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Re:West London faces new home ban as electric grid at capaci... by Wildgoose on Thursday July 28, 2022 @04:49AM (#32261856)
If West London electricity grid has already hit capacity, what about the ban on sales of new internal combustion cars from 2030, in just eight years time?

It's not exactly "joined-up" thinking.

Re:West London faces new home ban as electric grid at capaci... by bluescrn on Thursday July 28, 2022 @05:39AM (#32262262)
I strongly suspect that ban will be delayed. There's still no serious effort to build large-scale public EV charging infrastructure.

The ban on new petrol vehicles seems likely to result in more older (higher-emission) vehicles remaining on the road for longer, as EVs still remain 'toys for the wealthy', far too expensive for the working class (who rely on inexpensive used cars).

It's unclear what the used EV market is going to look like longer-term in terms of pricing, degraded battery packs, and reduced range, and availability of repair/servicing for a vehicle that's now a 'tech product' full of software locks, that can only be repaired by authorised dealers, rather than by any skilled mechanic.

It's also unclear how governments are going to tax EV users to recoup the huge amount of fuel tax lost from the switch to EVs...

Re:West London faces new home ban as electric grid at capaci... by paulb73 on Thursday July 28, 2022 @07:10AM (#32262820)
The used market is what really concerns me with the EV market, when it comes to sustainability. My daughter will be driving in 2 years time and is adamant she won't drive something powered by fossil-fuels.

However, what choice does she have? Any used EV will have a range of 50 miles, and that is after a full 8 hour charge. Fixing/replacing the battery will cost far more than the vehicle itself.

More recent EVs 2nd-hand price is still higher than a new petrol-based one.

I can't see how the market can support itself, without efforts to create batteries that can be recycled easily, but the manufacturers don't seem to have an interest in that.

Re:West London faces new home ban as electric grid at capaci... by Lutger on Thursday July 28, 2022 @11:35AM (#32265758)
Where is your 50 miles number based on? Seems really far off to me.
Re:West London faces new home ban as electric grid at capaci... by paulb73 on Thursday July 28, 2022 @12:22PM (#32266472)
I was looking at old EVs, 10+ years old, that my daughter could afford herself for £3k - £5k.

It might be that more recent cars retain their range better after 10 years, but then they may also retain their price.

Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @08:14AM (#32263251)
This is a nice summary of all the usual talking points that aren't true.

The ban has already been brought forward in multiple jurisdictions, that's the general trend, as people realise all the lies they've been told about EVs aren't true, so delaying it would be very surprising. In London, they have the low emission zones on top of that, so any poor person buying an old ICE car for use in London would be paying hefty sums to drive around.

There's multiple serious efforts to build large-scale public (and private) EV charging infrastructure. Why do you think there isn't? How can you think that? They're popping up everywhere.

The ban doesn't even ban PHEVs currently (though there's reasonable chance that it will be strengenthed in some way as the transition accelerates) so even ignoring all EVs with lower TCO than equivalent ICE cars available today, which will be 8 years old in 2030, there's also tons of hybrids for these poor people to buy.

Degraded battery packs? Now that's a classic, thought that one had died out, along with "toys for the wealthy".

The "fuel tax" is more than made up for by all the many benefits of EV (less pollution being a key one) that society gets, but it's good that governments will probably tax EVs as cars, even EVs, have multiple negative externalities that the people who use them should pay for, so the people cycling or on the train don't need to pay for other people's bad decisions. Otherwise we'll end up with inefficient American sprawl rather than healthy, livable cities.

Re:West London faces new home ban as electric grid at capaci... by yobbo on Thursday July 28, 2022 @08:51AM (#32263605)
> Degraded battery packs?

Do car batteries not degrade? How are they different from other batteries?

> The "fuel tax" is more than made up for by all the many benefits of EV

From the government's perspective, it's lost cash flow.

Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @08:57AM (#32263653)
We have a decade of data on the question of how much degredation there is for EVs. Short answer, not much.

https://storage.googleapis.com/geotab-sandbox/ev-battery-deg...

In the UK, the government also pays for the dementia and asthma that the car pollution creates, and importing the fuels is a cost, as is the lost efficiency, cost of meeting net zero targets and upgrading the grid (which EVs help with) so it evens out.

As I say, they'll probably start taxing them anyway, and thats good, London has a "Congestion Charge" so exceptions for EV make sense as a short term incentive, but they still cause "congestion" and should still pay.

Re:West London faces new home ban as electric grid at capaci... by yobbo on Thursday July 28, 2022 @09:24AM (#32263941)
In some degradation curves for lithium batteries, it looks like degradation is linear down to 80% over around 150 cycles. From then it degrades to 0% over another 100 cycles.

From the curves in your link, it seems EVs have fewer cycles per year than mobile phones or laptops.

But after 15-20 years, their batteries will still most likely be dead.

Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @09:35AM (#32264076)
Average age of cars in the UK is 8.4 years, it's growing, but slowly, the 13 years+ segment is about 1/5 of the total, so as long as 1 out of every 5 batteries makes it that far, we'll be fine, anything better than that is a plus. Plus we can start making the new batteries from the 20 year old dead batteries rather than mining fresh materials for them, if we can't find any other use for them.
Re:West London faces new home ban as electric grid at capaci... by sanitycheck on Thursday July 28, 2022 @10:00AM (#32264387)
The average /lifespan/ of a car in the UK appears to be 13 years which I think means we currently expect half of cars to be used for longer than that. EV batteries apparently have 7-8 year warranties, I assume that's the result of a lot of careful consideration.

We can expect battery tech to improve in the next 8 years, and hopefully become cheaper, but a move to EVs could still drastically limit availability of cheap vehicles for those who need them.

Re:West London faces new home ban as electric grid at capaci... by bluescrn on Thursday July 28, 2022 @09:05AM (#32263734)
How do you expect to create "healthy, livable cities" at a time when cities are in decline, perhaps even becoming obsolete? First, the internet killed physical retail, recently, the pandemic killed more businesses/opportunities and caused an exodus of WFH-ers, and in some cities there's a very visible rise in crime, drugs, and homelessness.

Removing private cars from cities won't revolutionise them, when the roads are still going to be full of commercial vehicles, buses, and taxis. Yeah, it'll make it somewhat safer for cyclists and reduce air pollution and noise a little - but not enough to turn a declining urban dystopia into a desirable place to live.

Unless of course, you're very wealthy and can live in a luxury apartment with good security and plenty of distance from the 'rough areas'.

Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @09:27AM (#32263974)
> Removing private cars from cities won't revolutionise them, when the roads are still going to be full of commercial vehicles, buses, and taxis

That sounds pretty revolutionary to me already? Why don't you think so?

There's lots of existing plans to improve those other things too, pedestrian only zones, car-free superblocks, e-cargo bikes replacing some commercial vehicles, bike shares, subways and metro systems, bus rapid transit corridors, seperated bike-lanes, mixed-usage districts so that people have everything they need within a walkable radius.

Plan for cars and you get cars, plan for people and you get people.

Even if I accept your premise that cities are descending into "Escape from New York" territory, how does allowing ICE cars to spew pollution do anything but make that worse?

Re:West London faces new home ban as electric grid at capaci... by ceras on Thursday July 28, 2022 @01:56PM (#32267939)
> at a time when cities are in decline

Do you have a source for that? Here in NYC things seem as popular as ever, with record-breaking rents due to high demand. Is it different elsewhere?

Regardless, even if it's true that some cities are struggling, that only makes it more important for them to focus on improving quality of life: a rise in WFH means people have more options, and a city that doesn't want to depopulate has to be an attractive place to live independent of economic opportunity.

Re:West London faces new home ban as electric grid at capaci... by sph on Thursday July 28, 2022 @04:56AM (#32261905)
All politicians from now to the 2030s will be jumping on the "ban petrol cars" bandwagon because it will bring them a lot of votes, but it's an unrealistic goal we will never achieve and we will find ourselves in 10 years with no widespread electric network, a lot of broken promises and a even warmer Earth.

As a climate change alarmist, I consider any "ban on X in < 20 years" promise as wishful thinking or a populist lie, which will eventually turn into a huge cash-grab and tax reliefs for their lobbyist friends that will have gotten into electric by then.

I admire all those that still believe their favourite party will fight climate change.

Re:West London faces new home ban as electric grid at capaci... by tpxl on Thursday July 28, 2022 @05:19AM (#32262091)
As someone with similar concerns, how far do you think solar can take us? An average solar roof with ~10kWp of solar panels with a battery (an electric car?) should be enough to cover most of the needs of the house, leaving just the car as an external user.

That, and with smart charging (ie off-peak) we could smooth the consumption curve, meaning we could use non-elastic generation (nuclear, ..?) more?

Re:West London faces new home ban as electric grid at capaci... by dbetteridge on Thursday July 28, 2022 @05:40AM (#32262270)
Going to be much more challenging in Europe and cooler climates with less sunshine.

Sunny places like Australia are having the problem of too much solar on the grid now and looking at community batteries and EV charging as ways to offset that and stabilise things.

Re:West London faces new home ban as electric grid at capaci... by tpxl on Thursday July 28, 2022 @05:53AM (#32262353)
I'm at +45° north and it should work fine here (I'm basing all my assumptions on where I live). It most definitely wouldn't work in Sweden and Norway, but France and maybe even northern Germany should be fine?
Re:West London faces new home ban as electric grid at capaci... by sanitycheck on Thursday July 28, 2022 @06:18AM (#32262514)
I just did some quick calculations (which might be wrong, but maybe not by orders of magnitude) based on reported numbers on the internet. It seems that powering a medium sized air source heat pump purely on solar in a UK winter would require a £34K investment in solar panels, covering nearly 300 square metres. Not exactly viable per property in city-density housing.
Re:West London faces new home ban as electric grid at capaci... by tpxl on Thursday July 28, 2022 @06:26AM (#32262577)
City dense will never work since skyscrapers have ridiculously low roof amounts compared to the populace.

Also, as far as heating goes, passive houses should need almost nothing for the winter (still need to heat water for showering, etc. though).

E: Can you share your numbers? A 10kWp plant that I had in mind is ~50m^2 - 30x330kWp panels at about 1.6m^2 each, so did you mean you actually need a 60kWp plant?

Re:West London faces new home ban as electric grid at capaci... by sanitycheck on Thursday July 28, 2022 @07:05AM (#32262796)
Sorry, I didn't save the numbers.. But yeah, sounds right - based on reports that we can only expect 1/5th of the output per panel in winter.

"Passive houses" are not going to happen in the UK for the vast majority of the population in my lifetime!

Re:West London faces new home ban as electric grid at capaci... by vetinari on Thursday July 28, 2022 @06:13AM (#32262493)
45N is basically northern Mediterranean; most of Europe does not have similar climate. It does not work fine even at 48N during november-february.
Re:West London faces new home ban as electric grid at capaci... by Ekaros on Thursday July 28, 2022 @05:56AM (#32262374)
Makes one to think how much of the solar capacity will end up simply unused during peaks. That is it is there, but the relays have disconnected it. As we simply will not have enough places to sink it all and for grid stability you can't produce more than you use...
Re:West London faces new home ban as electric grid at capaci... by dvfjsdhgfv on Thursday July 28, 2022 @06:23AM (#32262552)
Unfortunately one of the biggest technical problems with renewables is that we still lack an efficient way to deal with energy storage. It's still relatively expensive, inefficient, and creating waste. Maybe in 20-30 years you will be able to live in the winter using the energy produced during the summer and stored in batteries that are cheap and 100% recyclable, but it's not a reality yet.
Re:West London faces new home ban as electric grid at capaci... by sph on Thursday July 28, 2022 @10:43AM (#32265022)
20-30 years is optimistic IMHO. We're still a huge technological breakthrough in batteries away for large-scale, high-capacity energy storage to be viable.

It might happen, but the technology still isn't there, yet we're going all in on renewables, especially in countries like Germany and Italy where nuclear is politically toxic.

Re:West London faces new home ban as electric grid at capaci... by implements on Thursday July 28, 2022 @06:16AM (#32262507)
“PV Diverters” supposedly remedy that problem. They use current transformers to detect when the home’s solar supply is outstripping its demand, and then switch on power consuming devices like electric water heating / air conditioning so the power isn’t wasted.
Re:West London faces new home ban as electric grid at capaci... by vetinari on Thursday July 28, 2022 @06:09AM (#32262474)
10kWp is not enough during winter (november-february) in most of Europe. It would be enough only if you heat by using something else (like gas), not heat pump.
Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @08:18AM (#32263295)
Climate change alarmists don't call themselves "climate change alarmists", that's what climate change deniers call people who don't deny climate change.
Re:West London faces new home ban as electric grid at capaci... by hgazx on Thursday July 28, 2022 @06:03AM (#32262434)
Ban petrol cars is bringing votes from whom? I don’t know anybody who supports that.
Re:West London faces new home ban as electric grid at capaci... by TheLoafOfBread on Thursday July 28, 2022 @08:23AM (#32263336)
Look at country side in Eastern Europe. You think that people are driving around in cars made between 1990-2010 because they are fans of old tech? No they drive those cars, because they don't have money to buy something better.

And those guys are going to support anyone who is going to oppose ICE ban, because for people living on country side it will be absolutely unaffordable to have BEV with range of their current old ICE car.

Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @09:57AM (#32264356)
Why would people who drive 10-30 year old cars, and for whatever reason feel that they need an ICE car, vote against a ban on the sale of new ICE cars starting in a decade?

That doesn't even begin to affect their purchases for 20-40 years and even then, it still doesn't ban plug-in hybrids, that will be their best options for 10 year old cars in about 10 years time anyway?

It just makes no sense.

Re:West London faces new home ban as electric grid at capaci... by TheLoafOfBread on Thursday July 28, 2022 @11:17AM (#32265486)
Because BEVs which they will eventually get will have range of +-50km, which is much less than their current ICE cars for much more money. Is it really that hard to grasp it?
Re:West London faces new home ban as electric grid at capaci... by ZeroGravitas on Thursday July 28, 2022 @11:43AM (#32265895)
> Is it really that hard to grasp it?

Yes, it is. Are they intentionally not buying the second hand PHEVs Which will probably still be available to buy new at this point? Are they picking their cars at random? Or do they run some kind of rough calculation of expected running costs for their intended usage before they decide to buy it?

If so then the ones that only need 50km daily range can buy the BEV and save on gas, and the other ones can buy the PHEVs and still save on gas, which will probably be pretty expensive since we're talking about the year 2040 at the minimum if they really need to get a car exactly 10 years old, rather than their usual limit of up to 30 year old cars. People happy with 30 yeor old cars will only start to have problems car shopping in the 2060s

Re:West London faces new home ban as electric grid at capaci... by TheLoafOfBread on Thursday July 28, 2022 @07:42PM (#32271405)
You are missing the point. The whole thread is about the fact, that most people will be unable to afford a BEV and cheap ICE won't be available because arbitrary reasons. Those people will then actively vote for populists and they will put a brake or even reverse the green policies.

It is so patently ridiculous, when you are trying to sell old junk BEV as a superior product, while it can't even remotely do what previous ICE with similar age was able to do. People does not understand why they should use inferior product - junk BEV with burnt out battery - and that's the reason why they will be actively detracting any kind of green effort, because current policies are leaving those people behind. Frankly it seems to me that majority of society will be left behind by insensitive and expensive green policies.

Re:West London faces new home ban as electric grid at capaci... by Ekaros on Thursday July 28, 2022 @06:35AM (#32262638)
The vocal people on twitter and left-side of media? Actual voters really don't have much alternatives. At least not once they can vocalise and not get skewered by inclusive people.
Re:West London faces new home ban as electric grid at capaci... by Mvandenbergh on Thursday July 28, 2022 @06:05AM (#32262444)
The impact of domestic chargers with smart charging enabled (now mandatory) on maximum demand after diversity is not very large because they almost always end up charging in the middle of the night. Public chargers have a much bigger impact because they need to run when the customer plugs in and not later. Heat pumps have a massive impact because they have no diversity (when my house is cold, so are all my neighbours and probably it was cold yesterday and will be tomorrow as well).
Re:West London faces new home ban as electric grid at capaci... by TheLoafOfBread on Thursday July 28, 2022 @08:17AM (#32263284)
How most people can end up charging in the middle of the night, when 50% of people in EU are living in apartments, have no parking space and will be most probably using on Fast DC chargers?
Re:West London faces new home ban as electric grid at capaci... by Mvandenbergh on Friday July 29, 2022 @05:28AM (#32274779)
This story is specifically about West London, which is not the EU but I'll grant you has similar settlement patterns.

More than two thirds of car owners in the UK have access to off-street parking. Many people who do not have such access don't have a car in the first place.

This part of outer West London is particularly suburban, I would expect that number to be even higher there.

I would also expect a very substantial number of slow lamp-post chargers suitable for over-night charging to be installed instead of DC fast chargers.

Re:West London faces new home ban as electric grid at capaci... by LadyCailin on Thursday July 28, 2022 @07:54PM (#32271500)
Wait, where do these theoretical people park their car then? Either they have a parking spot which a charger can be installed at, or they don’t have a parking spot at all, and presumably just drive around endlessly?
Re:West London faces new home ban as electric grid at capaci... by Andys on Thursday July 28, 2022 @06:41AM (#32262671)
Electric cars are the problem but maybe also the solution, since they can be configured to feed power back into the grid at peak times (and peak spikes is the limiting factor)
Re:West London faces new home ban as electric grid at capaci... by TheLoafOfBread on Thursday July 28, 2022 @08:14AM (#32263255)
Well, I can already tell you that most of people are not going to participate, because it would take more cycles from already cycle limited battery.
Re:West London faces new home ban as electric grid at capaci... by Andys on Friday July 29, 2022 @04:59AM (#32274604)
Supplying the grid with say, 6kW for 1 hour during a peak load event, would only dent an EV battery by about 10% of total charge. And thats only needed on some days of the year. Only a tiny % of total vehicles would be needed to be connected to work together mimicking one gas peaker plant. And you can get paid to do it.
Re:West London faces new home ban as electric grid at capaci... by drumhead on Thursday July 28, 2022 @06:18AM (#32262513)
The deadline for petrol cars is unrealistic, we dont have the generating capacity or the infrastructure to deal with that many electric vehicles and I dont know if we ever will. Hydrogen is looking like a better alternative right now.
Re:West London faces new home ban as electric grid at capaci... by sdflhasjd on Thursday July 28, 2022 @06:01AM (#32262419)
It is possible that this kind of capacity planning already has considerations for EVs.