Tesla’s Shanghai Megafactory has produced its 1,000th Megapack energy storage system in under six months of production. The unit, the largest commercial battery system in Tesla’s portfolio, will be shipped to Europe, the company said in a Weibo announcement. Construction on the factory in Pudong’s Lingang area began on May 23, 2024, marking Tesla’s first energy storage project outside the U.S. Series production launched on February 11, 2025, adjacent to Tesla’s existing Model 3 and Model Y assembly lines.
Tesla noted that its energy storage products—including the Megapack, Powerwall and Powerpack—are now deployed across more than 65 countries and regions. The Shanghai facility focuses on the Megapack, an ultra-large battery system housed in a container-like enclosure weighing over 38 tons. Each unit can store roughly 3,900 kilowatt-hours—equivalent to the capacity of approximately 62 Model 3 rear-wheel-drive batteries—and contribute to grid stabilization and peak-shaving applications.
On March 21, Tesla reported the first overseas shipments of locally produced Megapacks, paving the way for continued growth in global markets. At full capacity, the Shanghai Megafactory is projected to produce up to 10,000 Megapacks annually, delivering nearly 40 gigawatt-hours of energy storage. That output could power around 50,000 Shanghai households for one year.
Tesla’s expanding footprint in energy storage underscores its strategy to integrate renewable energy projects and enhance grid resilience worldwide. By scaling Megapack production in China, the company aims to meet increasing demand for large-scale battery installations. The factory’s accelerated timeline—from groundbreaking to 1,000 units in under six months—reflects Tesla’s efforts to streamline manufacturing processes and support the transition to sustainable energy infrastructure.
Source: CNEV Post
