Craig DiLouie

The International Commission on Illumination (CIE), which created and maintains the color rendering index (CRI) standard, recently published a position statement on CRI, its limitations, and whether and how to replace it. The complete statement is available here. Notable excerpts: On the limitations of CIE: “With the rapid uptake of LED lighting, which has greater [...]

The U.S. Department of Energy reached a significant milestone in bringing the building community together by releasing a common definition of a zero energy building, or what is also referred to as a “net zero energy” or “zero net energy” building. After leading an extensive stakeholder engagement process over the past year and a half, [...]

In late 2014, the U.S. Department of Energy’s (DOE) Municipal Solid-State Street Lighting Consortium (MSSLC) published the results of a survey of entities across the United States that operate public street and area lighting.
 The survey was conducted in the latter half of 2013 to gain a better understanding of national energy consumption related to [...]

MayaLED by Luminis presents a family of site and area luminaires ranging from 1,000 to 13,000 lumens, with a new bollard complementing the existing line of wall-mounted and post-top luminaires. MayaLED offers a choice of precision optics, with IES Type II, IV and V distribution available. 4000K CCT and 80 CRI standard, with other CCTs [...]

Republication of Postings from the U.S. Department of Energy (DOE) Solid-State Lighting Program by Jim Brodrick, SSL Program Manager, U.S. Department of Energy Central to any LED lighting product is the LED package, because that’s where the light is generated. Initially, the goal was to develop one type of LED package that would be suitable [...]

Construction growth is not only predicted to rise this year to 6%, but is also expected to climb to 7% in 2016, reaching $1.09 billion, the highest total since 2008, unadjusted for inflation, according to the Q315 FMI Construction Outlook. The Q3 FMI Construction Outlook forecasts growth for 17 sectors, across residential, non-residential and non-building [...]

The U.S. Department of Energy’s CALiPER program has released Report 23: Photometric Testing of White-Tunable LED Luminaires, which is the first in a planned series of investigations on color-tunable LED luminaires. The main goal of the new study was to understand the amount of testing required to characterize a white-tunable LED lighting product. In this [...]

The Illuminating Engineering Society has published Sports and Recreational Area Lighting (IES RP-6-15), the most recent addition to IES Recommended Practices series. The purpose of IES RP-6-15 is to provide the reader with recommendations to aid in the design of sports lighting systems. Popular sports such as baseball, tennis, basketball and football as well as [...]

LaMar Lighting Company’s R1L/R2L Series of premium recessed LED lensed luminaires deliver volumetric lighting and good glare control. Volumetric optical distribution and elimination of LED hot spots is achieved via a custom-ribbed frosted acrylic diffuser. Aluminum reflectors are finished in a custom white matte finish with a 91% reflectivity for a clean, low-glare appearance. The [...]