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As the article points out, having a battery back-up even for a grid-tied solar system would allow you to maintain your home's (and Air's?) critical loads for the duration of your solar battery capacity. So I think the real message needs to be to properly understand the ramifications of your solar system's architecture. As long as your can switch your solar system off from the grid your batteries should be able to function during a blackout. It sounds as though the future Lucid V2H bidirectional charging capabilities will function in a similar manner.I have four, but that’s not actually the point. If you don’t have power you can’t talk to the grid to send them power. That connection is severed. If you don’t have battery backup, you also don’t have solar, as excess solar has nowhere to go, so you’re still out of power.
With both batteries and solar, when a blackout occurs, you are effectively “off grid.” As soon as power is restored, you can then contribute back to the grid.
With only solar, if your power goes out, so do your panels.
Good explanation here: https://www.solaria.com/blog/solar-power-outage