Uninterruptible Power Supplies

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Uninterruptible power supplies or UPSs are battery chargers consisting of a combination of convertors, switches and energy storage devices (such as batteries), constituting a power system for maintaining continuity of load power in case of input power failure. 10 CFR 430 Appendix Y 2.27. This webpage only includes information and rulemaking activity about the subset of battery chargers which are UPSs. Please see the battery charger website for information regarding other battery chargers.

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

Final Rule	Federal Register, 85FR1447 (January 10, 2020)
Notice of Proposed Rulemaking	Federal Register, 81FR52196 (August 5, 2016) Technical Support Document

The uninterruptible power supply conservation standard rulemaking docket EERE-2016-BT-STD-0022 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.

Public Meeting Information:

There is no public meeting scheduled at this time.

Submitting Public Comments

The comment period is closed.

Test Procedure

Notice of Proposed Rulemaking	Federal Register, 88FR790 (January 5, 2023)
Request for Information	Federal Register, 87FR5742 (February 2, 2022)

The rulemaking docket EERE-2022-BT-TP-0005 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking.

Public Meeting Information

There is no public meeting scheduled at this time.

Submitting Public Comments

Current Standard

UPSs manufactured and distributed in commerce, as defined by 10 CFR 430 Appendix Y Section 2.27, must meet the energy conservation standards specified in the Code of Federal Regulations at 10 CFR 430.32(z)(3).

Current Test Procedure

Any representation regarding the energy consumption of UPSs must be based on the test procedure methods specified at 10 CFR 430, Subpart B, Appendix Y.

Helpful Links

Waivers

For information on current test procedure waivers, see DOE’s Waivers webpage.
For information about obtaining test procedure waivers, see 10 CFR 431.401.

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.

Contact information

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

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