Tesla's energy storage business is growing rapidly.

Tesla's energy storage business saw significant growth in 2025, with total energy storage deployment reaching approximately 46.7 GWh, representing a year-on-year increase of nearly 50%. Energy storage revenue exceeded $12.8 billion, accounting for 13.5% of total revenue and contributing over 20% of profits. In contrast, while Tesla's automotive business still accounts for the majority of revenue, it declined by approximately 10% year-on-year.