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System Overview

Lighting accounts for nearly 20% of the total electricity costs of commercial buildings in the United States.1 Effective lighting systems involve the integration of lighting technologies with the building as a whole – across the lifecycle of a building. Green technologies and design strategies are more conducive to energy and financial savings, and improved human health, productivity, and satisfaction.

Cost Savings

U.S. buildings spend more than $37 billion annually on electricity for lighting. Significant savings are possible through more efficient lamps, lighting controls, and better use of daylighting.

Source: Whole Bulding Design Guide

Lighting choices in offices affect:

  • Comfort and mood of workers and visitors
  • Ambiance and visual appeal of the space
  • Up-front costs of lighting equipment
  • Utility and maintenance costs
  • Associated greenhouse gas emissions
  • Space usability and worker productivity
  • Safety and security
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Lighting Components

  • Facility-Wide
  • Interior
  • Lobby

Explore Upgrades

Looking for Lighting project ideas?

Use the Cost-Effective Upgrades tool to identify potential upgrades and energy conservation measures for your facility.


1 Source: DOE, 2011 Building Energy Data Book (available from data.gov)