 8") in diameter (if circular) or on any side (if rectangular).
Minimum Light Output ≤ 0.1143 m (or ≤ 4.5") Aperture: 345 lumens (initial)
> 0.1143 m (or > 4.5") Aperture: 575 lumens (initial)
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 75% of total lumens (initial) within the
0-60° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 35 lm/W
Allowable CCTs 2700  K, 3000 K and 3500 K
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 0.056 cubic meter per minute (CMM) (2.0 cubic feet per minute (cfm)) at 75 Pascals (1.57 lbs/ft2) pressure difference.  The luminaire must include a label certifying "airtight" or similar designation to show air leakage less than 0.056 CMM (2.0 CFM) at 75 Pascals when tested in accordance with ASTM E283.

Ceiling-mounted luminaires with diffusers*

Application Requirements
Minimum Light Output ≤ 0.2032 m (or ≤ 8") Maximum luminaire width: 375 lumens (initial)
> 0.2032 m (or > 8") Maximum luminaire width: 750 lumens (initial)
Minimum Luminaire Efficacy 30 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K

* Including but not limited to: flush-mounts, close-to-ceiling, and ceiling fan light kits


Cove Lighting

Application Requirements
Minimum Light Output Measure Fixture Length (meter) * 656 = Minimum Required Light Output (lumens)
OR

(Measured Fixture Lenght (inches) / 12) * 200 = Minimum Required Light Output (lumens)

Note: The equation applies to all luminaire configurations.  For rectangular geometries the "measured fixture length" is the longest dimension of the fixture.  For circular geometries the "measured fixture length" is the diameter.  For linear track luminaires the "measured fixture length" is the track length.
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 35% of total lumens within the 120°-150° zone.
Minimum Luminaire Efficacy 45 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K

Surface-mounted luminaires with directional head(s)*

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 200 lumens (initial) per head.
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 85% of total lumens within the 0°-90° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 35 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K

* Including but not limited to: ceiling fan light kits, track lights and rail lights


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 (bilaterally symmetrical).
Minimum Luminaire Efficacy 24 lm/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 (bilaterally symmetrical).
Minimum Luminaire Efficacy 20 lm/W

Outdoor pathway lights

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 (bilaterally symmetrical).
Minimum Luminaire Efficacy 25 lm/W

Outdoor pole/arm-mounted decorative luminaires

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 300 lumens (initial).
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 85% of total lumens (initial) within the 0-90° zone (bilaterally symmetrical). Luminaire shall not emit any light above 110°.
Minimum Luminaire Efficacy 35 lm/W

Non-Residential Applications

Recessed, surface and pendant-mounted downlights

Application Requirements
Maximum Allowable Luminaire Aperture Luminaire aperture must be less than or equal to 0.2032 m (or 8") in diameter (if circular) or on any side (if rectangular).
Minimum Light Output ≤ 0.1143 m (or ≤ 4.5") Aperture: 345 lumens (initial)
> 0.1143 m (or > 4.5") Aperture: 575 lumens (initial)
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 75% of total lumens (initial) within the
0-60° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 35 lm/W
Allowable CCTs 2700  K, 3000 K, 3500 K, 4000 K, 4500 K and 5000 K

Under-cabinet shelf-mounted task lighting

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 410 lumens (initial) per linear meter (or 125 lumens (initial) per linear foot).  The light output requirement is calculated by the following equation:
Measure Fixture Length (meter) * 410 = Minimum Required Light Output (lumens)
OR

(Measured Fixture Length (inches) / 12) * 125 = Minimum Required Light Output (lumens)
Note: The equation applies to all luminaire configurations.  For rectangular geometries the "measured fixture length" is the longest dimension of the fixture.  For circular geometries the "measured fixture length" is the diameter.  For linear track luminaires the "measured fixture length" is the track length.
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 60% of total lumens (initial) within the 0-60° zone and a minimum of 25% of total lumens (initial) within the 60-90° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 29 lm/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).
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 85% of total lumens (initial) within the
0-60° zone (bilaterally symmetrical).
Minimum Luminaire Efficacy 29 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K, 4000 K, 4500  K and 5000 K

Wall wash luminaires

Application Requirements
Minimum Light Output Luminaire shall deliver a minimum of 575 lumens (initial).
Zonal Lumen Density Requirement Luminaire shall deliver a minimum of 50% of total lumens (initial) within the
20°-40° zone (asymmetrical).
Minimum Luminaire Efficacy 40 lm/W
Allowable CCTs 2700 K, 3000 K, 3500 K, 4000 K, 4500  K and 5000 K

Bollards

Application Requirements
Zonal Lumen Density Requirement Luminaire shall deliver a < 15% of total lumens in the
90°-110° zone and emit no light over 110°..
Minimum Luminaire Efficacy 35 lm/W

Category B: Future Performance Targets

Category B is established as a future target for performance of SSL-based luminaires. Products cannot qualify under Category B until September 30, 2011. If technology improves faster than expected, and opening category B prior to completion of a three-year waiting period would be in the public interest, EPA will advance the date for allowing products to qualify under Category B.

Future Luminaire Efficacy Target:
Luminaire Efficacy ≥ 70 lm/W
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.

Standards and Documentation

Comment on NVLAP accreditation: Several new standards and test procedures for solid state lighting were completed in 2008, including IESNA LM-79-08, IESNA LM-80-08, and ANSI C78.377-2008. Procedures to accredit laboratories for these test methods are currently under development by the National Institute for Standards and Testing (NIST), supported by DOE funding. Because accreditation was not yet available at the time DOE originally published the ENERGY STAR criteria for SSL, DOE suspended the NVLAP accreditation requirement for a period of one year from the effective date. The NVLAP accreditation procedure is expected to be published early in 2009. DOE will continue to monitor the accreditation process and will consider the timing and availability of accredited laboratories in any future modifications to this requirement.

During the period of the NVLAP suspension, DOE will accept test results only from those laboratories on a pre-approved list compiled by DOE. The list of pre-approved laboratories, and the criteria used to select them, is posted on the ENERGY STAR website.

The NVLAP accreditation requirement will be suspended for a period of one year from the effective date of the criteria. All applicants seeking product qualification on the basis of tests conducted by non-NVLAP laboratories during the suspension period may only submit test results from laboratories pre-approved by DOE. The list of pre-approved laboratories will be posted on ENERGY STAR website.

Performance Characteristic Methods of Measurement Reference Standards Required Documentation
Luminaire Efficacy:
 Light Output
 Input Power
IESNA LM-79-08
ANSI C82.2-2002
Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production.

Provide a test report from a laboratory accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories.

Note: If the laboratory used for this test is accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories it must also have a scope of accreditation that includes the method of measurement reference standard for this performance characteristic.
Power Factor ANSI C82.77-2002 Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production.

Provide a test report from a laboratory accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories.

Note: If the laboratory used for this test is accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories it must also have a scope of accreditation that includes the method of measurement reference standard for this performance characteristic.
Lumen Maintenance (L70) IESNA LM-80-08 Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production. See the Qualification Process section for additional information on Lumen Maintenance testing.

Provide a test report from a laboratory accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories.

Note: If the laboratory used for this test is accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) 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 C78.377-2008
IESNA LM-79-08
CIE 13.3-1995
IESNA LM-58-94
Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production.

Provide a test report from a laboratory accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories.

Note: If the laboratory used for this test is accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories it must also have a scope of accreditation that includes the method of measurement reference standard for this performance characteristic.
Chromaticity and Correlated Color Temperature IESNA LM-79-08
CIE 15: 2004
IESNA LM-58-94
IESNA LM-16
Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production.

Provide a test report from a laboratory accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) signatories.

Note: If the laboratory used for this test is accredited by NVLAP or one of its MRA (The Canadian signatory is SCC) 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-79-08
CIE 15: 2004
IESNA LM-58-94
IESNA LM-16
Self Certification

Note: A laboratory test report must be submitted upon DOE request.
Maximum Measured Power Supply Case or Manufacturer Designated Temperature Measurement Point (TMPPS) Temperature ANSI/UL 153
UL 1598 or CAN/CSA C2.22 No.9-96 (in Canada)
Laboratory test results must be produced using the specific package(s)/module(s)/array(s) and power supply combination that will be used in production.
Noise Class A sound rating: Power supply 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
UL 1598 or CAN/CSA C2.22
No.9-96 (in Canada)
Provide the cover page of a safety test report or a general coverage statement from an OSHA NRTL laboratory.

Qualification Process

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 effect 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
Mounting allowed
Light Source allowed, w/ conditions
Power Supply 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 power supply variations are allowed, subject to conditions described below.

Products qualified under a single application may include LED package(s)/module(s)/array(s) and power supplies from more than one manufacturer, but the LED package(s)/module(s)/array(s) and power supplies must be substitutable components used to manufacture essentially identical luminaires and must be intended to produce the same quantity and quality of light. LED package(s)/module(s)/array(s) and power supply 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 package(s)/module(s)/array(s) substitution components must separately comply with the Option 1 (Component Performance) requirements in the Lumen Maintenance Qualification section below.

Lumen Maintenance Qualification

The LM-80 test procedure prescribes lumen maintenance testing for the LED package(s)/module(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 maintenance requirement by demonstrating an LM-80 tested light source (package(s)/module(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 package(s)/module(s)/array(s) used in the fixture has/have been tested according to LM-80, and the package(s)/module(s)/array(s) demonstrated 91.8% lumen maintenance at 6,000 hours (residential indoor) or 94.1% lumen maintenance at 6,000 hours (residential outdoor and all non-residential).
  2. The package(s)/module(s)/array(s) manufacturer prescribes/indicates a temperature measurement point (TMPLED) on the package(s)/module(s)/array(s).
  3. The package(s)/module(s)/array(s) TMPLED is accessible to allow temporary 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 Maintenance requirements if:

  1. The package(s)/module/array(s) temperature measured in situ, at the TMPLED is less than or equal to the temperature(s) specified in the LM-80 test report for the corresponding drive current or higher, within the manufacturer's specified operating current range
  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 maintenance requirement by submitting an LM-80 test report for the entire luminaire. The test report must demonstrate an L70 lumen maintenance of at least 91.8% at 6,000 hours (residential indoor) or 94.1% at 6,000 hours (residential outdoor and all non-residential) when operated in situ.

Power Supply Qualification

Power supplies integral with the package(s)/module(s)/array(s) or enclosed within the fixture shall undergo in-situ operation. The power supply case temperature or TMPPS shall be measured under steady-state conditions. The luminaire passes power supply requirements if the case temperature or TMPPS is less than or equal to the warranted temperature specified by the power supply manufacturer.

Qualification Procedures

Qualification procedures are described in detail in the following documents

  1. ENERGY STAR Manufacturer's Guide for Qualifying Solid-State Lighting Luminaires, September 2008, http://www.energystar.gov/ia/partners/manuf_res/downloads/
    ENERGYSTAR_Manufacturers_Guide_30Sept08.pdf
  2. Instructions for Partnering With ENERGY STAR as a Manufacturer of ENERGY STAR Qualified Products http://www.energystar.gov/ia/partners/manuf_res/downloads/
    ENERGYSTAR_Manufacturer_Partnership_Agreement.pdf

Quality Assurance (QA) Testing

Manufacturer Participants selling approved ENERGY STAR SSL luminaires will be required to participate in a quality assurance testing program, which will use independent, third-party, qualified testing facilities. This third-party testing program is necessary to provide an active system to verify the quality of ENERGY STAR qualified SSL Luminaire products in the marketplace. The information provided below is a general description and summary of the QA testing program. Detailed policies and procedures will be available in the ENERGY STAR SSL Quality Assurance Testing Program Manual.

  1. Overview: Qualified luminaires will be selected for QA testing both on a random basis and through a product nomination process. The manufacturer of each selected luminaire will be required to commission third-party testing of the specified luminaire by a manufacturer-independent qualified testing lab. The testing lab will procure three (3) samples of each luminaire through normal market channels. Each luminaire will be tested for:
    • Total Luminous Flux
    • Luminaire Efficacy
    • Correlated Color Temperature
    • Color Rendering Index
    • Steady State Package/Module/Array Temperature
    • Maximum Power Supply Case/TMPPS Temperature
    Results of Non-Compliance: Participants shall refer to EPA's stakeholder letter dated July 20, 2010 (See Appendix) for the product disqualification procedures and corrective action requirements.

A separate document will be developed by EPA 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 1.3 is February 1, 2009.

Future Specification Revisions

Due to the rapid pace of LED technology development, EPA anticipates regular revisions to these criteria. EPA 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.

Appendix

Definitions

  1. A2LA: American Association for Laboratory Accreditation.
  2. ALA: American Lighting Association.
  3. ANSI: American National Standards Institute.
  4. ASSIST: Alliance for Solid State Illumination Systems and Technologies.
  5. ASTM: American Society for Testing of Materials.
  6. Automatic daylight shutoff: A photocell device that automatically prevents operation of a luminaire during daylight hours.
  7. CIE: Commission Internationale de l'Eclairage (translated International Commission on Illumination).
  8. 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.
  9. Commercial luminaire: A luminaire using a Class A power supply.
  10. 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 blackbody loci, the correlated color temperature, measured in Kelvin (K), is used.
  11. CSA: Canadian Standards Association.
  12. IEC: International Electrotechnical Commission.
  13. IESNA: Illuminating Engineering Society of North America.
  14. Initial performance values: The photometric and electrical characteristics at the end of the 100-hour aging period in a 25°C test environment.
  15. LED array: An assembly of LED packages on a printed circuit board or substrate, possibly with optical elements and additional thermal, mechanical, and electrical interfaces. The device does not contain a power source, does not include an ANSI standardized base, and is not connected directly to the branch circuit.
  16. LED driver: A power source with integral LED control circuitry designed to meet the specific requirements of a LED lamp or a LED array.
  17. LED lumen depreciation (L70): The length of time declared by the manufacturer at which 70% lumen maintenance of any large sample of LEDs is reached.
  18. LED luminaire: A complete LED lighting unit consisting of a light source and driver together with parts to distribute light, to position and protect the light source, and to connect the light source to a branch circuit. The light source itself may be an LED array, an LED module, or an LED lamp. The LED luminaire is intended to connect directly to a branch circuit.
  19. LED module: A component part of an LED light source that includes one or more LEDs that are connected to the load side of LED power source or LED driver. Electrical, electronic, optical, and mechanical components may also be part of an LED module. The LED module does not contain a power source.
  20. LED package: An assembly of one or more LED die that contains wire bond connections, possibly with an optical element and thermal, mechanical, and electrical interfaces. The device does not include a power source, does not include an ANSI standardized base, and is not connected directly to the branch circuit.
  21. Luminaire efficacy: The luminous flux of the luminaire divided by the input power.
  22. 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.
  23. 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 (è) specified in Table 1 and 2 of ANSI C78.376-2004, and a defined variance of four steps.
  24. Manufacturer designated Temperature Measurement Point (TMP): The temperature measurement point designated by the manufacturer correlating to photometric, life or warranty values
  25. Minimum operating temperature: The minimum temperature at which the power supply will reliably operate.
  26. MRA: Mutual Recognition Arrangement.
  27. NRCan: Natural Resources Canada
  28. NVLAP: National Voluntary Laboratory Accreditation Program.
  29. Portable luminaire: A luminaire whose power supply connection is made by means of a cord with or without a plug.
  30. 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).
  31. 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. The luminaire encompasses the fixture housing, reflector, trim ring, and light source. For purposes of the ENERGY STAR SSL Luminaire 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.
  32. Residential luminaire: A luminaire using a Class B power supply.
  33. SCC: Standard Council of Canada (NVLAP MRA Signatory)
  34. UL: Underwriters Laboratories

Reference Standards and Test Procedures

Standards and Test Procedures in ITALICS are currently under development.

Reference Standards and Test Procedures
Organization Identifier Description
ANSI ANSI C82.XXX Electronic Drivers for LED Devices, arrays, or systems (In development).
ANSI ANSI C78.377-2008 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-58-94 Color Rendering Index and Correlated Color Temperature
IESNA IESNA LM-79-08 Approved Method: Electrical and Photometric Testing of Solid-State Lighting Products
IESNA IESNA LM-80-08 IES Approved Method for Measuring Lumen Maintenance of LED Light Sources
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

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 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 C78.377-2008 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
  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
Tolerance quadrangle 0.4813 0.4319 0.4562 0.4260 0.4299 0.4165 0.4006 0.4044
0.4562 0.4260 0.4299 0.4165 0.3996 0.4015 0.3736 0.3874
0.4373 0.3893 0.4147 0.3814 0.3889 0.3690 0.3670 0.3578
0.4593 0.3944 0.4373 0.3893 0.4147 0.3814 0.3898 0.3716
  4500 K 5000 K 5700 K 6500 K
  x y x y x y x y
Center point 0.3611 0.3658 0.3447 0.3553 0.3287 0.3417 0.3123 0.3282
Tolerance quadrangle 0.3736 0.3874 0.3551 0.3760 0.3376 0.3616 0.3205 0.3481
0.3548 0.3736 0.3376 0.3616 0.3207 0.3462 0.3028 0.3304
0.3512 0.3465 0.3366 0.3369 0.3222 0.3243 0.3068 0.3113
0.3670 0.3578 0.3515 0.3487 0.3366 0.3369 0.3221 0.3261

Figure 1.CIE 1931 Chromaticity Diagram Showing the Eight Nominal CCT Quadrangles

Figure 1. CIE 1931 Chromaticity Diagram Showing the Eight Nominal CCT Quadrangles



EPA'S Product Disqualification Procedure – JULY 20, 2010

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
WASHINGTON, D.C. 20460

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF AIR AND
RADIATION

July 20, 2010

Dear ENERGY STAR Lighting Manufacturing Partner:

As you may know, the ENERGY STAR program is undergoing significant programmatic changes. Enhanced testing and verification requirements currently under development will bolster program integrity, and thereby ensure the continued success of ENERGY STAR, its value to consumers who have come to rely upon its logo to distinguish energy-efficient products, and its value in the marketplace for manufacturers and retailers. This letter clarifies product disqualification procedures for lighting products.

EPA currently maintains two ENERGY STAR lighting verification testing programs. For compact fluorescent lamps ("CFLs"), the CFL Third Party Testing and Verification Program verifies the performance of qualified CFLs by testing off-the-shelf products. For residential light fixtures, the Quality Assurance Testing Program ("QA4") verifies the performance of off-the-shelf qualified light fixtures. The development of similar verification testing programs is cited in the Solid State Lighting (v1.1) and Integral LED Lamp (v1.1) specifications. As detailed in the ENERGY STAR Qualified Lighting Integration Proposal, it is EPA's intention to consolidate the aforementioned programs into one Lighting Verification Testing Program.

The broad programmatic changes being developed for ENERGY STAR necessitate specific changes to the ENERGY STAR lighting program to ensure consistency throughout ENERGY STAR, and equity in the market place. The policies and procedures identified in this letter pertain to the current lighting verification testing programs as well as to any future qualifying or verification programs, including the consolidated program. Product disqualification procedures and corrective action requirements for lighting products will now include the following elements:

  • The partner must immediately stop shipment or delivery worldwide of the model with the ENERGY STAR mark until the label is removed or covered.
  • The partner must inform everyone in the distribution chain for this model, including but not limited to, all on-line and in-store retailers, that the model does not qualify for ENERGY STAR.
  • The partner must remove or cover up the ENERGY STAR mark on product units within its control and take necessary steps, as determined by EPA, to ensure the logo is removed or covered by those entities in the distribution chain that now have control of any product units.
  • The partner must remove or cover up the ENERGY STAR mark on collateral materials such as product packaging, product spec sheets, web pages, and other marketing materials associated with the product.

EPA reserves the right to terminate a partnership for a number of reasons; however, a pattern of product disqualification will automatically trigger consideration of partnership termination. In addition, failure to participate in required testing will result in partnership termination with a 12-month moratorium before a new partnership application may be approved. In all instances, a lighting manufacturer is ineligible for ENERGY STAR partnership if it does not sell qualified products in North America.

To the extent that the policies and procedures described here differ from what is stated in other ENERGY STAR lighting product procedures and specifications, such as, e.g., the Quality Assurance Testing Guidelines and Procedures Manual (Version 2.0, April 2007), and the ENERGY STAR Program Requirements and Criteria for CFLs (Version 4.0, March 2008), the statements made in this letter supersede those. For questions regarding this letter, please contact Leslie Jones at (202) 343-9305 or jones.lesliea@epa.gov.

Thank you for your continued participation with and support of the ENERGY STAR program.

Sincerely,

Ann Bailey

Ann Bailey, Chief
ENERGY STAR Labeling Branch
US Environmental Protection Agency