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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.


Category: Lighting/Daylighting


Perspectives on Lighting Retrofits

Business Energy, June 2015, by Carol Brzozowski.{}

"Improved efficiency and safety, lowered costs and maintenance."

Case Study: From Darkness to Light: Engaging Employees to Save

High Performing Buildings, Summer 2015, by Scott Bowman and Carey Nagle.

"Moving from a cave-like warehouse to an environment filled with daylight represented a dramatic shift for employees of the Iowa Utilities Board and Office of Consumer Advocate (IUB/OCA). Employees jumped on board with the energy-efficiency efforts, giving up comforts such as individual coffee makers, and opening and closing windows as needed to operate the natural ventilation system. An integrated design that maximizes passive strategies provides significant energy savings, but employee cooperation, especially involving plug load reduction, has proven key to reaching and maintaining performance goals. "

The Business of Lighting [LED Decision Making]

Architectural SSL, June 2015, by Vilma Barr. -- scroll to page 23 of the digital article.

"What drives the decision to adopt LED? Is it pure energy savings? Is it cost? Is it novelty? We asked a number of people what their or their client's thinking was in context of places where LED has been embraced. The answers are quite surprising."

LED Renovations and Retrofits: Evaluating Codes and Costs

Consulting-Specifying Engineer, May 2015, by Michael J. Mar and Robbie Chung.

"Clients are asking lighting designers to help them save on energy costs, and replacing fluorescent, HID, or other lights with LEDs is in high demand. Here’s a look at the codes and guidelines that define LED use, including ASHRAE Standard 90.1, California Title 24, Dept. of Energy, and IECC."

High School LEEDership

Engineered Systems, May 2015, by Jeffrey Seewald and Corinne Wichser.

"Spurred by student initiative, this Minnesota magnet school has become the host for a unique collaboration focused on auditing and improving its mechanical and environmental performance. See how the partnership has gotten off to a solid start in conducting what is far from your average extra credit assignment."

LED vs. Induction Lighting: Which Illumination Solution is Right for Your Facility?

Buildings, Apr. 2015, by Janelle Penny.

"Time for a lighting upgrade? You may be torn between LED and induction fixtures. Both offer low maintenance needs, are compatible with a variety of applications, and can secure energy savings. Familiarize yourself with the basics of these technologies to uncover which one will bring your project to light."

Uncovering the Cost Benefits of a Good Lighting Circuit Design

EC&M, Apr. 2015, by Aaron Hesse. (Free registration required to view full-text)

"Iterative voltage drop calculations are some of the most tedious and time-consuming components of an electrical design process. This is especially true for large lighting installations, such as those found in parks and parking lots as well as roads and highways. As a result, it is common for designers to oversimplify voltage drop calculations in a lighting design. With the lighting industry trending toward LED use, it is becoming increasingly common to string large quantities of luminaires on a single circuit due to the decreased load per luminaire. Now more than ever, detailed voltage drop calculations can avoid over engineering of lighting systems and substantially decrease project costs."

LEDs Still a Mystery to Many Contractors

EC&M, Apr. 2015, by Tom Zind. (Free registration required to view full-text)

"As LED products continue to flood the marketplace, electrical contractors must balance the appeal of online buying expedience with the need to fully grasp a technology still shrouded in uncertainty. Held up as one of the proven, readily deployable technologies that could put a big dent in global energy consumption over time, LED lighting products are drawing the interest of ever more electrical contractors looking for avenues into the lucrative and growing energy-efficiency market."

Integration: Lighting and HVAC systems

Consulting-Specifying Engineer, April 2015, by Chris Rush.

"By considering the first principles of radiative energy, engineers can determine how to balance daylight, electric light, and HVAC systems, particularly considering various options for daylight control and the advent of LEDs."

This Vertical Farm Will Provide Wyoming Residents with 100,000 lbs of Fresh Produce Each Year

Inhabit, Mar. 9, 2015, by Charley Cameron.

"A 30 foot by 150 foot sliver of land located next to a parking lot in Jackson, Wyoming is set to be transformed into a vertical farm that will produce up to 100,000 lbs of produce each year. Using 90 percent less water than conventional farming, and absolutely no pesticides, the three-story Vertical Harvest greenhouse will enable the cold, land-locked city to provide locally-grown produce for its residents all year round."


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