The Megapack, which is an advanced battery system designed for large-scale energy projects, can store more than 3,900 kilowatt-hours of electricity in a single unit. This capacity can sustain a 39,000-kilometer drive for a Tesla Model 3 rear-wheel drive version. Carbon dioxide. . Tesla's energy storage plant in Shanghai's Lin-gang Special Area commenced operation on Feb 11, as the assembly line started the production of the first Megapack unit. [4] Construction of the plant began in January 2019, initial production started in October, and the first production vehicles rolled. .
