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How many watts does it take for a full charge in a 2013 PIP?

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by Tony Prius, Nov 7, 2013.

  1. Tony Prius

    Tony Prius New Member

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    All,

    I recently requested permission to charge my car in my work parking lot. The outlet I would be using is a 120v outlet. In response to my request, Building Management asked me to send them information from Toyota indicating how many watts it takes to fill my 2013 PIP. Can anyone point me to this information? You help is greatly appreciated.
     
  2. Tony Prius

    Tony Prius New Member

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    I think I found the answer....does this seem right?

    How will plugging in the Prius PHV at home affect the electric bill?
    Since electricity rates vary greatly depending on location and utility company, Toyota cannot determine an exact cost. The PHV draws approximately one kilowatt per hour and takes approximately three hours to charge. The effect on the bill also will be determined by how often the vehicle is charged.

    ESQ - Prius PHV FAQ
     
  3. maschronic

    maschronic Junior Member

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    I used "Kill A Watt" meter couple of days ago. Using 120v plug in on my 2013 PiP, it was reading around 1310 - 1313 watts. From that point on, it depends on how long it takes to charge. At $.21/kW (my rate), it would cost me $.28/hour using 1311 watts.
     
  4. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    You can change a setting on your Kill-a-watt to see how many kWh you've used.
     
  5. bisco

    bisco cookie crumbler

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    tony, you have the correct info, 3 kwh.
     
  6. Tony Prius

    Tony Prius New Member

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    Thank you, bisco.
     
  7. maschronic

    maschronic Junior Member

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    Good point. I didn't do that. My thought was this. If i can see the amount of watts being used at its current rate, I can estimate the total cost to charge per hour. I'll have to test it again tonight if I remember.
     
  8. giora

    giora Senior Member

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    The wattage (power) is not constant during the charge cycle (less towards the end), so instant reading of power will not give you the right answer.
    And to the OP: the battery will take 2.7-2.8 kWh per full charge (which is 62% of its total 4.4 kWh capacity). Assuming 15% charge losses (@ 120 V) you will draw about 3.2 kWh from the outlet.
     
  9. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

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    And the usual pedantic nit on the thread title (sorry :) ) :

    Watts are a measure of the power at given instant.

    Watt-hours are a measure of energy.

    Thus the statement that a full charge will draw about 3.2 kilowatt-hours from the wall socket.

    One is concerned about watts when determining if a circuit can deliver enough power.

    One is concerned about watt-hours when calculating the cost.
     
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  10. maschronic

    maschronic Junior Member

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    ok. It is good to know. I'll give it a whirl tonight and test it out.
     
  11. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    Your town is really called Garbage Grove?
     
  12. hill

    hill High Fiber Member

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    Not being a stickler - but your charge is not calculated in watts ... it's watt hours. A watt represents the flow ... the amount of power presently being delivered to your battery. Watt hours is the designation for the battery's capacity.
    .
     
  13. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    haha...look about 3 posts above
     
  14. jdk2

    jdk2 Active Member

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    Merely a euphemism for Garden Grove.
     
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  15. SageBrush

    SageBrush Senior Member

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    I lose a synapse every time my wife confuses power and energy.

    Perhaps this will help OP:
    Energy, measured in units of power*time (e.g. watt*hours but written Wh) is HOW MUCH
    Power, measured in units of energy/time (e.g watt) is HOW FAST
     
  16. hill

    hill High Fiber Member

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    Yep - That's the way we roll here in SoCal. Garbage Grove's neighboring cities:
    Anahslime
    WestSinister
    PussStin
    Skirvine
    FakeForest
    San Juan Crapistrano
    Mission Bendeho
    All made up good fun of course. :)
    .
     
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  17. ultraturtle

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    They probably want to know how many kwh (a measure of energy), rather than watts (a measure of power).

    If concerned about watts, i.e. the ability of your employer's electrical system to provide you a charge, pretty easy. 120v x 12 amps = 1.44 kw

    If concerned about watt-hour, i.e. the cost to your employer to give you a full charge, also pretty easy . 120v x 12 amps x 2.2 hours = 3.2kwh for a full charge. That would be roughly $.35 for a full charge at the national average rate of 11 cents per kwh.
     
  18. ftl

    ftl Explicator

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    Slide that decimal point over! 1440W = 1.44kW
     
  19. ultraturtle

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  20. chesleyn

    chesleyn Active Member

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    I live in Wrong Beach. If I lived in the right beach, I'd live in Santa Monica.


    iPad ? HD
     
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