Luminaires Specification Version 1.0

ENERGY STAR TM-21 Calculator – Updated February 9, 2016

The Version 1.0 ENERGY STAR Luminaires specification was finalized on February 16, 2011, and was subsequently revised to version 1.1 which took effect on April 1, 2012. The Luminaires V1.2 specification replaced the Residential Light Fixtures (RLF, V4.2) and Solid State Lighting Luminaires (SSL, V1.3) specifications. Materials related to this revision process are provided below. Partners and other interested parties with questions can contact Taylor Jantz-Sell (EPA) at or

December 30, 2014 - TM-21 Calculators

The ENERGY STAR TM-21 Calculators below are used to support lumen maintenance requirements, and have been updated to reflect the recently published TM-21-11 Addendum A. The majority of products should use the standard TM-21 Calculator, and products that utilize LEDs with uneven LM-80-08 lumen maintenance test intervals can use the TM-21 Calculator for Uneven Test Intervals.

ENERGY STAR TM-21 Calculator (EXCEL, 110 KB)

December 21, 2012 – ENERGY STAR Luminaires V1.2
November 30, 2012 - ENERGY STAR Luminaires V1.2 Letter
Luminaires V1.2 Letter Comments Received

Comments were solicited only for proposed changes in the V1.2 letter, all other comments on the specification will be considered for future revisions. Comment period closed December 14, 2012

Biglight Co., Ltd. (PDF, 320 KB)
Cree (PDF, 92 KB)
Kichler (PDF, 218 KB)
MaxLite (PDF, 185 KB)
Seoul Semiconductor (PDF, 25 KB)
September 9, 2011 - ENERGY STAR Final Lumen Maintenance Guidance
July 5, 2011 - Final Luminaires V1.1 Specification
June 24, 2011 - ENERGY STAR Lumen Maintenance Guidance Draft
March 9, 2011 - Luminaires Specification Webinar
February 16, 2011 - Final Version 1.0 Specification
December 20, 2011 - Final Draft Version 1.0 Specification

EPA welcomes your feedback on this document. Comments on the Final Draft are due via email to no later than Friday, January 14, 2011.

Final Draft Comments Received (comment period closed January 14, 2011)

Bridgelux Comments (PDF, 21 KB)
David Chan Comments (PDF, 25 KB)
Gail Clyma Comments (PDF, 18 KB)
GE Comments (PDF, 236 KB)
HeathCo, LLC Comments (PDF, 165 KB)
MaxLite Comments (PDF, 53 KB)
Naulight Comments (PDF, 52 KB)
Neo-Neon Comments (PDF, 340 KB)
NEMA Comments (PDF, 149 KB)
Ottlite Comments (PDF, 31 KB)
Permlight Comments (PDF, 78 KB)
Solatube Comments (PDF, 80 KB)
Steve Hayes Comments (PDF, 11 KB)
October 1, 2010 - Draft 2 Version 1.0 Specification

EPA welcomes your feedback on this document. Comments on Draft 2 are due via email to no later than Friday, October 29, 2010.

Second Draft Comments Received (comment period closed October 29, 2010)

Energizer Comments (PDF, 280 KB)
Indak Group Comments (PDF, 18 KB)
ITL Comments (PDF, 48 KB)
Kichler Comments 1 (PDF, 33 KB)
Kichler Comments 2 (PDF, 28 KB)
Lumenique Comments (PDF, 160 KB)
Lynk Labs Comments (PDF, 1.9 MB)
MaxLite Comments (PDF, 83 KB)
NEMA Comments (PDF, 185 KB)
Pure Lighting Comments (PDF, 87 KB)
Samsung Comments (PDF, 44 KB)
Steve Hayes Comments (PDF, 55 KB)
May 10, 2010 - Draft 1 Version 1.0 Specification

EPA welcomes your feedback on this document. Comments on Draft 1 are due via email to no later than Monday, June 21, 2010.

First Draft Comments Received (comment period closed June 21, 2010)
Acuity Brands Comments (PDF, 36 KB)
Biglight Co. Comments (PDF, 139 KB)
Bridgelux Comments (PDF, 32 KB)
Charm-Lite Comments (PDF, 27 KB)
CREE Comments (PDF, 143 KB)
Gail Clyma Comments (PDF, 27 KB)
Green Ray Comments (PDF, 18 KB)
HeathCo Comments (PDF, 125 KB)
Howard Hanson Comments (PDF, 19 KB)
Infinilux Comments (PDF, 19 KB)
Inter-Global Comments (PDF, 20 KB)
Intertek Comments (PDF, 92 KB)
Joseph Downey Comments (PDF, 60 KB)
Kichler Comments (PDF, 27 KB)
Kichler Comments 2 (PDF, 40 KB)
LEDdynamics Comments (PDF, 133 KB)
Lowes Comments (PDF, 55 KB)
LTI Optics Comments (PDF, 21 KB)
Lumenique Comments (PDF, 128 KB)
Lutron Comments (PDF, 100 KB)
Marvell Comments (PDF, 197 KB)
MaxLite Comments (PDF, 106 KB)
Mike Hanson Comments (PDF, 26 KB)
NEMA Comments (PDF, 160 KB)
Nichia Comments (PDF, 20 KB)
Permlight Comments (PDF, 113 KB)
Xicato Comments (PDF, 109 KB)