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Best Electricity Plan for new EV Owners

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Comments

  • Registered Users, Registered Users 2 Posts: 983 ✭✭✭n.d.os


    They don't work. You'd honestly need to be doing very little milage to make it work. We have two EVs and the reality is that they both need to be charged for up to 8 hours every second night.


    When I worked it out it was cheaper to be on a 20c night rate than a 4 hour EV rate where I was paying a premium for the rest of the time the car was plugged in.



  • Registered Users, Registered Users 2 Posts: 983 ✭✭✭n.d.os


    I completely agree. I commute 3 days and my wife commutes 3 and between both EVs there is one plugged in every night for anywhere from 4 to 8 hours. The EV rate is designed to grab people's attention but most will go outside the four hour window so the data plan with Energia makes more sense. Day rates are very high at the moment so it's best to have a reasonably decent 9 hour window at night instead of 4 hours at 8c and the rest over 30c.



  • Moderators, Home & Garden Moderators Posts: 7,067 Mod ✭✭✭✭graememk


    Everyones definition of a little milage is different.

    But 2 EVs for you really changes the calculation, as you can't charge both at the same time, at full speed.

    I did look into the pinenrgy one, the commute is usually 80odd km, with the odd 200 or 300km commute.

    For the 80km, the pinenrgy would cover it, but if a 200-300 one cropped up we would nearly need to be keeping the car at 100% in prep for that, not counting any weekend travel. And then be trying to pay back that charge "debt" the rest of the time. I think we could make it work but it's not for us.

    Energias 4hr one is a bit better but sticking with the flogas DN for now.



  • Registered Users, Registered Users 2 Posts: 6,357 ✭✭✭crisco10


    2 EVs definitely changes the equation alright.

    The bare fact is that there is about 7500kWh available to you per year in a 3 hour window. Which at an average consumption of 20kwh per 100km translates to about 37000km driven.

    For one car that's got a chance to be sufficient. For two that could be hard when you add logistics of uneven spread of mileage across the year in on top of that.



  • Registered Users, Registered Users 2 Posts: 983 ✭✭✭n.d.os


    Yes, I think the unpredictability of weekends and longer trips makes the 4 hour plan hard to manage. I felt like we were constantly adjusting timers in each of the cars and some days one car might run a little too low as a result of a narrow charging window the night before. Even with one car sitting idle for a few days and the second car plugged in every second or third night, I couldn't get it to work.


    The 19.6c night rate for 9 hours on Energias Smart Data plan is the best I could find. I think ive a small discount on that too making it around 18.5c. I think Bord Gais had something decent too around the time I changed. The better rates tend to move around between suppliers. Last year everyone was on an SSE plan but they started price gouging customers back in August and their feed in system is also a bit dodgy because they only pay out twice a year. Im still waiting on them to pay me for feed in from May-September 2023. My old account shows no sign of them doing this without ringing them.



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  • Registered Users, Registered Users 2 Posts: 829 ✭✭✭CivilEx


    Curiosity is getting the better of me - do you have two separate home charging points or one charger that you swop between the cars on different nights?



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    I was tricking around on the BG site last night. In the discount drop down menu for 24hr electricity you can select 40% discount giving a rate of 24c, you can't go above 20% discount on any of the other plans, I'm sorry now I didn't go ahead and sign up, they probably wouldn't give it to me.



  • Registered Users, Registered Users 2 Posts: 5,780 ✭✭✭MojoMaker


    How did you get this if you don't mind me asking.



  • Registered Users, Registered Users 2 Posts: 2,232 ✭✭✭waterwelly


    Yes the low rate for a few hours is made to look attractive but you would need to be quite disciplined to maximise on it.

    We use a lot of showers and appliances from about 7am before the PV starts to kick in which would be at high rates if we went for the ultra low cost for a few hours.



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    I was on the laptop, and em drink was taken, but I'm certain I didn't dream it. It'll be tomorrow before I get to use the laptop again, sorry for being so vague.



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  • Registered Users, Registered Users 2 Posts: 983 ✭✭✭n.d.os


    We swap cars every second night on the same charger. One of the cars has a 77kwh battery and charges relatively fast. The other car with a 67kwh battery is relatively slow at charging, also affected by the brand of car. I average about 600km per week in the car with the smaller battery. My wife averages around 300km per week, her week varying more than mine.



  • Registered Users, Registered Users 2 Posts: 592 ✭✭✭ArraMusha


    Thanks fafy, I did the calculations based on my usage (54% I use at night) and 'if' I can continue to get an Energia night rate of 19c and a day of 37c on my non-smart meter it still works out cheaper than any of the smart plans available from Energia.

    Surprisingly..the Energia website no longer list a night rate for a non-smart meter...but when I rang up they did....



  • Registered Users, Registered Users 2 Posts: 494 ✭✭Metalpanic


    Yes I have actually! I was just talking to them today about it. I recently switched to the EV Drive Plan and couldn't understand why I was seeing a "peak" time usage so I asked them about it. They said their usage section shows the data as collected by ESBN. So while you see 4 tariff bands on usage, you are only charged for the applicable usage as per your plan. It's a work in progress apparently. Very poor UI.



  • Registered Users, Registered Users 2 Posts: 4,297 ✭✭✭TaurenDruid


    Energia's website seems to deliberately make it hard to compare plans!

    ===
    boards.ie default cookie settings now include "legitimate interest" for >200 companies, unless you specifically opted out!



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    I had another gander using the phone. Select the menu on the left, our tariffs explained, then you can select the discount from the drop down menu, I think it's only there to torment me, sorry about that I thought I had gotten lucky there.



  • Moderators, Home & Garden Moderators Posts: 7,067 Mod ✭✭✭✭graememk


    Energias DN disappeared from the website at the start of the year.

    You can get it if you put in your mprn, if you have a DN meter



  • Registered Users, Registered Users 2 Posts: 404 ✭✭Mythago


    The Smart EV rates also don't suit early risers! I leave for work at 4:45am so, a smart meter is not an option for EV Charging. DN meter works best for me



  • Registered Users, Registered Users 2 Posts: 7,314 ✭✭✭KCross


    One of the cars has a 77kwh battery and charges relatively fast. The other car with a 67kwh battery is relatively slow at charging

    Intrigued... You get different speeds on your home AC charge point for the two cars?

    Since they are both large batteries I assume they are both modern cars and both 32A capable so they should both charge at practically the same rate and the 67kWh car should complete quicker because its got a lower capacity battery.


    What rate does the 67kWh car charge at? What make/model is it?



  • Registered Users, Registered Users 2 Posts: 2,636 ✭✭✭fafy


    Intrigued also, we have 2EV’s, Andersen A2 charger, the E Niro charges at a max of 6.8kw, and my i3 charges at a max of 7.1 kw, and its not load balancing, its always been like this, but thats a relatively small <5% difference, which i have always put down to better German engineering !



  • Moderators, Society & Culture Moderators Posts: 40,649 Mod ✭✭✭✭Gumbo




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  • Registered Users, Registered Users 2 Posts: 7,314 ✭✭✭KCross


    I think some EVs are limited to 30A so that would be the 6.8kW.

    Others would charge at 31A or 32A but you’d hardly notice the difference between those because, as you said, it’s only 5% difference. Ndos mentions it being “relatively slow” so it must be much slower to notice it.



  • Moderators, Home & Garden Moderators Posts: 7,067 Mod ✭✭✭✭graememk


    I have a Niro, If the grid voltage is high Ive seen it get closer to 7.2 but I wonder is it where the power is measured, On the DC side of the battery or the AC side.

    My charge point reads 32 amps on the AC side anyway.



  • Registered Users, Registered Users 2 Posts: 423 ✭✭legend99


    Just wondering if anyone can help on this? The Energia 8c 4 hour plan is limited to 500kw a month? So 500kw, assuming what, 17kw per 100km(???) for city type driving gives you a little under 3,000km a month? Would that be correct?

    Does anyone then know if you use more than the 500kw what the rate is? I find their website very difficult to understand.....



  • Registered Users, Registered Users 2 Posts: 249 ✭✭cromelex


    It's 1000kWh averaged over 2 months.

    Your calculation is correct for the km.

    If you go over this for the 2-6AM timeslot, then the price goes up to 9.38c for the additional units.



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    Which isn't bad in fairness, I'm strongly thinking of going for it, the standing charge is good too.



  • Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭tommythecat


    If you don't have high mileage and just one EV it's a no brainer.

    4kwp South East facing PV System. 5.3kwh Weco battery. South Dublin City.



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    I'm using about 35-40Kw a week in the car I'd never come near the 500Kw limit.



  • Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭tommythecat


    The 4 hour window will put in around 28kW so think it would suit you very well.

    4kwp South East facing PV System. 5.3kwh Weco battery. South Dublin City.



  • Registered Users, Registered Users 2 Posts: 10,170 ✭✭✭✭CoBo55


    Even if I could persuade the missus to set the dishwasher for the window and in the summer use the immersion to heat the water instead of using the oil I'd be sorted.



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  • Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭tommythecat


    Absolutely. Same as you. I have set the immersion to heat the water in the morning from 5-6 so that saves using the oil for that and is incredibly cheap.

    4kwp South East facing PV System. 5.3kwh Weco battery. South Dublin City.



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