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UK Proposes Law To Switch Off EV Home Chargers During Peak Hours:
The United Kingdom plans to pass legislation that will see EV home and workplace chargers being switched off at peak times to avoid blackouts.
Announced by Transport Secretary Grant Shapps, the proposed law stipulates that electric car chargers installed at home or at the workplace may not function for up to nine hours a day to avoid overloading the national electricity grid.
As of May 30, 2022, new home and workplace chargers being installed must be "smart" chargers connected to the internet and able to employ pre-sets limiting their ability to function from 8 am to 11 am and 4 pm to 10 pm. However, users of home chargers will be able to override the pre-sets should they need to, although it's not clear how often they will be able to do that.
[...] In addition to the nine hours a day of downtime, authorities will be able to impose a "randomized delay" of 30 minutes on individual chargers in certain areas to prevent grid spikes at other times.
(Score: 2) by Nuke on Thursday October 14 2021, @12:50PM (3 children)
The same problem will remain.
(Score: 2) by JoeMerchant on Thursday October 14 2021, @01:15PM (2 children)
Not if independent owners of generation and storage capacity are allowed to determine what to do with that capacity: use or share.
🌻🌻 [google.com]
(Score: 3, Insightful) by Nuke on Thursday October 14 2021, @04:28PM (1 child)
The problem is not with bureaucrats dreaming up arbitrary rules, it is with physical capacity. Generate how you like, centrally or locally, but if everyone wants to charge their cars at the same time (and they will) you will need a larger capacity than if the loading is spread out timewise.
(Score: 2) by JoeMerchant on Thursday October 14 2021, @05:20PM
I suspect that self-owned or even locally owned generation and storage capacity would tend to grow to meet time-spike needs faster than a national grid that "feels" that it should be able to spread the load by passing regulations. Also, if excess capacity in local generation can be sold into a wide area grid with storage, that could be a very good model for how to use a large grid in the future.
Florida and Houston Texas must have high baseline loads or something, because I have never experienced "demand pricing" for electricity in my life in either place. I do think if generation decentralized, the remaining central grid would get more extreme with demand pricing due to the fact that it would be used less, and probably "spikier", so the demand pricing should reflect that. Good? Bad? matter of opinion.
🌻🌻 [google.com]