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Tesla Revolutionary Energy Storage Integrated System
Tesla announced its new integrated 20MWh battery energy storage system (BESS) solution, the Tesla Megablock, on 8 September in Las Vegas, US. At an event in Las Vegas on the margins of the RE+ renewable energy convention, Tesla. . When Tesla unveiled its next-generation energy storage systems—Megapack 3 and the new Megablock—on September 15, 2025, it marked a pivotal moment in the evolution of utility-scale battery energy storage.
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