Energy Storage
Tesla's Record 2025 Energy Storage Deployments Offset First Annual Revenue Decline
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Tesla reported its first annual revenue decline in 2025, down 3% to $94.8 billion amid EV weakness, but its energy storage business hit a record 46.7 GWh deployments, driving 26.6% revenue growth to $12.8 billion with 29.8% margins. The segment's success highlighted a strategic pivot to AI, robotics, and energy, though 2026 faces margin pressures from competition and policy shifts. Shares rose 3% after hours.
Tesla has released a new video showcasing its Megapack factory in Lathrop, California. The company states it is now producing 200 Megapacks per week.
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Tesla is constructing a $250 million battery energy storage system using Megapack units in Reno, Nevada. The facility will include 256 units arranged in 16 clusters. Sawyer Merritt first reported the project on April 3, 2026.
Akaysha Energy has activated its 205 MW/410 MWh Brendale Battery Energy Storage System in Queensland, Australia, nearly five months ahead of schedule. The facility, powered by Tesla Megapack 2 technology, connects to Brisbane's South Pine substation and supports the region's energy needs ahead of the 2032 Summer Olympics. It provides energy arbitrage, frequency control services, and enhanced grid stability through grid-forming capabilities.
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Tesla delivered 418,227 vehicles in the fourth quarter of 2025, marking a 16% year-over-year decline and missing Wall Street estimates. The results highlight ongoing demand challenges and setbacks in the Optimus robot program, though energy storage deployments provided a bright spot. Shares rose 3% following President Trump's endorsement of Elon Musk.
Tesla has launched a new $500 million Megapack battery energy storage system in California. The facility can provide clean energy equivalent to the annual usage of roughly 467,000 homes. It incorporates AI-driven grid management for optimized energy distribution.
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Following the initial announcement of its Colossus 2 supercomputer, xAI has shared a photo of approximately 420 Tesla Megapacks—valued at $400 million—installed at the Memphis facility, marking the world's largest energy storage system.
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