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Electric vehicles

Mars · 2021-03-09T22:02:11Z

I have a sustainability question about electric vehicles. How long do the batteries last in these cars, and how much less CO2 are they emitting than diesel or petrol cars? I know very little about them – on average, how large are their batteries, and how much power is required to charge them from empty to full (approximately)? Does anyone here have an EV?

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Mars

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Topic starter 12/05/2021 6:28 am

Thanks guys. Are the charging connectors/points on EVs standardized and all the same? If we install a charger at our house, would a Tesla, Nissan and other EVs all use the same charger?

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Mars

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Topic starter 12/05/2021 6:33 am

E-Niro and MG6 look really nice, but too swanky for us now. We’ve banged and bashed up our BMW 4x4. Maybe we have to hold out for the pick up trucks. Will have a look at Isuzu. Are there any EV grants?

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Mars

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Topic starter 12/05/2021 6:37 am

Not sure how many of these are going to be affordable: https://www.discoverev.co.uk/features/top-six-electric-pickups-heading-for-production

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JulianC

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12/05/2021 7:20 am

@editor the wall charger access points are pretty standard. You can get a tethered or not tethered (with or without a cable). There are three connector types - Chademo, CCS & Tesla. Chademo is really disappearing in Europe as only Nissan Leaf and older Mitsubishi use it. So CCS or Tesla is the choice. Tesla proves CCS converter. So I’d install a CCS point. Your choice tethered or not. We have a cable attached as it’s less faff getting your cable out the car each time. But you have to carry a cable as slower public charging points don’t have cables. So an untethered charge point is cheaper too install.
There is a £350 grant currently to install a home charge point.
And a £2500 towards an EV if it’s less than £35,000 new. But the rules / payments change.
Check out second hand Renault Zoe or Nissan Leaf as a second car

Daikin Altherma 3H HT 12kWh ASHP with Mixergy h/w cylinder; 4kW solar PV with Solic 200 electric diverter; Honda e and Volvo EX30 Ultra Twin Performance electric vehicles with Myenergi Zappi mk1 & Ohme chargers

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Mars

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Topic starter 12/05/2021 8:19 am

Thanks Julian. What's the approximate price for an installation point? I'm guessing the £350 doesn't go a long way?

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Mars

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Topic starter 12/05/2021 8:26 am

And the other question I had is with the new iteration of EVs, I'm guessing they'd double up as batteries over night? I'm assuming you need additional kit to automate this process. There's so much reading to do.

What's the battery size in your EV Julian?

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JulianC

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12/05/2021 8:34 am

Mars, this is a useful website for indicative charger price installation:

https://www.smarthomecharge.co.uk

Need to get more quotes.

Your second point is about Vehicle to Grid (V2G). This is the future. Only currently being trialled with Nissan and Chademo connection. Octopus Energy are doing a trial. CCS is coming but 2-3 years away.

My Honda e has a small battery - 35kWh. But still massive compared to a hone battery. A Tesla could have a 100kWh battery.

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Mars

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Topic starter 13/05/2021 8:00 am

@julianc, very interesting. The V2G solution seems sensible because as opposed to spending £10k on batteries, that money could go towards a car.

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JulianC

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13/05/2021 8:11 am

Totally agree Mars. That’s why I haven’t invested in a battery. I can’t make the numbers work. But V2G is a different story. Although the V2G charger units are very expensive at the moment - £5.5k or so

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Mars

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Topic starter 14/05/2021 8:40 pm

@julianc, the price of being early adopters is always so punishing.

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foggy

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06/06/2021 6:50 pm

I have been driving an EV for 5 years, and V2G seems to be one of the technologies that is always 'Coming Soon'.

I don't think a lot of the current EV's that have the CCS connectors are capable of doing V2G. As CCS is the standard for rapid charging on most new EV's, it is a technology that is still a while off.

As for the concern over battery degradation, don't worry about it. The industry was very naturally cautious when mainstream EV's were launched about 10 years ago, as the battery technology was a bit of an unknown quantity. The Nissan Leaf did suffer with some issues because it has a battery that has no active cooling/heating. In most other EV's, the battery temperatures are actively managed so it is not much of an issue.

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Mars

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Topic starter 06/06/2021 9:37 pm

Thanks @foggy and welcome to the forums. An EV is definitely on the cards, and we may hold off till V2G is available, as that would make a lot of financial sense.

Thanks for the rundown and explanation on battery degradation. That would be my biggest concern about EVs because replacement costs will be very high.

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