Random EV thoughts.....

KCross wrote: »

If you are charging a Tesla each night it would be drawing an order of magnitude more electricity than the dishwasher so it wont be skewed at all!

A decent dishwasher would probably use 1-2kWh's. Your Tesla battery is, what, ~70kWh's!? I know you arent charging it from 0% but you get the idea!

50kWh battery, but I'd say at least 4 of the 5 nights, it only needed about 10/20% of charge, so no more than 10kWh per night max.
(I didn't even bother plugging in last night as I only used 10% yesterday)

I just have this thing now about only using dishwashers and washing machine on the night rate!! to save a few cent each night...... with a €50k car sitting on the driveway!!

JPA

AndyBoBandy wrote: »

50kWh battery, but I'd say at least 4 of the 5 nights, it only needed about 10/20% of charge, so no more than 10kWh per night max.
(I didn't even bother plugging in last night as I only used 10% yesterday)

I just have this thing now about only using dishwashers and washing machine on the night rate!! to save a few cent each night...... with a €50k car sitting on the driveway!!

If you only took 50 kWh charging the car and 68kWh on other things over 6 nights then something is very wrong! You are surely charging more than you think there.

Washing machines and dishwashers don't use much power really.

yeah, I'm sure I charged more that 50kWh over that period, but not exactly sure how much. a few days I charged to 90%, and some to only 80%. I'd say at least 2 nights alone I'd have taken about 25kWh per night, then maybe 40-50 over the other 3-4 nights

Our dishwasher uses just 1kW per eco cycle. Washing machine about 1.2kW per cycle. Dryer about 2-2.5kW per cycle. Fridge about 450W per day.

Did you leave the immersion on?

AndyBoBandy wrote: »

50kWh battery, but I'd say at least 4 of the 5 nights, it only needed about 10/20% of charge, so no more than 10kWh per night max.
(I didn't even bother plugging in last night as I only used 10% yesterday)

I just have this thing now about only using dishwashers and washing machine on the night rate!! to save a few cent each night...... with a €50k car sitting on the driveway!!

Gotta pay for it somehow!

We halved our electricity bill, using 12000-14000 kWh p/a, by using night rate

Everything has a delay timer these days so its not an issue to run at night.

checked again this morning, used 31kWh last night (car needed 50% charge ~25-27kWh)

AndyBoBandy wrote: »

checked again this morning, used 31kWh last night (car needed 50% charge ~25-27kWh)

Charging would also have some loses due to heat/resistance etc. Did you have anything else running to account for those other 4-6kWh?

Black_Knight wrote: »

Charging would also have some loses due to heat/resistance etc. Did you have anything else running to account for those other 4-6kWh?

Just a dishwasher program, but in the house I have 2 computers that are always on iMac & work laptop (2 screens) albeit in standby mode at night, and she has 2 computers also on 24/7. The house is also loaded with about 55 Philips Hue smart bulbs which are 'always on', but draw a very small amount when in the off state, but still, 54 of them would add up), then theres fridge, 2 TV's on standby, sat boxes, routers, hubs & extenders, 2 sets of speakers (always on) etc... so theres probably enough on in the house, all adding up.

I worked out my kWh Day/Night rates based on my current price plan and discounts included (8.5%), and I get;

Day rate: €0.1697
Night rate: €0.0838

I don't need to charge the car tonight, so I'll check the night meter reading again now, and again at 8am to see what the house is drawing minus the car plugged in.

AndyBoBandy wrote: »

Just a dishwasher program, but in the house I have 2 computers that are always on iMac & work laptop (2 screens) albeit in standby mode at night, and she has 2 computers also on 24/7. The house is also loaded with about 55 Philips Hue smart bulbs which are 'always on', but draw a very small amount when in the off state, but still, 54 of them would add up), then theres fridge, 2 TV's on standby, sat boxes, routers, hubs & extenders, 2 sets of speakers (always on) etc... so theres probably enough on in the house, all adding up.

I worked out my kWh Day/Night rates based on my current price plan and discounts included (8.5%), and I get;

Day rate: €0.1697
Night rate: €0.0838

Actually just had a look at my latest bill:
515 night units, 315 of which were to the car.
200 non-car night units
Breaking that down, it's:
- 19kWh for dishwasher
- ~100kWh for laundry (though my wife can't help herself from throwing on the odd wash during the day)
- ~200Wh for the fridge overnight
Over 61 days, that's 3.27kWh per night. 1.12kWh per day of which I cannot account for. Just the base load on the house (mini pc, standby devices, cameras, smart things)

[Deleted User]

Do you think the EV grants will disappear soon to help pay for the coronavirus ?

unkel

A massive tax on diesel would help much better to fight coronavirus...

A lot of people wouldn't die from it or wouldn't need a ventilator if we had less air pollution.

mp3guy

unkel wrote: »

A massive tax on diesel would help much better to fight coronavirus...

A lot of people wouldn't die from it or wouldn't need a ventilator if we had less air pollution.

Not many people buying diesel to commute to home. Sure some people are still out and about but a huge amount of people aren't going anywhere, ICE or BEV.

NIMAN

Don't forget with the clocks moving last weekend, your window for night rate electricity has shifted too.

Its now 00:00 to 09:00.

mp3guy

NIMAN wrote: »

Don't forget with the clocks moving last weekend, your window for night rate electricity has shifted too.

Its now 00:00 to 09:00.

I never need a full charge so just scheduled my car to charge between 00:00 and 08:00 so I never need to worry about the night rate window.

kennethsmyth

NIMAN wrote: »

Don't forget with the clocks moving last weekend, your window for night rate electricity has shifted too.

Its now 00:00 to 09:00.

Set it from 0.00 to 8.00am and you never need to change it for DST

KCross

mp3guy wrote: »

I never need a full charge so just scheduled my car to charge between 00:00 and 08:00 so I never need to worry about the night rate window.

kennethsmyth wrote: »

Set it from 0.00 to 8.00am and you never need to change it for DST

Snap!

Set it 4 years ago and havent changed it since!

For any newbie Leaf owners, a useful tip is to not set the start time(leave it blank) and only set the end time and the car will decide itself what time it starts the charge session based on how low it is and will always be fully charged by the end time... 8am in my case, so always within night rate hours and always fully charged just before I leave for the day (until C19 arrived, of course!)

I set mine to start charging at 2am, as it would so far only need 2-3 hours charging to get to the 80% or so I've it set to.

Means it starts charging long after the dishwashers have finished, and is finished well before the morning washing machine cycle that's set.

zg3409

kennethsmyth wrote: »

Set it from 0.00 to 8.00am and you never need to change it for DST

Just be aware the time on the esb clock may not be 100% correct. In theory the newer ones get the time sent to them, but setting for 00:15 is safer or look at time on esb meter. I have seen older ones way off

NIMAN

kennethsmyth wrote: »

Set it from 0.00 to 8.00am and you never need to change it for DST

Yeah I do that too, but just in case others have it set from 11pm.

I had set for 11, and moved to 00.00 at the weekend
I'm not driving much at all these days, as someone usually doing 50-60k a year this is great!

Once a week theres a 30km return to the nearest Tesco (usually a friday morning at 8am to minimise contacts) and other than that, it's charging a few % every 3rd night to keep the car at 75%.

Wake up at 850 and roll out of bed into the office!

Silent Running

NIMAN wrote: »

Don't forget with the clocks moving last weekend, your window for night rate electricity has shifted too.

Its now 00:00 to 09:00.

Or in my case 01:23 until 10:23. The meter clock is wrong. I'm not complaining though as later in the morning suits me fine.

DrPhilG

kennethsmyth wrote: »

Set it from 0.00 to 8.00am and you never need to change it for DST

Me too.

I leave for work at 8 or just after so it suits me fine.

Much prefer 00:00->09:00. Up at 7 anyways, so gives me time to get a 2nd wash or tumble dry on in the morning. 11pm was no help, though this is likely exactly what off peak should be. The times you aren't actively using electricity.

I also prefer the 00:00 - 09:00 time, as it allows you to get more usage in the morning like kettle/coffee machine/toaster etc.. (and you can set the washing machine to come on an hour later so it's spin cycle doesn't wake everyone up).

Since my day/night meter was installed on 17th February, I've used 328kWh on days, and 370kWh on nights, and only have the EV 16 days, and not done a huge amount of charging since getting it! (If I had a 24 hour meter during the same period, I'd have paid around €40 more for the same 698kWh used, so in about 6 weeks, I've already got back in savings the additional standing charge for having day/night rates)

53% of my usage has been at night rate so far!

Fairly happy with that.

Bob had mixed emotions for the Mercedes EQC, and enlightened me as to why I got such a slow charging speed at portlaoise all those months ago when I did my IKEA run. He was only getting 36kW from the fast charger. From what I remember I was only pulling in about 30 odd kW/h, and I certainly had the same failed connectivity issues he was having.

Black_Knight wrote: »

Bob had mixed emotions for the Mercedes EQC, and enlightened me as to why I got such a slow charging speed at portlaoise all those months ago when I did my IKEA run. He was only getting 36kW from the fast charger. From what I remember I was only pulling in about 30 odd kW/h, and I certainly had the same failed connectivity issues he was having.

It was a great real world review showing the unquestionable positives but also the real world negatives of owning an EV without 3 phase AC and without widespread fast charging capability.

Kramer

ELM327 wrote: »

It was a great real world review showing the unquestionable positives but also the real world negatives of owning an EV without 3 phase AC and without widespread fast charging capability.

It was a review of the poor state of ECars charging infrastructure IMO.

Bob wanted to use the 22kW charge points because they would have been free

.
He could have made his way to an Ionity location where the Mercedes is one of the fastest charging EVs available, pulling 110kW & holding a high charge rate right up to 90%+.
25 mins would have seen him add over 50% range.

It has a 7.4kW AC charger on-board too IIRC. That's almost enough to fill it every night on cheap night rate electricity. Anyone commuting 2/300km per day or passing an Ionity site on an occasional long journey wouldn't have any issue in the EQC.
Another anti EV "review" really, misinformed & amateurish

He's right though. 22kW for free vs 36kW paid and 45 min time limit.
We're all EV aficionados, the advantage of reviews like Bob's is that it shows the opinion of john down the pub. At the end of the day, these are the people who buy corollas or qashqais or dusters on pcp and these are who EVs will work besst for

liamog

Kramer wrote: »

It was a review of the poor state of ECars charging infrastructure IMO.

Must be a good car then, last time he concentrated on the infrastructure as a way to condemn a car it was the 28kWh Ioniq.