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Tesla energy revenue drops 16% as it refunds customers over tariffs

Tesla’s energy business deployed more batteries in Q3 2026 but brought in less money. Energy generation and storage revenue fell 16% year-over-year to $2.88 billion, even though storage deployments rose 10% to 13.7 GWh.

Tesla’s shareholder letter blames the drop “partially” on “tariff-related customer refunds.” It doesn’t say how much it refunded, to which customers, or why it was accounted for as reduced revenue.

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Tesla Powerwalls supply most of record 745 MW California grid dispatch

Sunrun residential solar battery storage

Tesla Powerwalls did most of the heavy lifting as California’s home batteries set a new grid record last week. On October 6, more than 85,000 Powerwall owners sent over 600 MW to the grid, the bulk of a combined 745 MW dispatch that Sunrun announced today.

That’s 28% more than the 580 MW record the two companies set less than a month ago. And it’s bigger than most gas peaker plants in the state.

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Tesla Energy is back to growth, thanks to cheap solar subscriptions and Solarglass

green energy

Tesla beat expectations with its earnings yesterday, and while its record car sales were definitely the driver, Tesla Energy returning to growth didn’t hurt, either.

The company’s solar division is growing again, thanks to cheap solar subscriptions and its new Solarglass roof, and its energy storage business is doing better than ever.
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