G/TBT/N/USA/508/Rev.1/Add.1  
 
5 January 2024  
(24-0125)  Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  4 January 2024, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Energy Conservation Program: Energy Conservation Standards for Consumer Water Heaters  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[ ] Notified measure published - date:  
[ ] Notified measure enters into force - date:  
[ ] Text of final measure available from1:  
[ ] Notified measure withdrawn or revoked - date:  
Relevant symbol if measure re -notified:   
[X] Content or scope of notified measure changed  and text available from1:  
88 Federal Register (FR) 89330, Title 10 Code of Federal Regulations (CFR) Part 430:  
https://www.govinfo.gov/content/pkg/FR -2023-12-27/html/2023 -28556.htm  
https://www.govinfo.gov/content/pkg/FR -2023-12-27/pdf/2023 -28556.pdf  
https://members.wto.org/crnattachments/2024/TBT/USA/modification/24_00109_00_e
.pdf 
New deadline for comments (if applicable):  10 January 2024  
[ ] Interpretive guidance issued and text available from1:  
[ ] Other:  
 
Description:  The Energy Policy and Conservation Act, as amended (" EPCA"), prescribes energy 
conservation standards for various consumer products and certain commercial and industrial 
equipment, inc luding consumer water heaters . On 28 July 2023, the U.S. Department of Energy 
("DOE" or "the Department") proposed amended energy conservation standards for certain 
consumer water heaters, including circulating water heaters, along with supporting definitions. In 
this supplemental notice of proposed rulemaking ("SNOPR") DOE proposes to amend the definition 
for circulating water heaters and clarify that circulating water heaters would be subject to the 
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/508/Rev.1/Add.1  
 
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  proposed energy conservation standards for storage -type water heaters. DOE requests comment on 
these proposed definitions.  
Title 10 Code of Federal Regulations (CFR) Part 430  
This supplemental notice of proposed rulemaking; request for comment and the notice of proposed 
rulemaking; announce ment of public meeting notified as G/TBT/N/USA/508/Rev.1  are identified by 
Docket Number EERE -2017-BT-STD-0019. The Docket Folder  is available from Regulations.gov at 
https://www.regulations.gov/docket/EERE -2017-BT-STD-0019/document  and provides access to 
primary and s upporting documents as well as comments received. Documents are also accessible 
from Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders are 
asked t o submit comments to the USA TBT Enquiry Point  by or before 4pm Eastern Time  on 10 
January 2024. Comments received by the USA TBT Enquiry Point from WTO Members and their 
stakeholders will be shared with DOE and will also b e submitted to the Docket  on Regulations.gov if 
received within the comment period.  
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