Interior lighting | U.S. Green Building Council
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LEED BD+C: New Construction | v4 - LEED v4

Interior lighting

Possible 2 points

Submittal Tips (click to expand)
Keep these important GBCI reviewer tips in mind when preparing your submittal documentation and avoid some of the common issues reviewers see during the LEED review process.

EQ Credit: Interior Lighting

Option 1: Lighting Control
  • Ensure that the quantity of individual workstations and multi-occupant spaces are consistent among all submittals, in particular, EQ Thermal Comfort.
  • Be sure that the individual occupant spaces and shared multi-occupant space are appropriately classified. For example, open office spaces must count the workstations as individual occupant spaces.
Option 2: Lighting Quality
  • Make sure you are using the latest Interior Lighting Calculator, available at
  • Remember that a minimum of four of the eight strategies need to be demonstrated, in order to be awarded the credit.
  • Make sure the regularly occupied spaces reported in this credit are reported consistently with those reported in other credits.
  • When considering Option 2a, remember that luminance of less than 2,500 cd/m2 is only required between 45 and 90 degrees, for all regularly occupied spaces.
  • For Options 2b and 2c, remember that cut-sheets for all lamp types within regularly occupied spaces must note the CRI values and rated life in hours.
  • For Option 2d, ensure that the total connected lighting load shown within this credit has been coordinated with the total connected lighting load shown within EAp Minimum Energy Performance.
  • Remember that 10% of the regularly occupied floor area may be excluded for Option 2e.
Option 1 Calculator Walkthrough

Interior Lighting: Documentation Tips

Interior Lighting and Energy Savings