Lithonia - LED and Lumen Depreciation

 Proper use of LED includes application of a light loss factor (LLF) like any other source.  In most cases, LED LLF is 0.70 as defined by the industry on the whole.  Lithonia (and some others) have LED/driver combinations that produce better lumen maintenance.

lithonia.acuitybrands.com/Files/RTLED_Files/RTLED_WPaper_Efficiencey.pdf