Tesla launched Heat Pump Optimization for Powerwall 3 in Europe on October 30.
The Powerwall tells a compatible heat pump when to run harder, so extra heat gets stored.
Spare heat lands in your hot water tank or a buffer tank, ready for later.
The battery sends normal or boost. Boost means heat more than the house needs right now.
Boost only when there is spare solar after the home's other loads are covered.
Boost on spare solar or when grid power hits its cheapest price of the day.
A 300-litre tank heated 30 degrees holds about ten and a half kWh of heat.
A heat pump uses about three and a half kWh of power to bank that heat.
It talks to the pump over a physical wire using the SG-Ready standard from 2012.
Powerwall 3 or 3P, a certified SG-Ready heat pump, and a Tesla-certified installer.
No US or Canada release date. The SG-Ready wiring barely exists in North America.
How it works, what it costs, and what happens next, in plain words.
Get the full breakdown, key numbers, and what happens next.
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