Analysis of daylighting control systems in 20 office and public spaces in Minnesota and Wisconsin shows that while the automatic daylight harvesting schemes are helping to reduce lighting energy in the buildings, most are not achieving optimal performance, according to a new study by the Energy Center of Wisconsin (ECW).
According to ECW, the median daylighting control system studied was saving 23% of lighting energy, including impacts on heating and cooling. This translated to 915 kWh saved for every kW of lighting controlled. But the average effectiveness (the energy saved versus energy saved with ideal control) of the controls was only 51%. This meant that almost half of the potential savings from these controls was not captured due to imperfect controls operation. Even worse, four of the 20 spaces studied had zero savings.
The low level of effectiveness, says ECW, is evidence of a lack of controls execution. The findings show that successful implementation of automatic daylighting control requires a significant commissioning effort to reach full energy-savings potential.
Read the full daylighting commissioning report from the Energy Center of Wisconsin.
As part of the report, ECW developed a tip sheet on commissioning and calibration and function testing of lighting controls. Recommendations include assigning a single person of the construction team to be responsible for verifying completion of all steps in the daylighting commissioning process, and proper training of the building owner/operator on the controls equipment and systems. Download the tip sheet (PDF)
(http://www.ecw.org/project.php?workid=1&resultid=494)
Related Stories
| Dec 1, 2014
How public-private partnerships can help with public building projects
Minimizing lifecycle costs and transferring risk to the private sector are among the benefits to applying the P3 project delivery model on public building projects, according to experts from Skanska USA.
High-rise Construction | Dec 1, 2014
ThyssenKrupp develops world’s first rope-free elevator system
ThyssenKrupp's latest offering, named MULTI, will allow several cabins in the same shaft to move vertically and horizontally.
| Nov 29, 2014
20 tallest towers that were never completed
Remember the Chicago Spire? What about Russia Tower? These are two of the tallest building projects that were started, but never completed, according to the Council on Tall Buildings and Urban Habitat. The CTBUH Research team offers a roundup of the top 20 stalled skyscrapers across the globe.
| Nov 26, 2014
USITT Selects Bahrain National Theatre for Honor Award
The Bahrain National Theatre will be recognized with an Honor Award by the United States Institute for Theatre Technology (USITT) in 2015.
| Nov 26, 2014
How the 'maker culture' brings the power of design to life
Most people affiliate the maker culture with metal working, welding, ceramics, glass blowing, painting, and soldering. But it also includes coding and online content creation, writes Gensler’s Douglas Wittnebel.
| Nov 26, 2014
U.S. Steel decides to stay in Pittsburgh, plans new HQ near Penguins arena
The giant steelmaker has agreed to move into a new headquarters that is slated to be part of a major redevelopment.
Sponsored | | Nov 26, 2014
It’s time to start trusting your employees more
A recent study published in the journal Psychological Science revealed that employees were 26% more satisfied in their roles when they had positions of power. SPONSORED CONTENT
Sponsored | | Nov 26, 2014
What’s in a coating?
A beautiful coating on metal products can make a strong statement, whether used on a high-end commercial project or an industrial building. SPONSORED CONTENT
Sponsored | | Nov 26, 2014
Virtual reality in 3D models, iPhone thermal imaging: Inside one very cool tech toybox
A little over a year ago, I embarked on a search to find individuals in the AEC space who were putting new hardware to work in the field.
| Nov 25, 2014
Behnisch Architekten unveils design for energy-positive building in Boston
The multi-use building for Artists For Humanity that is slated to be the largest energy positive commercial building in New England.
