Kilowatts needed to recharge.
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  1. #1
    Join Date
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    Default Kilowatts needed to recharge.

    I am on a hourly meter electric so my charge for electric changes every hour. I was wondering how many kilowatts are needed to recharge a 2012 Volt battery that is run down? Reason I am asking is that when recharging at night I see sometimes my electric is as low as -.01 cents per KWh and might go up to +.02 cents per KWh at the highest. It usually takes around 3 hours on my Clipper creek 220 unit. I have seen it at a record low of -16 cents per KWh. I am in suburb of Chicago on ComEd electric.

  2. #2
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    Ballpark about 12, but to be safe round it up to 13. This is to FULLY charge an empty battery.
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  3. #3
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    Quote Originally Posted by BAZINGA View Post
    Ballpark about 12, but to be safe round it up to 13. This is to FULLY charge an empty battery.
    I thought a full batter was 14.5 or so? A full unusable capacity of 18?

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  5. #4
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    Quote Originally Posted by jupitermoon View Post
    I thought a full batter was 14.5 or so? A full unusable capacity of 18?
    Your numbers are good for a gen2 (14.4 / 18.4 kWh), the OP posted in the gen1 forum so he was given the numbers for gen1. Roughly, you can multiply the usable capacity times 1.15 or 1.2 to account for losses, thus 10.5 x 1.2 = 12.6 kWh to charge an empty gen1. I've seen it take a little more in cold weather, but that's a decent number.
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  6. #5
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    When I signed up for the hourly rate and hourly meter the info I got was just as "fourdoor" said. ConEd has a excess because they do not want to shut down and restart plants. They just let them run because demand will be going up soon. I can see what I am paying by the hr or every 5 minutes if I choose. I charge up in the Am so it's finished by 5 o'clock am. Usually never over 2.5 cents per KWh but last nite was right around .01 cents per KWh. The lowest was -.16 cents. The price during the day is usually all over the place and up to plus .18 cents per kWh. Just me and the wife here so we do not use a lot of electric during the day.

  7. #6
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    Wow...and I thought I had an awesome deal here in Arizona @ roughly 4.5 cents/KWh at night, lol Though we do have a nuke plant here, we also have multiple fossil plants, so I suspect those can be ramped up and down as needed.
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  8. #7
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    My 2013 Volt: 13 KwH maximum.

  9. #8
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    Quote Originally Posted by 428goat View Post
    When I signed up for the hourly rate and hourly meter the info I got was just as "fourdoor" said. ConEd has a excess because they do not want to shut down and restart plants. They just let them run because demand will be going up soon. I can see what I am paying by the hr or every 5 minutes if I choose. I charge up in the Am so it's finished by 5 o'clock am. Usually never over 2.5 cents per KWh but last nite was right around .01 cents per KWh. The lowest was -.16 cents. The price during the day is usually all over the place and up to plus .18 cents per kWh. Just me and the wife here so we do not use a lot of electric during the day.
    I just checked with my power company, and they run a slightly different deal. You can join a program where you can see your hourly usage, and when they anticipate a peak time to arrive, they will email or text participants to reduce their usage and pay you $1.58 per kWh that you are able to actually reduce from your estimated usage. I'm tempted to sign up as it appears that the program doesn't cost me anything, I'm still paying the same flat rates with the kicker of discounts during special times. I need to do more research.
    LLninja (greenback troll #1)
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  10. #9
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    I wish I had those rates. Here in Galivornia it's a little higher.


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  12. #10
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    How in the world do you get paid 16 cents per kWh to use electricity? If there were some way for a computer to check the hourly prices, I could see investing in some powerwalls to snag -0.16 or any negative rate charging times to fill the battery, then turn around and use it whenever you need it.

    For a 2012, 9.6 kWh is the battery's capacity from empty to full. There are charging losses, so estimate 11-13 kWh. If it is really cold or really hot the car will use heat or AC to keep the battery in good shape.
    LLninja (greenback troll #1)
    2013 Volt G1 white diamond tricoat

    If I can get the guy in the mirror under control I can be skinny and rich.
    If you don't have the money, don't buy it. Debt is hazardous to your wealth
    Hidden Content Originally Posted by doctorq Hidden Content
    "what kind of mental problem do you have? you should really get yourself checked out, are you on any type of psychotropic medications?
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