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Artificial lighting consumes almost 15% of a household's electricity use. Use of new lighting technologies can reduce lighting energy use in homes by 50%–75%.

You can reduce lighting energy use by selecting lighting and sources that use energy more efficiently, and by installing lighting controls.

Here you'll find the following information:

  • Lighting principles and terms

    Lighting performance and design factors to consider for energy efficiency.

  • Lighting design

    Basic indoor and outdoor lighting design principles and methods for energy efficiency.

  • Types of Lighting

    Lamp types to consider and compare for energy efficiency.

  • Lighting controls

    Controls to automatically turn lighting on and off as needed.

  • Lamp and ballast replacement

    Replacing lamps and/or ballasts in light fixtures to improve energy efficiency.

  • Lighting maintenance

    Basic maintenance to help keep your lights operating at their optimum energy efficiency.

  • When to turn off your lights

    Energy-saving advice for when to turn off incandescent and fluorescent lights.

U.S. Department of Energy
1000 Independence Avenue, SW
Washington, DC 20585
www.eere.energy.gov www.energy.gov