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Australia Powerwall 3: partial backup after switch to three-phase (Reddit)

📍 Reddit Powerwall

Unconfirmed: An Australian user on Reddit reports that their Powerwall 3 with an expansion pack was initially installed on single-phase with whole-home backup, and that about six months ago it was moved to a three-phase connection. During their first blackout, only about 3 downlights and the hot water stayed on. The installer attributed the situation to a load balancing issue. The user asks whether it would make more sense to back up the fridge, the internet and the main outlets, and asks whether there is a standard practice for choosing which circuits to include in backup.…

🔎 Why it matters: There is no official confirmation: this is an individual user's experience on Reddit with a Powerwall 3 and expansion on a three-phase connection. According to the account, the fridge and internet were not backed up during the blackout, and the installer attributed it to load bal
📈 Upside: Not applicable.
📉 Risk: According to the user, during a blackout the fridge and internet can lose power if the three-phase configuration does not include them in backup.
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