Tesla Powerwall does the seem for individual homes (if you have the backup switch installed)
Tesla.com/Powerwall (https://Tesla.com/Powerwall)
nitter.moomoo.me/Tesla\_Megapack/status/1658272973239857152#m (https://nitter.moomoo.me/Tesla_Megapack/status/1658272973239857152#m)
https://nitter.moomoo.me/elonmusk/status/1658284090691338241#m