Lori Bongiorno

Vampire power costs

Plug overload / iStockPhoto

There's a lot of interest in the fact that many electronic devices in our homes are using energy even while they are turned off or not being used.  But, how much money do these energy vampires really suck up?

For many people, the standby power used by one device will seem minuscule, but the costs can add up when you take into account just how many things we all have plugged in. What's more, many households, have multiple televisions, computers, cordless phones, and others.

All told, the money wasted by an average U.S. household on standby power each year could easily be used to purchase an iPod Shuffle or in some cases even a Nano.

Below is a list of the annual average costs for many household gadgets that are turned off and plugged in. Just add up the costs for everything you have plugged in at home to find out how much standby power costs you each year.  

Keep in mind that these are just averages, and in some categories there are big differences between most and least efficient products. How much energy each of your devices consumes will depend on both the device itself and your local electricity costs.

We calculated the following averages based on energy use stats from the Lawrence Berkeley National Laboratory and American Council for an Energy-Efficient Economy using a price of 11 cents per kilowatt-hour.

Home Entertainment

  • CRT TV: $1.00
  • LCD TV: $2.97
  • Plasma TV: $2.97
  • DVD: $1.53
  • VCR: $4.63
  • Digital cable box: $17.65
  • Satellite cable box: $15.50
  • DVR: $36.63
  • Digital cable box with DVR: $43.01
  • Set-top satellite box with DVR: $27.52
  • Video game console: $1.00
  • Portable stereo: $1.64
  • AM/FM tuner: $1.11
  • CD player: $4.99

Home Office

  • Desktop computer: $3.96
  • Laptop computer: $8.81
  • Laptop charger (unattached to laptop): $4.38
  • LCD monitor: $1.12
  • Printer: $1.98
  • Multifunction printer, scanner, copier: $5.21
  • Computer speakers: $1.98

Other

  • Coffee maker: $1.12
  • Microwave oven: $3.05
  • Cordless phone: $1.98
  • Answering machine: $1.99
  • Power tool: $3.96
  • Handheld vacuum: $2.97
  • Electric toothbrush: $1.98
  • Cell phone charger (unattached to phone): $0.26

Costs start adding up when you take into account electronics that may be left on when you're not using them.

Here's a small sampling:

  • Desktop computer: $71.00
  • Video game console: $23.10
  • VCR: $7.69
  • DVD player: $7.46
  • CD player: $8.53
There's little consumers can do about set-top cable, satellite, and DVR/TiVo boxes. Television shows can't be taped if boxes are unplugged and it typically takes a long time to reboot boxes. Since it's not practical to unplug them, the best you can do is remember to turn off the box when you're not actively watching TV.

When you add up how much money every U.S. household spends on standy power it amounts to about $4 billion a year of wasted energy.  


Environmental journalist Lori Bongiorno shares green-living tips and product reviews with Yahoo! Green's users. Send Lori a question or suggestion for potential use in a future column. Her book, Green Greener Greenest: A Practical Guide to Making Eco-smart Choices a Part of Your Life is available on Yahoo! Shopping and Amazon.com.

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comments from our community

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  • Posted by raydev4ever@att.net Thu May 28, 2009 3:47pm PDT
    It is the people that don't believe global warming is caused by man that cannot spell correctly!!!LOL, Jason....might be believable, if you could spell! Bottom line from this story or any in regards to saving energy and money...we all waste tons and we are so damned spoiled ....who cares, right!! It's the individual pocket book that will make a difference in this world, and I am not so sure we will ever "get" it! Unfortunately, it is our grandchildren and their children that will be suffering because of our inability to clean up after ourselves!
    Report Abuse
  • Posted by gerald n Thu May 28, 2009 3:52pm PDT
    My Mother-in-law told me once: "If you watch the nickels, the dollars take care of themselves" How true in light of this information ! Here I go. I'm thinking of putting timers on all the gear that uses energy when not in use.
    Report Abuse
  • Posted by Alice Thu May 28, 2009 3:59pm PDT
    I found out this information awhile ago, and since then I have unplugged unused electrical items. I use a power surge for my computer, printer and sewing machine and turn it of every night. My question now is am I still saving on energy if the power surge off?
    Report Abuse
  • Posted by j.metrish@sbcglobal.net Thu May 28, 2009 4:00pm PDT
    My satellite takes 10 minutes to start up. I think there is other ways to save energy and money.
    Report Abuse
  • Posted by grumpy Thu May 28, 2009 4:02pm PDT
    The worlds going to hell in a hand bag but at less i'm going to enjoy the ride
    Report Abuse
  • Posted by jd Thu May 28, 2009 4:03pm PDT
    i luv electricity
    Report Abuse
  • Posted by Karen Thu May 28, 2009 4:06pm PDT
    All this talk about "Saving energy, saving the planet etc., I'm all for living green - and we do our part in our house. But has anyone ever considered shuttin' down Vegas for bits at a time? EXACTLY how much energy does that one city use per minute, per day, per year????? Our local cities ask us to cut down on using appliances during peak hours on the hottest summer days and coldest winter nights - all in the name of saving energy. We fear a "black out" or a "brown out" during an energy crisis. So you're telling me that unplugging all this stuff should help? Try unplugging some of those hotels in Vegas!
    Report Abuse
  • Posted by Laura M Thu May 28, 2009 4:09pm PDT
    According to this list, my monthly energy costs to keep these "vampire" appliances working are only about $5. The savings would NOT be worth the effort of unplugging and re-plugging all these appliances each and every day I use them.
    Report Abuse
  • Posted by shawn Thu May 28, 2009 4:10pm PDT
    Eye Opening!!!
    Report Abuse
  • Posted by John S Thu May 28, 2009 4:16pm PDT
    If you really want to get nitty gritty, it should be noted that it takes more energy to turn many items on than it does to leave them. Also, for those items that need to boot (satellite/cable boxes, as mentioned in the article)...the time that they're rebooting is burning energy when they can not even be enjoyed. I totaled the $ my household would save for what we have: $102.88. This is less than $0.30/day. Not worth the time to turn off all items or even 1 of them. Now, if items are not being used, unplug them; I will be unplugging a vcr that hasn't been used in over a year. I also tend to unplug some items if I leave for a few days or more. If nothing else, a little safer if a surge of any sort.
    Report Abuse
  • Posted by bjmal510@sbcglobal.net Thu May 28, 2009 4:16pm PDT
    ONLY IN AMERICA, WILL YOU FIND PEOPLE GIVEN FREE INFORMATION, TO READ IF THEY CHOOSE, USE THE INFO IF THEY CHOOSE, THAT WOULDNT HAVE HAD ANY IDEA IF ASKED BEFORE THEY READ THE INFO, HOW MUCH A COMPUTER LEFT ON, NOT USED WOULD COST, AND @#$% ABOUT IT.
    Report Abuse
  • Posted by Kathleen Thu May 28, 2009 4:31pm PDT
    It's not so much the cost per household but the cost of energy wasted when you take in to consideration the total number of people throughout the United States.
    Report Abuse
  • Posted by Kittygirl Thu May 28, 2009 4:39pm PDT
    Never want a light bill over $150.00? Unplug all lamps, turn off switch at breaker box for electric stove top and electric oven, dryer to name a few. Learn how to read your meter. It is easy. Call your electric provider to find out the date you meter will be read and then read your meter a day before, the same date and the date after. Meter readers can and do make mistakes.
    Report Abuse
  • Posted by LarryR Thu May 28, 2009 4:43pm PDT
    Lawrence Berzerkely is leaving out some facts: On a TV, VCR, DVD, or cable box, the device uses more power going through the 10-minute setup ON than it uses in a WEEK of being plugged in, but turned off. So, unless you aren't going to use it for more than a week, you lose by unplugging it. The same thing happens if you unplug a computer system with DSL or a cable modem. Some of those values are a LOT more than I get (after correcting for the fact that my power is only 8 cents per KWH). What we need to do is start demanding equipment without remote controls, and with actual control knobs, rather than stored digital settings. The device should not have to remember anything between uses. Then it would draw no power when it is turned off.
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  • Posted by Pamela R Thu May 28, 2009 4:51pm PDT
    I have solar panels on my house. Turning the desktop computer off made the differece between the electric meter running forward (computer on), or backward- generating more than I'm using!
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