🧪 Community source Tesla Energy Energy

User asks if Netzero can cap Powerwall 3 charging

📍 Reddit Powerwall October 13, 2026 at 02:12 AM

Unconfirmed: a Reddit user with a Powerwall 3 (PW3) and an expansion module, able to import up to 10 kW from the grid, asks whether Netzero can dynamically regulate grid feed-in to set an upper limit and curtail PW3 charging. Their installation has a 50 A main fuse at 220 V, and they say they get close to that capacity when other loads such as a water heater, dryer, or oven are running. They describe the case of rain, with the PW3 charging from the grid. The text is a community question and does not describe confirmed Netzero or Tesla features.

Powerwall 3 with expansion, with grid import of up to 10 kW.
Main fuse rated 50 A at 220 V; the user wants an import cap.

🔎 Why it matters: No official confirmation: the query asks whether Netzero would dynamically regulate grid import to cap Powerwall 3 charging with expansion when loads like a water heater or dryer approach the 50 A fuse.

📈 Upside: Not applicable.

📉 Risk: If the feature does not exist or is unconfirmed, the user keeps no control over PW3 charging, and combined draw could approach the 50 A fuse limit.

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User asks if Netzero can cap Powerwall 3 charging

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