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Free running of an EV?

  • 27-05-2021 12:47pm
    #1
    Ish66
    Registered Users, Registered Users 2 Posts: 462 ✭✭


    I am not too techy so forgive me.
    Apart from the cost of the car and maintenance etc, Could you charge an EV using a solar panel or 2 ? Forget the house electricity and all that How many panels ? would you need just to run the car ?


Comments

  • #2
    Alkers
    Registered Users, Registered Users 2 Posts: 6,868 ✭✭✭Alkers


    Ish66 wrote: »
    I am not too techy so forgive me.
    Apart from the cost of the car and maintenance etc, Could you charge an EV using a solar panel or 2 ? Forget the house electricity and all that How many panels ? would you need just to run the car ?

    You'd probably need about 2.5kw of panels to get any sort of charge into the car, and you'd need a smart charger that can take the surplus solar power only as opposed to just charging at the max capacity of the charger.

    Panels are typically between 300-400W each so about 7 panels needed and would cost about 2500e

    Query is somewhat redundant as it costs circa 1/10th the cost of an ice


  • #3
    KCross
    Registered Users, Registered Users 2 Posts: 12,136 ✭✭✭✭KCross


    Ish66 wrote: »
    I am not too techy so forgive me.
    Apart from the cost of the car and maintenance etc, Could you charge an EV using a solar panel or 2 ? Forget the house electricity and all that How many panels ? would you need just to run the car ?

    No is the short answer.

    The min power required to start a charge session is 1.4kW so you’d need 4+ panels running at full tilt to start a charge and even then it would take days to charge one of today’s long range EVs and the small detail that the car needs to be plugged in at home during the peak sunshine hours.


  • #4
    Ish66
    Registered Users, Registered Users 2 Posts: 462 ✭✭Ish66


    Alkers wrote: »
    You'd probably need about 2.5kw of panels to get any sort of charge into the car, and you'd need a smart charger that can take the surplus solar power only as opposed to just charging at the max capacity of the charger.

    Panels are typically between 300-400e each so about 7 panels needed and would cost about 2500e

    Query is somewhat redundant as it costs circa 1/10th the cost of an ice

    ice ?


  • #5
    Ish66
    Registered Users, Registered Users 2 Posts: 462 ✭✭Ish66


    KCross wrote: »
    No is the short answer.

    The min power required to start a charge session is 1.4kW so you’d need 4+ panels running at full tilt to start a charge and even then it would take days to charge one of today’s long range EVs and the small detail that the car needs to be plugged in at home during the peak sunshine hours.
    Thank you for the short answer without if's or but's etc. I am happy now.


  • #6
    slave1
    Moderators, Sports Moderators Posts: 19,192 Mod ✭✭✭✭slave1


    Alkers wrote: »
    Y

    Panels are typically between 300-400e each so about 7 panels needed and would cost about 2500e

    Think you are well off the mark there, hovering just over a ton at the minute

    Back to OP, the answer is no, I have a 6kWp array and had a great day yesterday putting 26kWh into the EV, we don't get weather like that in Ireland consistently and also the car was plugged in all day.
    You can forget about charging from Nov-Feb, you'll get nothing


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  • #7
    PaulRyan97
    Registered Users Posts: 483 ✭✭PaulRyan97


    Ish66 wrote: »
    ice ?

    ICE - Internal Combustion Engine


  • #8
    KCross
    Registered Users, Registered Users 2 Posts: 12,136 ✭✭✭✭KCross


    Ish66 wrote: »
    I am happy now.

    If it were normal times I’d say your thread was an effort to settle a pub bet! :)

    Did you win the bet? :)

    Are you considering an EV or Solar panels? Or was it just a general wondering?


  • #9
    Ish66
    Registered Users, Registered Users 2 Posts: 462 ✭✭Ish66


    slave1 wrote: »
    Think you are well off the mark there, hovering just over a ton at the minute

    Back to OP, the answer is no, I have a 6kWp array and had a great day yesterday putting 26kWh into the EV, we don't get weather like that in Ireland consistently and also the car was plugged in all day.
    You can forget about charging from Nov-Feb, you'll get nothing
    I was amused at your sig, selling a Nissan leaf !:D


  • #10
    Alkers
    Registered Users, Registered Users 2 Posts: 6,868 ✭✭✭Alkers


    slave1 wrote: »
    Think you are well off the mark there, hovering just over a ton at the minute

    Typo - should have been watts not euro!


  • #11
    Ish66
    Registered Users, Registered Users 2 Posts: 462 ✭✭Ish66


    KCross wrote: »
    If it were normal times I’d say your thread was an effort to settle a pub bet! :)

    Did you win the bet? :)

    Are you considering an EV or Solar panels? Or was it just a general wondering?
    The latter !


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  • #12
    dickdasr1234
    Registered Users Posts: 508 ✭✭✭dickdasr1234


    Alkers wrote: »
    Typo - should have been watts not euro!
    They cost 2500w?


  • #13
    kanuseeme
    Registered Users, Registered Users 2 Posts: 1,926 ✭✭✭kanuseeme


    fe10aead-86f3-4495-b163-f058904d1eae.JPG

    Its a toyota prius plug in, I beleive something like 5 km a day from the solar panel, probably optimal sunshine on the equator to get that range a day.

    Its an extra, costing around 2000 euro, so not worth it, also it only charges the battery when parked.:D:D:D:D

    https://www.webdoctor.ie/online-prescriptions/#:~:text=Through%20an%20online%20medical%20questionnaire%2C%20face%2Dto%2Dface%20consultation,to%20booking%20a%20video%20consultation. not affiliated, just being helpful.



  • #14
    Lantus
    Registered Users, Registered Users 2 Posts: 3,027 ✭✭✭Lantus


    kanuseeme wrote: »
    fe10aead-86f3-4495-b163-f058904d1eae.JPG

    Its a toyota prius plug in, I beleive something like 5 km a day from the solar panel, probably optimal sunshine on the equator to get that range a day.

    Its an extra, costing around 2000 euro, so not worth it, also it only charges the battery when parked.:D:D:D:D

    That's not an indicator, but it is a type of virtue signal.


  • #15
    Alkers
    Registered Users, Registered Users 2 Posts: 6,868 ✭✭✭Alkers


    dickdasr1234 wrote: »
    They cost 2500w?

    For 2.5kW array installed yes


  • #16
    eddhorse
    Registered Users, Registered Users 2 Posts: 5,783 ✭✭✭eddhorse


    This might be informative, obviously this guy gets more sun than Ireland.

    https://www.youtube.com/watch?v=_4zOVhjSbY8


    https://www.youtube.com/watch?v=0yDVXJmsowU


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