Tesla announces Powerwall 3P with native three-phase inverter

5 hours ago

Tesla announced the Powerwall 3P, a new home battery variant with a built-in three-phase inverter, simplifying installations for European homes.
Previously, European homeowners needed up to three separate Powerwalls for whole-home backup on three-phase grids, increasing cost and complexity.
The Powerwall 3P consolidates three-phase support into a single unit, balancing loads across all phases simultaneously.
Tesla has not released detailed specs or pricing for the 3P, but the standard Powerwall 3 offers 13.5 kWh capacity and 11.5 kW continuous output.
The Powerwall 3P optimizes energy use by analyzing consumption, solar production, weather forecasts, and dynamic electricity tariffs.
Tesla's energy division is growing, with record energy storage deployments (46.7 GWh in 2025) and strong revenue ($12.8 billion).
Energy storage now accounts for 13% of Tesla's revenue and 23% of its gross profit, outperforming its declining vehicle sales.
Tesla faces competition in Europe from Enphase, BYD, and Sonnen, which already offer three-phase solutions.
The Powerwall 3P's key advantage is simplification—one unit for three-phase support—potentially undercutting rivals on installed cost.
Tesla's brand issues and recent recalls (10,000+ Powerwalls) may impact adoption, but the 3P addresses a long-standing market need.

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