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High-Intensity Discharge Lamps

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There are currently no energy conservation standards for high-intensity discharge (HID) lamps. HID lamps are electric discharge lamps and include high-pressure sodium, mercury vapor, and metal halide lamps. HID lamps require an HID ballast to start and regulate electric current flow through the lamp. HID lamps are used in street and roadway lighting, area lighting such as for parking lots and plazas, industrial and commercial building interior lighting, security lighting for commercial, industrial, and residential spaces, and landscape lighting.

The Standards and Test Procedures for this product are related to Rulemaking for High Intensity Discharge Lamps Energy Conservation Standard and Rulemaking for High Intensity Discharge Lamps Test Procedures.


Recent Updates | Standards | Test Procedures | Waiver, Exception, and Exemption Information | Statutory Authority | Historical Information | Contact Information


Recent Updates

DOE published a notice of public meeting and availability of interim technical support document regarding energy conservation standards for high-intensity discharge lamps. 78 FR 13566 (February 28, 2013). For more information, please see the rulemaking webpage.


DOE published a notice of proposed rulemaking for test procedures for high-intensity discharge lamps. 76 FR 77914 (Dec. 15, 2011). For more information, please see the rulemaking webpage


Standards for High-Intensity Discharge Lamps

There are currently no standards for HID lamps.

Test Procedure for High-Intensity Discharge Lamps

There are currently no test procedures for HID lamps.

Waivers, Exceptions, and Exemptions

Because there are no energy conservation standards or test procedures for high-intensity discharge lamps, the provisions of 10 CFR Part 430 and Part 1003 that apply to waivers, exceptions, state exemptions to Federal pre-emption, and small business exemptions are not relevant.

Statutory Authority

The current rulemaking for energy conservation standards for high-intensity discharge lamps is mandated by Part A-1, the "Certain Industrial Equipment" of Title III of the Energy Policy and Conservation Act, as amended. (42 U.S.C. 6311-6317) This equipment is "covered equipment” under Part A-1. (42 U.S.C. 6311(2)(B)(vii)))

Historical Information

In July 2010, DOE issued a final determination tentatively concluding that energy conservation standards for certain HID lamps are technologically feasible and economically justified and would likely result in significant energy savings. 76 FR 77914 (July 1, 2010). This final determination led to the current rulemakings to establish test procedures and potential energy conservation standards for this equipment.

Helpful Links and Contact Information

Helpful Links

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

Contact information

For more information related to the regulation of this product, please email:


high_intensity_discharge_lamps@ee.doe.gov