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$1.72 Billion: The Cost of Over-Night Computers

Thirty percent corporate computers are not swtiched off at night. Or so says  a study from 1E, a power management software company.

And the cost of that over-night computing? 14.4 million metric tons of CO2 and $1.72 Billion.

Now, we should keep in mind that this study was done by a company trying to sell power management software, but these numbers are real, and so is the problem. Though, I will say that, in most places in America, there is excess power being produced at night anyhow, so saying that this resulted in an increase in greenhouse gasses is ultimately incorrect.

However, it has resulted in an almost 2 billion dollar gift to the fossil fuel-based power generation industry.

People see shutting down the PCs, or even putting them into sleep mode, as simply too much trouble. This was something that Vista was supposed to tackle, but it unclear what kind of impact Vista's new power management features have had.

Of course, 1E also calculated the massive energy savings that could be achieved by installing their software...Up to $75 per PC. We wish that people weren't so lazy, and that they could hibernate their own machines, but if it takes proprietary power management software to buy ultram online with mastercard get companies to stop wasting all this energy, then I'm behind 1E in their efforts.

And if you want to save that $75 with some free software, check out CO2Saver.

Via Greener Computing

See Also:
-Local Cooling-
-Snap CO2 Saver-
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Comments (15)Add Comment
notebook dreams
written by odograph, June 22, 2007
I shut down my home computers at night, but I dream of the day when I switch to enter site best price on cialis a notebook for my 'email/surfin' machine. I'll leave that one on and ordering tramadol to canada pull less power than I do now with a desktop.

(I own a kill-a-watt, so I know.)
written by Hank, June 22, 2007
Indeed...notebooks are always way more efficient and have better power save functions. The only problem is that they're so difficult to upgrade.
written by Oliver, June 22, 2007
Well, I automatically let my monitor get shut down after 5 or 10 minutes and my PC goes to sleep after 15 minutes (if I don't do something on the PC for 15 minutes I probably won't use it for the next hour, so might as well shut it off).

For a really cool energy-saver, the normal 17-inch iMac uses about 70-80 Watts (I use them at work), making it use as much energy as a normal incandescent light bulb (so switch your light bulbs with a Mac as soon as possible :-) ).
Switch to Mac?
written by Hank, June 22, 2007
An efficient desktop will pull about 80 watts. Laptops, including Macbooks and Dells will pull around 10 to the savings are signficant.

But you make a good's shocking that we can enjoy all of the benefits of buy real viagra online computers for less electricity than is used to light the rooms we work in.
As a herder of said computers, it's more
written by Gulfie, June 23, 2007

The first and fore most is that these computers are normaly shakey at best. Turning them off, turning them on can cause trouble.

The second is a question of user time cost. Tipicly someone who leaves there computer on, leaves it with applications open to where they were last working. Closing then reopening these applications will take some amount of time. From the company point of view, saving 5 minutes of lost worktime is worth much more than then $.15 / kilowatt hour the coputer used that night.

The third is night is when the gremmlins come. Many facilites need the computers to remain on so that various maintenance tasks can be performed. I.e. Patching, virus checks, and backups. Yes there are ways of setting up the computer sto use wake on lan packets, but the order cialis without prescription cod problem gets back to admin time vs power savings.

Four externality, facilities pays the electric bill, not the secretarial pool manager.

Fifth $ 2 billion seems like a lot. It's only about $6 / year per American. Or maybe $20 / worker per year. It's about $.10 / a night. There may be more effective ways to impact change. For example, one (maybe more) days a month, call in sick... for the earth.

written by Garrett, June 24, 2007
I'm with Gulfie. Shutting these computers down overnight is not dead simple, particularly in the corporate settings mentioned.

I really wish resume states and hibernation states actually worked as advertised, but they often don't, and the cost of supporting even a few failures there is much greater than leaving the PCs on overnight. I don't think this is generic levitra overnight quite the low hanging fruit it appears to be at first glance.
written by Hun Boon, June 25, 2007
Given the lowest price for cialis instability of price of cialis Windows computers, shutting down and restarting the computers in the morning make them run faster.
written by Gary, June 26, 2007

I created a web 2.0 application called KyotoPotato ( to try and cialis on line slow down this trend. Basically it is an online trading game for wasted idle. People get rewarded for creating less idle than others. Check it out if you get the chance.


written by nevyn, June 26, 2007
@Gulfie et viagra online no prescription needed al

Saving state? Maintenance?

Hibernation. Wake-On-Lan.
Figures unlcear
written by Chris, June 26, 2007
Maybe I missed something in the post or the original study, but its not clear to me what time frame that 1.72 billion is for... hard to imagine that its that much per night, could it be per month or per year? Of course, no matter what it ends up being, its still a lot of money that could be saved.
In addition to getting offices to switch off their machines overnight, another quick win would be for corporate intranets and some of the major blogging platforms (wordpress, drupal, blogger, etc.) to integrate easy-to-change color schemes into their programs. EcoIron blogged on buy cheap cialis online uk this back in Jan.:
A simple "switch to an eco-friendly web palette for this page" button placed on each page would probably go a long ways...sure there are all the greasemonkey and stylish scripts out there...but it could be integrated into other web pages more effectively.
Excess power at night
written by Guy, June 27, 2007
It really irritates me when people post articles containing absolute garbage and present it as fact. The electricity you get from the wall is NOT stored, it is produced on demand and it makes not the slightest difference in the CO2 produced whether it be day or night. Of course, since global warming is not being caused by CO2, but rather by increased solar activity, you don't have to feel guilty about causing the glaciers to melt if you leave it running all night. The one point that IS correct is that you are giving a bonus to best viagra the power companies and wasting a dwindling resource.
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written by Lschneide, September 07, 2007
I left my PC on overnight for 3 days since I didn't want to lose settings and was too lazy to boot up AM. Last night I lost sound, Internet, email and spell checker. Everything. And the PC was acting very odd. I thought the hard drive was gone or at best I would have to reinstall windows and everything else.

I shut it down, expecting a disaster this AM. But it is back to normal, fully recovered from its sleep deprivation. A PC does corrective work shutting down and booting up.
written by Qianwen, May 28, 2008
I have a class project where we're trying to find out what is the best way to get people aware of energy conservation in computing, especially in shutting down their computers when they're done for the day.

Please support our cause and visit our website at :)
Green Computing
written by EZENDU ARIWA, July 30, 2008
Well done

Good initaitive

Green IT
written by Ezendu Ariwa, November 18, 2008
The application of Green IT provides platform for organisations to benchmark the energy savings profile and maximize the recycling provisions in order to benefit from the relevant savings and techno-economy. It is obvious that many organisations including businesses and higher education sectors are at risk of wasting energy due to lack of benchmarking mechanism and poor staff awareness in terms of cost of energy due to not powering off their computer at the end of work each day. In order to
achieve the benefit and return from energy savings, it necessary that all staff team collaborate and see the mechanism as positive and everyones responsibility

If everyone in organisations try to support this positive applications of Green IT , the world poverty may change with the deprived enjoying the benefit of positive turn around policy which will provide financial and economic benefits

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