External Power Supplies

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As defined in the Code of Federal Regulations (CFR), “external power supply” means an external power supply circuit that is used to convert household electric current into DC current or lower-voltage AC current to operate a consumer product. 10 CFR 430.2 Manufacturers have been required to comply with the U.S. Department of Energy (DOE) energy conservation standards for external power supplies since 2007.

Current Standard | Current Test Procedure | Ongoing Rulemaking for Standards | Ongoing Rulemaking for Test Procedure | Helpful Links


Recent and Ongoing Activities

For the latest information on the planned timing of future DOE regulatory milestones, see the current Office of Management and Budget Unified Agenda of Regulatory and Deregulatory Actions. All planned dates are preliminary and subject to change.

Standards

DOE has published a Federal Register notice of final rule pertaining to service and spare parts for external power supplies. 81FR30157 (May 16, 2016).  This rule codifies the provisions of the EPS Service Parts Act of 2014 and establishes related reporting requirements. 

 


DOE recently undertook a rulemaking that concluded with a final rule in February 2014 to established new and amended energy conservation standards for external power supplies.  The external power supply conservation standard rulemaking docket EERE-2008-BT-STD-0005 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.

Notice of Proposed Rulemaking

Final Rule

 

Public Meeting Information:

There is no public meeting scheduled at this time.

Submitting Public Comments

The comment period is closed.

Test Procedure

DOE recently undertook a rulemaking that concluded with a final rule in August 2015 to consider revisions to the external power supplies test procedure. 

The external power supplies test procedure rulemaking docket EERE-2014-BT-TP-0043 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.

 

Notice of Proposed Rulemaking

Final Rule

Service and Spare Parts for External Power Supplies

DOE is currently undertaking a rulemaking that began in November 2015 to codify provisions of the EPS Service Parts Act of 2014 that exempt from energy conservation standards certain EPSs made available by a manufacturer as a service or spare part.  The rulemaking docket EERE-2015-BT-CRT-0013 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.

 

Notice of Proposed Rulemaking

 

Final Rule

Public Meeting Information

There is no public meeting scheduled at this time.

Submitting Public Comments

The comment period is closed.


Current Standard

External power supplies manufactured and distributed in commerce, as defined by 42 U.S.C. 6291(16), must meet the energy conservation standards specified in the Code of Federal Regulations at 10 CFR 430.32(w).


Current Test Procedure

To determine that external power supplies that are currently manufactured or distributed into commerce are in compliance with DOE standards, manufacturers must follow the test procedure methods specified at 10 CFR 430, Subpart B, Appendix Z.


Helpful Links

Compliance

DOE has established regulations on certification, compliance, and enforcement in the CFR at 10 CFR Part 429.  These regulations cover statistical sampling plans, certified ratings, certification reports, record retention, and enforcement.  More information on these regulations is available here.

Waivers

For information on current test procedure waivers, see DOE’s Waivers webpage.

For information about obtaining test procedure waivers, see 10 CFR 430.27.

Exceptions

DOE's Office of Hearings and Appeals has authorized exception relief for certain external power supplies.. For information on these exception relief cases, see the Office of Hearing and Appeals listing of Product Efficiency Cases.

For information about obtaining exception relief, see 10 CFR part 1003.

Guidance and Frequently Asked Questions

For information on further guidance and answers to Frequently Asked Questions on all covered products, see DOE’s Further Guidance database.

State Exemptions to Federal Pre-emption

DOE has not exempted any state from this energy conservation standard. States may petition DOE to exempt a state regulation from preemption by the Federal energy conservation standard. States may also petition DOE to withdraw such exemptions. For details, see 10 CFR part 430, subpart D .

Small Business Exemptions

Any manufacturer of a covered product with annual gross revenues that do not exceed $8,000,000 from all its operations and meets certain other conditions may apply for an exemption to the energy conservation standard. For details, see 10 CFR part 430, subpart E .

ENERGY STAR®

Find tips and guidance for making your home, workplace, or vehicle more energy efficient visit EnergySavers.gov.

DOE supports the testing and verification of ENERGY STAR® products in close collaboration with the Environmental Protection Agency.

Contact information

For more information related to this product, please email:
ApplianceStandardsQuestions@ee.doe.gov

 


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