October 2009
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Realize energy and cost savings with
lighting control systems.
Kevin Braley
Communications Specialist
Orion Energy Systems
L ike the ebb and flow of the ocean tides, facility lighting needs are in constant flux ? or at least should be ? as lights are turned on and off as needed.
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Each model allows users to set times for the lights to automatically turn on and
off, meaning you no longer have to worry about accidentally leaving lights on
over a long holiday weekend, running up the electric bill.
By controlling your lighting needs in zones, areas of the facility can be
completely turned off when there is no activity. For example, if your company
operates a third shift when few, if any, shipments are received, you can order
the lights over the receiving department be turned off during those hours,
automatically creating energy savings.
And all of this technology is wireless, allowing you the flexibility to change
your lighting needs in the future, without the costly rewiring of the facility.
Implement the wireless controls with other energy-saving technology,
like the Compact Modular?, high-intensity fluorescent lighting platform and
Apollo? solar light pipe, and facilities can further decrease their
light-related energy costs.
The Apollo? solar light pipe is a rooftop installed device that harvests
daylight and focuses it to a facility floor, replacing the needs for electric
lights for up to 10 hours a day.
Automating Trane
At one of their facilities in Vidalia, Ga., the Trane Corp. installed Orion?s
Compact Modular? system as part of a retrofit of their outdated, inefficient
high-intensity discharge fixtures. Overall results show an increase of more than
50 percent in light levels as well as a reduction in energy consumption of more
than 467,000 kilowatt-hours, translating to annual savings of over $30,000 in
energy expenditures.
But because there was no easy way to control its lights, the facility kept the
lights on for safety 24 hours a day, seven days a week. By adding the InteLite?
control system, Trane is now able to wirelessly turn off 90 percent of lighting
in areas where it is not needed, thereby driving further efficiencies while
maintaining its safe work environment.
The wireless control platform positions them to save up to an additional 498,000
kilowatt-hours annually through intelligent control of light usage. In total,
Trane has the potential to save $62,000 annually in energy expenditures while
gaining dramatically improved light levels.
Add technology, increase flexibility
Pair the control system with InteLite? Occupancy Sensors and you can
further control your lighting needs. The Occupancy Sensors collect data
regarding the presence of people who routinely move through a space during a
24-hour period. The sensors have the unique ability to adapt the lighting
schedule based on this intelligence and to automatically adjust the settings of
each fixture to stay on longer or turn off sooner to save even more energy. In
essence, the lights turn on and off based on motion, regardless of the set
schedules.
In a project recently completed, the actual cost to operate the lighting system
was reduced from $285 per high-intensity discharge fixture to $44 per fixture a
year when the occupancy sensor was used with Orion?s Compact Modular? lighting
platform and InteLite? control system. In other areas of the facility, the
addition of the Apollo? Solar Light Pipe decreased operating costs nearly to
zero during peak hours of the day.
A Sysco Foods facility in Walnut, Calif., installed the new smart sensor
technology on more than 1,000 of Compact Modular? fixtures previously
installed at the facility. The InteLite? occupancy sensors alone are estimated
to help the facility reduce energy waste by nearly 1.3 million kilowatt-hours.
At a PepsiAmericas production and warehouse facility in Reserve, La., the
beverage giant is installing the intelligent occupancy sensors on 155 of the
Compact fixtures. The Compact Modular?
system alone will save PepsiAmericas 334,000 kilowatt-hours. The addition of the
occupancy sensors will increase the savings by another 211,000 kilowatt-hours
annually.
As a result of the annual kilowatt-hour reductions at Sysco?s Walnut, Calif.,
facility and PepsiAmerica?s Reserve, La., facility, the companies will displace
a combined 19,706 tons of carbon dioxide emissions over the life of the sensor
technology. The companies also are reducing sulfur dioxide emissions by nearly
80 tons and nitrogen oxides by almost 30 tons, according to the Environmental
Protection Agency.
By automating your lighting needs, you can significantly reduce your energy
costs, reduce your carbon footprint and gain the flexibility you need to control
your lighting.
Or, you can hire a lighting czar.
Orion Energy Systems Inc.
(Nasdaq: OESX) is a leading
power technology enterprise that designs, manufactures and implements energy
management systems, consisting primarily of high-performance, energy-efficient
lighting systems and controls and related services, for commercial and
industrial customers without compromising their quantity or quality of light.
For more information about Orion and how you can transform to an energy
management company, visit www.oesx.com
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