Home Strategy Business Essentials How to save electricity in your office
How to save electricity in your office
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Strategy - Business Essentials
Written by Binesh Kutty   
Thursday, 01 May 2008 00:00

From little nip-tucks to a complete shift, a lot can be done to slow down that manically racing meter

When 2.2 million homes and 2100 businesses in Sydney turned off their lights for one hour on March 31, 2008, it reduced the city’s energy consumption by 10.2% for one hour.

Just to give a better perspective, that is equivalent to taking 48,616 cars off the road for a year! Looking at the impact, Earth Hour 2008 saw 24 global cities participating, which included 286,000 people and over 20,000 businesses. While you are reading this piece, hundreds of companies and individuals are signing up, by the minute, for Earth Hour 2009.

That’s just about global warming. There’s also something closer to home—electricity consumption burns a big hole in the pockets of businesses. The good news is that there are things that you could do to slow down the manically racing meter.

Air conditioning optimization
The most obvious cost-cutting can happen by using ceiling fans instead of air conditioners whenever possible. The differential in operating cost is approximately 30 paise per hour for fans as opposed to Rs 10 for air conditioning. Replacing the metal blades of a fan with fiber blades can save 20% energy overall.

However, if air conditioning is all that you have, each degree set above 22° Celsius will use 3-5% less energy. The recommended temperature to set the thermostat at is 25° Celsius, which is both comfortable and cost efficient.

Further, going for multi-coated glazing windows helps in restraining cool air escape. It is also advisable to install weather-strips under doors, windows, and ducts to avoid air leakage. Getting multiple coated glazes on glass windows also reduces air conditioning energy usage by about 40 percent.

It also helps to install green meshes on west facing windows and doors, so that it blocks direct sunlight heat and reduces the load on the air conditioners. This can be uninstalled in winters to let sunlight come in and reduce the need of heaters. Many businesses also have a large number of plants with drip irrigation, which helps to reduce the heat as it increases moisture in the air.

For those who are planning on installing air conditioning in new offices, it is advisable not to go for centralized air conditioning. The reason, says Lipika Sud, Honorary Secretary, Indian Institute of Interior Designers (IIID, Delhi), “Because it is a single unit, it has to be run for the entire office, irrespective of selective places where it is required after normal work hours. I would definitely recommend split air conditioning, which allows you to cool specific pockets where the cooling is required.” Besides this, cleaning the filter of air conditioners enables quick cooling while being energy efficient.

DARE/electricity hogging elements
- Air conditioning
- Backup (generators, UPS, etc)
- IT components (PCs, data centers, etc)
- Lifts/elevators
- Lighting systems
- Refrigeration
- Water purification

Backup equipment basics
“The rule of the thumb,” says Pratik Chube, Country Manager, Emerson India, “is to take high efficiency products. This depends on what the utilization of the product is going to be. You should map and synchronize the products efficiency to manage the load.”

For a new setup, there are three basic assessments when it comes to buying power backup solutions. First, it should be a reliable solution, which means that it should not disturb critical continuity. Second, it should have scalability, so that the solution is future proof and can be incorporated without making legacy equipment defunct. Third is that one should not look
just at the capex (capital expenses). The payback time should be quantifiable in terms of productivity or in finances.

DARE/ITC green center
How they save on power
It is the largest building in India that has been awarded the highest rating of Platinum by the US Green Building Council. It saves over 50 per cent in energy costs compared to conventional buildings.

All that glass you see on the building? It’s special e-glass, which filters out all the heat and noise, but not the light. The roof is coated with special high-reflectance ‘albedo’ paint. These two features alone are responsible for the building’s 375-ton AC plant as opposed to the 500-ton plant that was initially suggested. Walk into the large atrium and you immediately notice the absence of artificial lighting. This is possible because of the large skylight and windows surrounding the atrium. Also in the lobby is a touch-screen terminal, listing out ITC’s Green initiatives. Looking at a typical office inside the building, full-length glass ensures ample light. The electrical lights meanwhile have sensors, and will come on only when needed.

Niranjan Khatri, GM of ITC’s WelcomEnviron initiatives explained, “An office building built using conventional methods is a ‘sick’ building.” Studies have also shown that working in natural light increases productivity and reduces lethargy. If employees fall ill regularly or are not at their productive best, the company actually pays for it through lifecycle costs. This kind of health cost has not been quantified yet. The Green Center however, uses special carpets and paints with low VOC (volatile oxide compounds). CO2 sensors refresh air if needed. A more productive workforce leads to greater profitability in the long run.

The rooftop houses the solar power water heating system with a 4000-liter tank. Outside, all lights are capped to prevent night sky pollution. This is out of respect for nocturnal bird life and astronomers who find it difficult to view stars because of the excessive light given out from a city.



Comments (20)Add Comment
ac on rent in noida
written by ac on rent in noida, June 22, 2010
This is very informative article. I am from noida and searching ac on rent in noida
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written by V Henderson, February 18, 2010
You could look at PC energy management software like http://www.greentrac.com - it uses positive behaviour acknowledgment to improve energy usage and thereby reduce your power bills
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Mr.
written by Lokesh, November 27, 2009
Nice Article to read on.
Thanks
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Saving Electricity in the office
written by NN Bala, November 06, 2009
Normally, in an office environment, one switch controls many tubelights/cfl lights. We have installed a cord switch ( switch with a string hanging ) with every tubelights/cfl light in our office. If the person is on leave or not on the seat, the tubelights/cfl above his seat can be switched off.
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Saving energy by saving electricity, water and gas at home or offices
written by Shahriar Hyder, August 25, 2009
Very nice & informative post! I have linked to your while blogging about saving energy by saving electricity, water and gas at home or offices below:

http://technosiastic.wordpress.com/2009/08/25/saving-energy-by-saving-electricity-water-and-gas-at-home-or-offices/
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...
written by Sidharth Gupta, August 21, 2009
Energy saving is the need of the hour. We have wireless retrofittable systems for remote monitoring, controlling and optimization of energy consumption in an office space. It also comes with powerful energy MIS and analytics.

Do get in touch for more information or demo.
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Consultant
written by Sidharth Gupta, August 21, 2009
Energy conservation in office buildings is the need of the hour. Our company has systems that help in reducing and controlling energy consumption in offices. It comes with power packed energy tracking systems that help in generating energy MIS for an enterprise. Moreover, it's a wireless system so no re-wiring needs to be done.

Do get in touch for more information or demo.
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Power Saving
written by Eldho Paul, June 25, 2009
Switch to CFL light bulbs. As a power-saving measure, start using the CFL light bulbs wherever you can. They are initially more expensive than the regular bulbs, but the benefits of the CFL bulbs will prove much more cost-effective in the long run by the amount of power they will save.

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Global Worming
written by Ajay, May 20, 2009
As the global worming is the prominent issue now a days, and lot of TV channel like NDTV, National Geographic are focusing on this issue and improving knowledge of general public regarding.
But affect will be seen when we take this important issue as practical in general life. And think lot of how can We save earth.
It's a good initiative by Dare.co.in and waiting for more in future.
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written by Sonali, May 13, 2009
Gr8 piece of info....looking forward to read some more intelligent stuff on today's firefighting issues like global warming , economic slowdown etc.
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How to save electricity in your office
written by Maria, April 29, 2009
Excellent article with a great information

To reduce your power bills, visit my site. i think it will helps u a lot
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save electricity
written by DR SUSHIL KUMAR SHARMA, April 18, 2009
Use CFLs in place of more power cosuming bulbs

Minimize the use of bulb lights during celebrationsnad gatherings (reduce the no. of bulbs and replace the bulbs with CFLs)

Use of ACs in offices must be justified

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CEO
written by David, March 10, 2009
In researching saving electricity on buildings I ran across your article. All of the measures you have taken are comendable, however I represent a product that can substantialy lower electrical cost on the a/c units. This will save as much as 30% on the electricity cost of the a/c unit. It is simple affordable and it works. You get a quick return on your investment and the savings on elecrticity is excellent. You can view this wonderfull product at my website. www.hydrobreeze.com, click on a/c pre cooling.

David Wolff
HydroBreeze
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GoodSite
written by ricky, December 18, 2008
Hai !
This is a nice site and great article.
when i am reading this article then i know so many new things from your site.Thanks for that
******************************************************* ***************************
Ricky
Make Money
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...
written by kamal, November 24, 2008
use timer for signage
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save electicity
written by tushar, September 29, 2008
by using green swithes , they save the electrity when the appliens are off
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energy auditor
written by SANJEEV JAIN, September 10, 2008
LIGHTING CONSUME ABOUT 20% OF POWER IN BUILDINGS. USE OF MAXIMUM DAY LIGHT IN DAY TIME AND ENERGY EFFICIENT LAMPS OR L E D LAMPS CAN SAVE LOT OF ENERGY/POWER.
- SANJEEV JAIN
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written by R. Ramkumar, August 28, 2008
Indeed energy conservation is the call of the hour both to reduce costs as well as to ensure that we have energy for the future.
Employees could follow the SOS policy - Switch Off Something
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written by r k mittal, August 27, 2008
It is true. We can do a lot to save energy by putting small checks in our daily life like switch off the computer if we are out for a longer period or swith off the monitor when it is not in use. Save energy would not only save money but also reduce the pollution and leave green place to live.

regards

R K Mittal
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written by C.Madhu, August 26, 2008
We keep the air conditioners at 25 deg Cel. WE HAVE DISPLAYS IN OUR SHOP FLOORS SAYING " SWITCH OF THE LIGHT WHEN NOT IN USE " AND "SAVE ENERGY"
REGARDS,
MADHU
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