this post was submitted on 07 Aug 2023
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@matthewtoad43 @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis
You got there too quick for me to add this
Here in Europe (yes the UK is still in Europe, brexiteers can't change geography)
Here in Europe we can help each other out and sice we have such varied #energy systems, Norway with it's #hydro France #nuclear the UK can easily pick up a few % or lend a few % when needed.
@MattMastodon @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis Yup, lots of interconnectors being built/planned in theory, but they seem to take ages. We need more in any case.
@MattMastodon @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis Maybe. It depends where the cars are plugged in at the time. The charging infrastructure to use them all at once would be pretty serious/expensive, especially if it has to support fast charging in e.g. a (potentially systemic) personal emergency as well as efficient slow charging with V2G.
And the transition to EVs is going to stall pretty soon, because a large proportion of people people do not have driveways or garages, and public chargers are expensive and slow.
Also, I'm hoping the peak number of EVs will be somewhat less than the current total number of cars - we get to sustainability faster with fewer cars.
V2G is interesting though, I agree we should make use of that resource.
@MattMastodon @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis IMHO reusing ex-EV batteries as grid storage may be more important in the medium term though.
@MattMastodon @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis Also, smart tariffs for EV charging (dependent on when there is most renewable energy) already exist, at least two companies doing them. That's not V2G though.
@MattMastodon @BrianSmith950 @Ardubal @Pampa @AlexisFR @Wirrvogel @Sodis What would the cost be of fast bidirectional charging points for all those cars though? Both at office and at home? Do you need them to be fast charging, or is V2G at 7.5kW realistic/useful?
You'd be lucky to get 30%. IMHO the resource is somewhat limited depending on how much you put into charging infrastructure.