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My home takes 120W phantom standby power. Let's do a complete audit and see what is consuming the most power, and how it can be reduced.
How bad product design kills the environment: https://www.youtube.com/watch?v=_kI8ySvNPdQ
Forum: https://www.eevblog.com/forum/blog/eevblog-1505-120w-home-phantom-power-audit-time!/
00:00 - Standby power measurement audit
07:52- The fuse box
11:46 - Spreadsheet analysis and differential power measurement
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By YTB

27 thoughts on “Eevblog 1505 – 120w home phantom power? audit time!”
  1. Avataaar/Circle Created with python_avatars Maciek M says:

    By the time you get all timer switches you will spend far more than you will pay for the power consumed by all those devices in a decade 😂 also switching devices off and on makes devices degrade faster. The biggest power hogs could be consoles not in sleep mode – I believe Xbox could eat as much as 20W when the deep sleep is not enabled – but a great work nevertheless!

  2. Avataaar/Circle Created with python_avatars Samuel Gilbert says:

    I don't know how expensive electricity is in Australia, but where I live, one or two timer would probably cost more than the energy for a 120W load over a year.

  3. Avataaar/Circle Created with python_avatars edwardsdean says:

    I wouldn't recommend turning off the NBN routers, if they detect your connection keeps dropping out they will put a speed profile on your service, which slows the speed down, best to leave it on for best performance

  4. Avataaar/Circle Created with python_avatars Towerdog says:

    Now I wanna see a teardown of a Sony wall wart.

  5. Avataaar/Circle Created with python_avatars mrlithium says:

    This is cool just for curiosity's sake. It all adds up but theres not much you can do about it other than remedying the worst of the bunch. We should be glad we don't have to count by individual watts. Pennies.

  6. Avataaar/Circle Created with python_avatars shyrwall0 says:

    AU never heard of DIN?

  7. Avataaar/Circle Created with python_avatars Moran Taylor says:

    The XBOX fires up an checks for updates at ~ 3am by memory…..

  8. Avataaar/Circle Created with python_avatars Deathby KillerBong says:

    the state of that powerbox backside is jarring every time i see it, really surprising.

  9. Avataaar/Circle Created with python_avatars gatordontplay417 says:

    Outdoor mains still weirds me out.

  10. Avataaar/Circle Created with python_avatars Graeme Allan says:

    big clive looked at mains smoke detectors and was not impressed,the power consumption was huge

  11. Avataaar/Circle Created with python_avatars Daniel Karlsson says:

    I had some high power outdoor lights (i live alone in the contryside here in sweden), they were 40w each so i put em on a motion sensor Works great but its now really dark when looking out trough my windows. The biggest power eater is my air-air heating pump, but its really needed in the colder time of the year.

  12. Avataaar/Circle Created with python_avatars Panhead49EL says:

    Could you build your own transformer?

  13. Avataaar/Circle Created with python_avatars Richard Kinch says:

    Total resistive load is not the sum of the individual resistive loads. You'd have to sum the complex loads and then figure the real magnitude of that sum. The reactive waveform of all those gadgets together is going to be a mess. It's not linear or sinusoidal, and scalar arithmetic is not enough.

    Strange to think that hardly any of these parasitic gadgets existed a few decades ago. All we had were transformers for thermostat and doorbell, and passive switches (including mercury types!). Before electric there was gas street lighting, and lamplighters going around to open/close/ignite them.

  14. Avataaar/Circle Created with python_avatars cybermaus says:

    You could consider walking around with your IR camera. You'll quickly see where the energy goes.

  15. Avataaar/Circle Created with python_avatars Erik Andersson says:

    Shutting down the internet during the night might increase the power usage on the phones a little though instead, since they check stuff periodically and would have to use the mobile network instead – which usually is more power hungry given the distance to access point.

  16. Avataaar/Circle Created with python_avatars Mtaalas says:

    Sorry for the long post, but this is close to my heart since of my current job and what I'm seeing how people waste energy….

    I'm so glad I live alone in a apartment building (in this regards) I have less than 10 devices on during the day and only 1-3 that are plugged in permanently…
    This phantom power draw is a real issue.
    Thinking that hundreds of millions of people have at least this much power draw on devices that don't do ANYTHING being just in standby, that adds up globally to a lot of power draw for NOTHING.

    I still remember your video on those mains powered smoke alarms and how you did quick back of the envelope calculations for Australia to show how much wasted energy just those alarms create… it's such a waste and any country claiming to be green or environmentalist is just full of it unless they understand to get rid of this wasted energy…

    Especially now in Europe we should strive to reduce all wasted energy to ZERO to get over the energy crisis.

    And it starts from consumers AND companies being aware of the issue and cutting off everything unnecessary to get that strain on the grid out and that might start bring down the price of energy finally.

    I'm an AV maintenance technician in my current job and I see huge companies, having huge office complexes just WASTING TONS AND TONS of energy with devices that are on 24/7 wasting often hundred watts per meeting room, times 100 meeting rooms per building times tens and tens of companies just in Helsinki metropolitan area.

    Huge LED screens that are on 24/7, tons of information displays, meeting room displays, lighting etc… it's amazing how much energy is just pissed away for NOTHING.

    I start to despair time to time.

    And they do this because manufacturers of different AV devices are unable to create stuff t hat can RELIABLY go to standby and then get the whole system back up from there without any issues of different AV links being buggy or something…

    It's just nuts.

    I hope the energy crisis wakes legislation up for this real issue and starts to enforce device manufacturers and companies to stop this insanity.

  17. Avataaar/Circle Created with python_avatars Bert Blankenstein says:

    I have eliminated a number of computers (desktops) and replaced a few with raspberry pis. Also decided to stop contributing to folding at home after a few billion points. Don't have AC here, but the residual electricity being used will provide some heat, which comes in handy in winter when heating is required. There would not be much in it. I've thought about getting a power meter but haven't done so (still might). I did build a cable where I could put a current clamp on one conductor. I should have a look at the power meter outside to see what the standby/residual power of the house is.

  18. Avataaar/Circle Created with python_avatars zukjeff says:

    plug in and turn on a copper core transformer with negligible load on it. It will correct the power factor of all the tiny little parasitic / capacitive loads. My minimum power usage shows as 190 watts, i turn on the kitchen LED down lights ( 3 x MR16 x 5watt) and the power usage 'drops' to 99 watts. The MR16s are on an old 20 amp copper transformer.

  19. Avataaar/Circle Created with python_avatars Amrish Hirani says:

    Happy Dussehra

  20. Avataaar/Circle Created with python_avatars ugetridofit says:

    WOW!!!! How can you be that bored to catalog and create a spread sheet for the power usage of your devices. I could see if you were off grid in some cabin somewhere, but at your house ?

  21. Avataaar/Circle Created with python_avatars UROS RUTAR says:

    Teardown the night Light you might be surprised how they turn it "off". Hint: they don't.

  22. Avataaar/Circle Created with python_avatars roboman2444 says:

    Most (good) wifi routers allow for scheduling of WIFI radio hardware power. You can turn them off or reduce them to a very low power at night automatically. They also usually have settings for disabling or dimming the LEDs, as they can be very bright and distracting at night (and probably suck a bit of power too!).

    You might also be able to save a little power by powering both the modem and the router from the same brick. Most consumer network equipment takes 12v at 1 or 2 amps max, so a single high-efficiency 12v wallwart may be better than 2 separate ones, as long as it can handle the load.

  23. Avataaar/Circle Created with python_avatars fremeaner says:

    I can't do this test… server, cameras, switches, the dynalite controllers lol.

  24. Avataaar/Circle Created with python_avatars Brad Newman says:

    G'day Dave. Some air conditioner manufacturers design their compressors to have a small amount of current pass through the motor winding to keep oil warm to prevent refrigerant migration to compressor sump. This is to increase compressor life.

  25. Avataaar/Circle Created with python_avatars Micai Askauss says:

    Really good video Dave, thanks

  26. Avataaar/Circle Created with python_avatars ats89117 says:

    Don't your phones use WiFi when you are at home at night rather than accessing the network?

  27. Avataaar/Circle Created with python_avatars EEVblog says:

    NOTE: I completely forgot three mains powered smoke alarms. We had to fit these when the home extension was added to meet new building codes. I thought they were still battery powered (but they do have battery backup)

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