The Illuminating Engineering Society of North America (IES) released a new publication titled Recommended Practice for the Economic Analysis of Lighting. Officially known as RP-31-14, the report seeks ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Illuminating Engineering Society (IES) and AVIXA have released their new standard Recommended ...

LEDVANCE Honored in 2025 IES Progress Report Opti-Select Line Extension Part of LEDVANCE’s IES-recognized triple win, Opti-Select expands versatility across indoor and outdoor applications with ...

The CU IES Chapter is a community committed to inspiring those interested in lighting by providing tools for career success and building a shared knowledge base, while promoting engagement with ...

Two 2025 graduates of the Master of Science in Lighting program at RPI’s Lighting Research Center (LRC) were recently honored ...

The Illuminating Engineering Society (IES) recently introduced ANSI/IES RP-45-21 Recommended Practice: Horticultural Lighting. This standard describes the differences between architectural and ...

Proposed changes regarding lighting and climate zones to the energy standard published by ASHRAE and the Illuminating Engineering Society (IES) are open for public review. Comments about 23 addenda to ...

Luminous intensity data is critical for lighting design, providing insight to the effect and appearance of lighting in a given environment. Captured in photometric data files, luminous intensity data ...

Physics of light -- Light and vision -- Standards and nomenclature -- Measurement of light and other radiant energy -- Color -- Light control and luminaire design -- Daylighting -- Light sources -- ...