Lighting

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.