Tesla’s energy storage division—once a quiet, high-margin moneymaker that outpaced the company’s slowing EV sales—has hit an unexpected bump. Bloomberg’s latest report highlights how the battery business, which fueled rapid revenue growth amid softening auto demand, suddenly stalled in early 2026. In Q1 2026, Tesla deployed just 8.8 GWh of energy storage products—down about 15% year-over-year and a sharp drop from the record 14.2 GWh in Q4 2025.…
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