this post was submitted on 09 Jul 2024
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This is great for short term outages, but they aren't considering multi-day outages. I lost power in NJ for 11 and 13 days on separate occasions in one year. I wouldn't want my vehicle to be drained of energy as an event like those started. But shutting off hot water heaters is a pure win.
The article says the intent was to discharge for only 10 minutes. That’s perhaps long enough for the grid to failover to another source and re-balance.
I would love the idea of using the car battery to power my house temporarily during an outage and would readily donate 10 minutes of battery to the grid.
Yes, discharge and then postpone recharge. The discharge seemed to work great but they all mostly recharged as soon possible.
I mean the choice is nice to have.
In the long run there would be ideally thousands of EVs and home batteries working together, such that no particular battery would be drained but contributes a little to the whole. But individuals could make their own tradeoffs on this, if they prefer making more money over the risk of draining their batteries (as prices are likely to be extremely high during shortages, assuming the individual is exposed to the wholesale market). Ideally, these tradeoffs could easily be controlled by a non-technical user and fully automated, but it's still early days.
This type of analysis and process needs to be carried out before I, an I assume others, will be comfortable participating.