Tesla Energy, in brief.
Batteries for homes and the grid, at a better margin than the cars.
Tesla Energy sells batteries at a higher profit than Tesla's cars. It is already a second growth engine, not a side project.
In 2025, energy kept about 30 cents on the dollar. Cars kept about 18. Compare the same year, not 2025 energy against 2024 cars.
Gross margin is the leftover after the cost of making the product. In FY2025, energy kept about 30 cents on the dollar. Cars kept about 18. Every extra battery Tesla ships can lift the company's blended profit.
Numbers from Tesla's FY2025 10-K and Q2 2026 update.
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Page one is free. The next six go deeper: what it is, how the money works (with sourced data charts), the bull and bear cases, what to watch, and the bottom line.
- 2Home batteries, grid batteries, and software on topWhat it is
- 3Richer leftover than the car businessHow the money works
- 4A large base that is still growingThe bull case
- 5Hardware can get cheap, and cells can run shortThe bear case
- 6A simple scoreboardWhat to watch
- 7From a rounding error to a real segmentThe bottom line
- TeslaThe whole company
- SpaceXLaunch plus Starlink, now public
- NeuralinkThe neural-data thesis
- MACROHARDThe all-software AI play
- Tesla EnergyYou are reading this one
- OptimusThe humanoid-robot option
- RobotaxiAutonomy unit economics
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This is an educational brief, not investment advice and not a recommendation to buy or sell any security. Figures trace to primary filings, official statements, and Grokipedia; privately held valuations are labeled as reported or estimated.
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