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DOE/EE RIN: 1904-AE12 Publication ID: Spring 2023 
Title: Energy Conservation Standards for Distribution Transformers 

The U.S. Department of Energy (DOE) has initiated a rulemaking to consider whether to amend energy conservation standards for distribution transformers and determine whether changes to market conditions for steel and liquid immersed distribution transformers, particularly the supply chain for amorphous steel, justify amending the energy conservation standards for transformers that DOE adopted in April 2013. DOE has published a notice of proposed rulemaking proposing amended energy conservation standards for distribution transformers. The proposed amended standards for certain transformers are primarily achievable by using amorphous steel. DOE has tentatively determined that the proposed emended standards, which are more stringent than those currently in place, would result in a significant amount of energy savings and would be technologically feasible and economically justified.

Agency: Department of Energy(DOE)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: Yes  Unfunded Mandates: No 
CFR Citation: 10 CFR 431.191 to 196   
Legal Authority: 42 U.S.C. 6295 (m)(1)    42 U.S.C. 6295(y)    42 U.S.C. 6316(a)    42 U.S.C. 6317(a)   
Legal Deadline:
Action Source Description Date
Final  Statutory  Subject to 6-year-look-back in 42 U.S.C. 6295(m)(1); 42 U.S.C. 6316(a)   
Action Date FR Cite
Request for Information (RFI)  06/18/2019  84 FR 28239   
RFI Comment Period End  08/02/2019 
Notice of Availability of Preliminary Technical Support Document  08/27/2021  86 FR 48058   
Preliminary Analysis Reopened  11/16/2021  86 FR 63318   
Preliminary Technical Support Document Comment End   12/10/2021 
NPRM  01/11/2023  88 FR 1722   
NPRM Comment Period Extended  02/22/2023  88 FR 10856   
NPRM Comment Period Extended End  03/27/2023 
Final Action  05/00/2024 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Undetermined 
Federalism: No 
Included in the Regulatory Plan: No 
International Impacts: This regulatory action will be likely to have international trade and investment effects, or otherwise be of international interest.
RIN Information URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Jeremy Dommu
Building Technologies Office, EE-2J
Department of Energy
1000 Independence Avenue SW,
Washington, DC 20585
Phone:202 586-9870